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Penyerang bisa saja mengirim malware dalam bentuk file terkompresi ke pengguna melalui obrolan rapat Zoom, dan klien Zoom pengguna akan menyimpan dan membuka malware di dalam direktori aplikasi Zoom. Lebih buruk lagi, jika pengguna menyimpan file terkompresi Zoom di tempat lain di PC, seperti di desktop, maka penyerang dapat mengirim versi file pertama yang diubah dengan nama yang sama. Enkripsi ujung-ke-ujung Zoom yang akan datang terutama untuk pengguna berbayar, seperti yang dikatakan Zoom sendiri pada 7 Mei.

Semua administrator Ruang Zoom perlu perbarui perangkat lunak mereka dengan 30 Mei, Zoom mengatakan dalam posting blog 26 Mei. Pembaruan ke Zoom 5.

Informasi selengkapnya tentang memperbarui Ruang Zoom adalah di sini. Pembaruan 5. Dua kali lagi penginstal Zoom yang rusak ditemukan oleh para peneliti Trend Micro. Yang pertama membuka pintu belakang pada PC; mata-mata kedua pada pemilik PC dengan screenshot, keylogging dan pembajakan webcam dan draft PC ke botnet Devil Shadow.

Kedua penginstal menginstal klien perangkat lunak Zoom, jadi korban mungkin tidak lebih bijaksana. Seperti biasa, dapatkan perangkat lunak Zoom langsung dari situs web Zoom di Zoom. Zoom mengalami pemadaman yang tidak dapat dijelaskan Minggu, 17 Mei, merendernya tidak tersedia untuk ribuan pengguna di AS dan Inggris Pemadaman, yang dimulai Minggu pagi waktu Inggris, berlangsung beberapa jam dan mempengaruhi layanan gereja online di kedua negara.

Bahkan briefing harian virus corona terpengaruh, melumpuhkan kemampuan jurnalis untuk mengajukan pertanyaan melalui Zoom. Beberapa pengguna melaporkan di Twitter bahwa logout dari akun Zoom, lalu login kembali, tampaknya untuk memecahkan masalah. Laman status Zoom mencatat bahwa pembaruan backend telah dilakukan Minggu pagi sebelumnya, tetapi tampaknya tidak ada hubungan apa pun antara pembaruan itu dan pemadaman yang dimulai beberapa jam kemudian.

Penjahat dunia maya mungkin telah mendaftarkan ratusan alamat situs web baru terkait Zoom dalam beberapa waktu terakhir minggu, menurut peneliti di perusahaan keamanan Israel Titik Periksa.

Banyak dari situs ini digunakan dalam serangan phishing untuk mengambil nama pengguna dan sandi Zoom korban, dan penipuan serupa memanfaatkan platform konferensi video saingan seperti Google Meet dan Microsoft Teams. Tidak segera jelas apakah ini hasil dari pengeboman Zoom biasa atau jika penyerang menggunakan metode yang kurang terkenal untuk mengganggu umpan video.

Dengan kata lain, setiap pengguna, pemilik atau administrator akun Zoom gratis, dan pengguna akhir akun berbayar, tidak akan berhak atas bantuan manusia. Sebaliknya, mereka harus mengandalkan FAQ dan daftar petunjuk di Zoom sumber online halaman. Untuk saat ini, ketentuan ini hanya berlaku untuk Mei dan Juni Jika penguncian coronavirus berlangsung lebih lama dari itu, Zoom mungkin harus mempekerjakan lebih banyak staf dukungan teknis.

Tidak banyak hal baru dalam perjanjian tersebut. Sebagian besar ketentuan yang disetujui Zoom adalah hal-hal yang sudah dilakukan perusahaan, termasuk mewajibkan kata sandi dan menggunakan enkripsi yang lebih baik. Dalam jangka panjang, Zoom harus melakukan tinjauan kode reguler dan melakukan latihan pengujian penetrasi tahunan, di mana peretas berbayar mencoba menerobos pertahanan perusahaan.

Hanya dua hal baru yang secara langsung akan mempengaruhi konsumen. Terus terang, ini adalah kebijakan standar lama di banyak perusahaan online lainnya, jadi kami sedikit terkejut bahwa kebijakan tersebut belum menjadi kebijakan Zoom. Yuan mengumumkan. Harga pembelian atau ketentuan lain dari kesepakatan tidak diungkapkan.

Keybase membuat perangkat lunak yang mudah digunakan untuk mengenkripsi pesan dan postingan media sosial dengan mudah dan aman. Setelah teknologi Keybase digabungkan, hal itu tidak akan selalu terjadi. Kata sandi rapat dan ruang tunggu akan diperlukan secara default untuk semua rapat Zoom, gratis atau dibayar, mulai 9 Mei, Zoom diumumkan. Hanya tuan rumah yang dapat membagikan layar mereka secara default, tetapi seperti pengaturan lainnya, itu dapat diubah.

Such a person disrupted a Zoom meeting on sexual violence in the Bay Area last week. He said he had lived in the U. Mark Di Stefano announced his resignation on Twitter after The Independent documented how Di Stefano had last week joined an Independent staff meeting regarding pay cuts and furloughs, first under his own name, then anonymously. That meeting was followed by a Financial Times piece about Evening Standard furloughs and pay cuts.

Consumer Reports said you should know that everything in a video meeting may be recorded, either by the host or another participant. After prodding from reporters at The Verge , Zoom admitted that it did not in fact have a recent peak of million daily users, as stated in a blog post last week.

Researchers at Trend Micro spotted another Zoom installer file that had been corrupted with malware. It also installs a fully working version of the Zoom desktop client.

Zoom is a prime target for foreign spies, especially Chinese intelligence operatives, the Department of Homeland Security has warned U. Foreign spies would be interested in any internet-based communications medium that saw such a steep increase in growth. But the DHS report singled out China as a likely meddler in Zoom security because Zoom has a substantial number of staffers in that country.

However, Zoom in the past week has given paid meeting hosts the option of avoiding Zoom servers in specific regions, including China and North America. Unpaid Zoom hosts will by default use only servers in their home regions. FaceTime got only 4.

A new Zoom phishing scam is sure to get the attention of anyone working from home during the coronavirus lockdown. If you enter your credentials, then the crooks can take over your Zoom account. Zoom has finally updated its meeting-client software to version 5. The update is not yet available for iOS, as Apple has to vet the software before the new version of the app can be pushed out. No other company may have benefited more from the stay-at-home orders during the coronavirus crisis.

To put that in perspective, daily usage peaked at million people per day in March, the company said on April 1. In December , Zoom usage peaked at 10 million daily users. In a blog post April 20, Zoom said the option of excluding certain countries from call routing was now live. This will let Zoom meeting administrators avoid having meeting data routed through Zoom servers in China, the U. New updates to the Zoom platform for the web interface rolled out April 19 include masking some participant personal information, such as email addresses or phone numbers, during meetings.

Another change is that users who share the same email domain will no longer be able to search for each other by name. The New York Times reported that Dropbox executives were so concerned about security flaws in Zoom that in Dropbox created its own secret bug-bounty program for Zoom flaws. In other words, Dropbox would pay hackers for security vulnerabilities they found in Zoom.

Dropbox staffers used Zoom regularly, and Dropbox was an investor in Zoom. The Times reported that Dropbox would confirm the flaws, then pass them along to Zoom so that Zoom could fix them.

Phil Guimond noticed that online recordings of Zoom meetings have a predictable URL structure and are thus easy to find. The Washington Post reported last week on a similar issue with Zoom recordings that had been uploaded by users to third-party cloud servers.

In those cases, the file names of meeting recordings followed a predictable pattern. Until Zoom pushed out a series of updates this past Tuesday, Zoom meeting recordings were not required to be password-protected.

Guimond built a simple tool that automatically searches for Zoom meeting recordings and tries to open them. If a meeting has a password, his tool tries to brute-force access by running through millions of possible passwords. If a meeting recording is viewable, so is the Zoom meeting ID, and the attacker might be able to access future recurring meetings.

But, Guimond said, the URL pattern is still the same, and attackers could still try to open each generated result manually. Moussouris set up the first bug-bounty programs at Microsoft and the Pentagon. In her own blog post , she announced that Zoom was bringing in other well-regarded information-security firms and researchers to improve its security. The head of Standard Chartered, a London-based multinational bank, has warned employees to nut use Zoom or Google Hangouts for remote meetings, citing security concerns, according to Reuters.

Standard Chartered primarily uses the rival Blue Jeans video-conferencing platform, according to two bank staffers who spoke anonymously. Prior to that, the elongation factor 1-alpha EF1, actin 1 Act and ribosomal protein S7 S7 genes were validated for their suitability as a set of reference genes.

Reviewer Volume 27, Tahun Abdul Rozaq, Dr. Bambang Purwantana, Ir. Chusnul Hidayat, Ir. Haryadi, Ir. Lilik Sutiarso, Ir. Pudji Hastuti, Ir Side scanner for supermarkets: a new scanner design standard.

The influence of the ergonomics community on the design of the scanner is evident. During the past decade the ergonomic issues of cashier in check-outs has led to occupational hand-wrist cumulative trauma disorders, in most cases causing carpal tunnel syndrome, a permanent hand injury. In this paper, the design of a side scanner to resolve the issues is discussed.

The complex optical module and the sensor for aforesaid side scanner is described. The ergonomic advantages offer the old counter mounted vertical scanner has been experimentally proved by the industrial funded study at an independent university. The Tokamak Exhaust Processing TEP system within the Tritium Plant of ITER needs to be designed such that tritium is recovered from all exhaust gases produced during different modes and operational conditions of the vacuum vessel.

This combination shifts chemical equilibria towards dehydrogenation and, therefore, enables detritiation factors higher than in the IP stage. Such a high decontamination factor requires the optimal performance of the permeator, which on the other hand is operated under conditions which provoke coking of the permeator membrane by hydrocarbon cracking. Marine aggregates and transparent exopolymeric particles TEPs as substrates for the stramenopilan fungi, the thraustochytrids: Roller table experimental approach.

In order to understand the kind of organic substrates utilized by thraustochytrids in the coastal water column, their growth in the presence of Transparent Exopolymeric Substances TEPS and aggregates generated in roller table experiments Comparison of target volumes in radiotherapy defined on scanner and on PET-T.

Henriques De Figueiredo, B. In conclusions, the gross tumor volume G. In addition, areas of discordance exist between the clinical target volumes C. These discordances, synonyms of under or over estimation of target volumes, could have important clinical consequences in term of local control and toxicity. Although the cellular functions of vaults remain unclear, vaults are strongly linked to the development of multidrug resistance MDR , the major obstacle to the efficient treatment of cancers.

Available published data suggest that vaults and their components are frequently upregulated in broad variety of multidrug-resistant cancer cell lines and tumors of different histological origin.

Here, we provide detailed analysis of vault protein expression in post-surgery ovarian cancer samples from patients that were not exposed to chemotherapy.

Our analysis suggests that vault proteins are expressed in the ovaries of healthy individuals but their expression in cancer patients is changed. Complete-arch accuracy of intraoral scanners. Intraoral scanners have shown varied results in complete-arch applications. The purpose of this in vitro study was to evaluate the complete-arch accuracy of 4 intraoral scanners based on trueness and precision measurements compared with a known reference trueness and with each other precision.

A complete-arch reference cast was created and printed using a 3-dimensional dental cast printer with photopolymer resin. The reference cast was digitized using a laboratory-based white light 3-dimensional scanner. The printed reference cast was scanned 10 times with each intraoral scanner.

The digital standard tessellation language STL files from each scanner were then registered to the reference file and compared with differences in trueness and precision using a 3-dimensional modeling software. Additionally, scanning time was recorded for each scan performed. The fourth scanner , Omnicam, had intermediate trueness and precision. All of the scanners tended to underestimate the size of the reference file, with exception of the Carestream CS , which was more variable.

Significant differences in both trueness and precision were found among the scanners. Scan times of the continuous capture scanners were faster than the single capture scanners.

Inguinal hernia repair is now one of the most commonly performed general surgical procedures in practice. TEP is accepted as the most ideal method because it can avoid entry into the peritoneal cavity, which can cause intraperitoneal compli A computer program is described for drawing crystal structure illustrations using a mechanical plotter.

Ball-and-stick type illustrations of a quality suitable for publication are produced with either spheres or thermal-motion probability ellipsoids on the atomic sites. The program can produce stereoscopic pairs of illustrations which aid in the visualization of complex packing arrangements of atoms and thermal motion patterns. Interatomic distances, bond angles, and principal axes of thermal motion are also calculated to aid the structural study.

The most recent version of the program, OR TEP -II, has a hidden-line-elimination feature to omit those portions of atoms or bonds behind other atoms or bonds. Neurosurgical operating computerized tomographic scanner system.

The CT scanner in the operating theater. A neurosurgical operating computerized tomography scanner system is presented. This system has been developed for obtaining intra- and postoperative CT images in the operating room. The realization of a true intraoperative CT image requires certain improvements in the CT scanner and operating table.

To adjust the axis of the co-ordinates of the motor system of the MST microsurgical operating table manufactured by the Mizuho Ika Co. Furthermore, a new head-fixation system has been designed for producing artifact-free intraoperative CT images.

The head-pins of the head-fixation system are made of carbon-fiber bars and titanium tips. A simulation study of the total system in the operating room with the CT scanner , operating table, and head holder using a skull model yielded a degree of error similar to that in the phantom testing of the original scanner. Three patients underwent resection of a glial tumor using this system. Intraoperative CT scans taken after dural opening showed a bulging of the cortex, a shift in the central structure, and a displacement of the cortical subarachnoid spaces under the influence of gravity.

With a contrast medium the edge of the surrounding brain after resection was enhanced and the residual tumor mass was demonstrated clearly. This system makes it possible to obtain a noninvasive intraoperative image in a situation where structural shifts are taking place.

Long-Range Wind Scanner System. The technical aspects of a multi-Doppler LiDAR instrument, the long-range Wind Scanner system, are presented accompanied by an overview of the results from several field campaigns. The long-range Wind Scanner system was developed to tackle the need for high-quality observations of wind fields on scales of modern wind turbine The cobalt container scanner. Jigang, A. The Institute of Nuclear Energy Technology INET has successfully designed and constructed a container cargo scanner , which uses cobalt of Ci as radiation source.

These performances are equal or similar to those of the accelerator scanners. Besides these nice enough inspection properties, the Cobalt scanner possesses many other special features which are better than accelerator scanners : a cheap price - it will be only or two tenths of the accelerator scanner 's; b low radiation intensity - the radiation protection problem is much easier to solve and a lot of money can be saved on the radiation shielding building; c much smaller area for installation and operation; d simple operation and convenient maintenance; e high reliability and stability.

The Cobalt container or cargo scanner is satisfied for boundary customs, seaports, airports and railway stations etc. Because of the nice special features said above, it is more suitable to be applied widely. Its high properties and low price will make it have much better application prospects. Scanner calibration revisited.

Full Text Available Abstract Background Calibration of a microarray scanner is critical for accurate interpretation of microarray results. Shi et al. BMC Bioinformatics, , 6, Art. S11 Suppl. Inspired by the Shi et al.

We were puzzled however, that most of the signal intensities from a biological sample fell below the sensitivity threshold level determined by the calibration slide.

This conundrum led us to re-investigate the quality of calibration provided by the Full Moon BioSystems slide as well as the accuracy of the analysis performed by Shi et al. Methods Signal intensities were recorded on three different microarray scanners at various photomultiplier gain levels using the same calibration slide from Full Moon BioSystems.

Data analysis was conducted on raw signal intensities without normalization or transformation of any kind. Weighted least-squares method was used to fit the data. Results We found that initial analysis performed by Shi et al. Our analysis revealed that a power-law function, which is explicitly accounting for the slide autofluorescence, perfectly described a relationship between signal intensities and fluorophore quantities.

Conclusions Microarray scanners respond in a much less distorted fashion than was reported by Shi et al. Full Moon BioSystems calibration slides are inadequate for performing calibration.

We recommend against using these slides. Twisting wire scanner. A new type of 'two-in-one' wire scanner is proposed. Recent advances in linear motors' technology make it possible to combine translational and rotational movements. This will allow to scan the beam in two perpendicular directions using a single driving motor and a special fork attached to it. Vertical or horizontal mounting will help to escape problems associated with the 45 deg scanners.

Test results of the translational part with linear motors is presented. Dierick, Manuel, E-mail: Manuel. Dierick UGent. VanAcker UGent.

Cnudde UGent. VanHoorebeke UGent. This paper describes two X-ray micro-CT scanners which were recently developed to extend the experimental possibilities of microtomography research at the Centre for X-ray Tomography www. This is a sample size range of 3 orders of magnitude, making this scanner well suited for imaging multi-scale materials such as wood, stone, etc. Besides the traditional cone-beam acquisition, Nanowood supports helical acquisition, and it can generate images with significant phase-contrast contributions.

The second scanner , known as the Environmental micro-CT scanner EMCT , is a gantry based micro-CT scanner with variable magnification for scanning objects which are not easy to rotate in a standard micro-CT scanner , for example because they are physically connected to external experimental hardware such as sensor wiring, tubing or others. Both scanners will be extensively described and characterized, and their potential will be demonstrated with some key application results.

The first scanner , called Nanowood, is a wide-range CT scanner with two X-ray sources kV max and two detectors, resolving features down to 0. Wire Scanner Motion Control Card. Scientists require a certain beam quality produced by the accelerator rings at CERN. The discovery potential of LHC is given by the reachable luminosity at its interaction points. The luminosity is maximized by minimizing the beam size.

Therefore an accurate beam size measurement is required for optimizing the luminosity. The wire scanner performs very accurate profile measurements, but as it can not be used at full intensity in the LHC ring, it is used for calibrating other profile monitors. As the current wire scanner system, which is used in the present CERN accelerators, has not been made for the required specification of the LHC, a new design of a wire scanner motion control card is part of the LHC wire scanner project.

The main functions of this card are to control the wire scanner motion and to acquire the position of the wire. In case of further upgrades at a later stage, it is required to allow an easy update of the firmware, hence the programmable features of FPGAs will be used for this purpose. Monte Carlo dose calibration in CT scanner. Computed Tomography CT scanner is a high radiation imaging modality compared to radiography. The dose from a CT examination can vary greatly depending on the particular CT scanner used, the area of the body examined, and the operating parameters of the scan.

CT is a major contributor to collective effective dose in diagnostic radiology. Apart from the clinical benefits, the widespread use of multislice scanner is increasing radiation level to patient in comparison with conventional CT scanner. So, it becomes necessary to increase awareness about the CT scanner.

NMR-CT scanner. Typical NMR-CT images of volunteers and patients obtained in the clinical experiments using this device are presented. Detailed specifications are also shown about the practical NMR-CTs which are to be put on the market after obtaining the government approval. Pan African Medical Journal. Turner, Adam C.

Purpose: Monte Carlo radiation transport techniques have made it possible to accurately estimate the radiation dose to radiosensitive organs in patient models from scans performed with modern multidetector row computed tomography MDCT scanners. However, there is considerable variation in organ doses across scanners , even when similar acquisition conditions are used. The purpose of this study was to investigate the feasibility of a technique to estimate organ doses that would be scanner independent.

This was accomplished by assessing the ability of CTDI vol measurements to account for differences in MDCT scanners that lead to organ dose differences. An adult female patient model from the GSF family of voxelized phantoms was used in which all ICRP Publication radiosensitive organs were identified. A kVp, full-body helical scan with a pitch of 1 was simulated for each scanner using similar scan protocols across scanners.

In addition, CTDI vol values were obtained from each scanner for the selected scan parameters. Then, to demonstrate the feasibility of generating organ dose estimates from scanner -independent coefficients, the simulated organ dose values resulting from each scanner were normalized by the CTDI vol value for those acquisition conditions.

Results: CTDI vol values across scanners showed considerable variation as the coefficient of variation CoV across scanners was The simulated patient scans also demonstrated considerable differences in organ dose values, which varied by up to a factor of approximately 2 between some of the scanners. The CoV across scanners for the simulated organ doses ranged from However, when organ doses. In this paper, three types of experiments and their results are shown, according to the arrangement of two LIDAR scanners.

We will show the probability that any LIDAR scanner will interfere mutually by considering spatial and temporal overlaps. It will present some typical mutual interference scenario and report an analysis of the interference mechanism. Computer Tomography Scanners in Portugal Technological developments have made CT one of the most important imaging modalities in modern medicine.

This importance is evidenced in the increasing demand and number of CT scanners installed in Portugal and worldwide. This review compiles the most recent national statistics from official publications on the number of CT scanners installed in Portugal and compares them with data available in international publications. Product development of Indian cargo scanner. A cargo scanner is required for nonintrusive screening of suspected cargo containers in trade, using high energy X-ray, to detect any mis-declarations, contraband goods concealment or hidden ammunition or explosives.

The cargo scanners help authorities to process large number of suspected cargo with a high level of confidence with other additional benefit of faster clearance, minimised intrusive inspection and generating secured digital record of the process. Proof of concept and conformance of the results to the international standards has been demonstrated in laboratory. Full scale equipment named as Portal scanner shall be demonstrated at Gamma field Trombay in year Subsequently the technology transfer may be done to a suitable Indian vendor.

Body scanners : are they dangerous for health? As there is a debate about the risk of cancer and of congenital malformation associated with the use of body scanners , notably in airports, this document recalls and comments the IAEA statement on this issue. According to a study performed by this international agency, the irradiation dose is very low.

But the French IRSN is more prudent and recommends not to use X ray scanner , but to look for technologies which do not use ionizing radiation. Compensation strategies for PET scanners with unconventional scanner geometry. In this contribution we present a method that takes the geometrical sensitivity into account and converts the measured sinograms into homogeneous and complete data.

Besides an advantageous measurement setup that reduces inhomogeneities and data gaps in the sinograms, a modification of the measured sinograms is necessary. This modification includes two steps: a geometrical normalization and corrections for missing data.

To normalize the measured sinograms, computed sinograms are used that describe the geometric Experience with a fuel rod enrichment scanner. Forster, H. Menlove, and their associates at Los Alamos. The spatial resolution of the system and smoothing of the data are discussed in detail. The cost-effectiveness of multi-detector versus single detector scanners of this general design is also discussed.

Fysisk Inst. A fast ADC scanner for multi-parameter nuclear physics experiments is described. The scanner is based on a standard CAMAC crate, and data from several different experiments can be handled simultaneously through a direct memory access DMA channel. The implementation on a PDP-7 computer is outlined. Scintillation scanner. A scintillation scanner having a visual image producing means coupled through a lost motion connection to the boom which supports the scintillation detector is described.

The lost motion connection is adjustable to compensate for such delays as may occur between sensing and recording scintillations. Radiographic scanners and shutter mechanisms in CT scanners. This patent claim relates especially to the design of a shutter mechanism in a CT scanner having a rotatable source of radiation and a series of stationary radiation detectors coplanar with the path of the source and spaced about the axis of rotation of the source, and only partially encircling the path of the source.

The objective of this project is to design, fabricate and demonstrate a cost effective, multi-spectral scanner for natural gas leak detection in transmission and distribution pipelines. During the first year of the project, a laboratory version of the multi-spectral scanner was designed, fabricated, and tested at EnUrga Inc. The performance of the scanner was inconsistent during the blind study.

However, most of the leaks were outside the view of the multi-spectral scanner that was developed during the first year of the project.

Therefore, a definite evaluation of the capability of the scanner was not obtained. Despite the results, sufficient number of plumes was detected fully confirming the feasibility of the multi-spectral scanner. During the second year, the optical design of the scanner was changed to improve the sensitivity of the system.

Laboratory tests show that the system can reliably detect small leaks 20 SCFH at 30 to 50 feet. A prototype scanner was built and evaluated during the second year of the project. Only laboratory evaluations were completed during the second year.

The laboratory evaluations show the feasibility of using the scanner to determine natural gas pipeline leaks. Further field evaluations and optimization of the scanner are required before commercialization of the scanner can be initiated. Depth-of-interaction DOI information, which improves resolution uniformity in the field of view FOV , is expected to lead to high-sensitivity PET scanners with small-bore detector rings. We are developing small-bore PET scanners with DOI detectors arranged in hexagonal or overlapped tetragonal patterns for small animal imaging or mammography.

It is necessary to optimize the imaging system model because these scanners exhibit irregular detector sampling. In this work, we compared two imaging system models: a a parallel sub-LOR model in which the detector response functions DRFs are assumed to be uniform along the line of responses LORs and b a sub-crystal model in which each crystal is divided into a set of smaller volumes.

These two models were applied to the overlapped tetragonal scanner FOV These results indicate that system model b should be applied to the overlapped tetragonal scanner and system model a should be applied to the hexagonal scanner. As nm lithography continues to be stretched and the k1 factor decreases, optical proximity correction OPC has become a vital part of the lithographer's tool kit.

Unfortunately, as is now well known, the design variations of lithographic scanners from different vendors cause them to have slightly different optical-proximity effect OPE behavior, meaning that they print features through pitch in distinct ways.

This in turn means that their response to OPC is not the same, and that an OPC solution designed for a scanner from Company 1 may or may not work properly on a scanner from Company 2. Since OPC is not inexpensive, that causes trouble for chipmakers using more than one brand of scanner. Clearly a scanner -matching procedure is needed to meet this challenge. Previously, automatic matching has only been reported for scanners of different tool generations from the same manufacturer.

In contrast, scanners from different companies have been matched using expert tuning and adjustment techniques, frequently requiring laborious test exposures. Automatic matching between scanners from Company 1 and Company 2 has remained an unsettled problem. We have recently solved this problem and introduce a novel method to perform the automatic matching.

The success in meeting this challenge required three enabling factors. First, we recognized the strongest drivers of OPE mismatch and are thereby able to reduce the information needed about a tool from another supplier to that information readily available from all modern scanners. Second, we developed a means of reliably identifying the scanners ' optical signatures, minimizing dependence on process parameters that can cloud the issue.

Third, we carefully employed standard statistical techniques, checking for robustness of the algorithms used and maximizing efficiency. The result is an automatic software system that can predict an OPC matching solution for scanners from different suppliers without requiring expert intervention. MEMS temperature scanner : principles, advances, and applications.

Contactless measurement of temperatures has gained enormous significance in many application fields, ranging from climate protection over quality control to object recognition in public places or military objects. Thereby measurement of linear or spatially temperature distribution is often necessary.

For this purposes mostly thermographic cameras or motor driven temperature scanners are used today. Both are relatively expensive and the motor drive devices are limited regarding to the scanning rate additionally.

An economic alternative are temperature scanner devices based on micro mirrors. The micro mirror, attached in a simple optical setup, reflects the emitted radiation from the observed heat onto an adapted detector. A line scan of the target object is obtained by periodic deflection of the micro scanner. Planar temperature distribution will be achieved by perpendicularly moving the target object or the scanner device.

Using Planck radiation law the temperature of the object is calculated. The device can be adapted to different temperature ranges and resolution by using different detectors - cooled or uncooled - and parameterized scanner parameters. The achieved miniaturization of such scanners permits the employment in complex plants with high building density or in direct proximity to the measuring point.

The price advantage enables a lot of applications, especially new application in the low-price market segment This paper shows principle, setup and application of a temperature measurement system based on micro scanners working in the near infrared range.

Packaging issues and measurement results will be discussed as well. Nogle muligheder i scanner data. The number and distribution of computerised tomography scanners in Turkey. The goal of this study was to investigate the number and distribution of CT scanners in Turkey. Our results show CT scanners in Turkey in , which equals 2. The other 31 cities in Turkey have no scanners.

Of the scanners , Of Turkey's CT scanners , An overview of whole body scanners in H. Daanen, G. Van De Water. Whole body scanners , Displays 19 shortly after they emerged to the market revealed that the systems were bulky, slow, expensive and low in resolution.

This update shows that new developments in sensing and. Methods for CT automatic exposure control protocol translation between scanner platforms. An imaging facility with a diverse fleet of CT scanners faces considerable challenges when propagating CT protocols with consistent image quality and patient dose across scanner makes and models.

Although some protocol parameters can comfortably remain constant among scanners eg, tube voltage, gantry rotation time , the automatic exposure control AEC parameter, which selects the overall mA level during tube current modulation, is difficult to match among scanners , especially from different CT manufacturers. Objective methods for converting tube current modulation protocols among CT scanners were developed.

Translation of the AEC parameters such as noise index and quality reference mAs across CT scanners was specifically investigated. A variable-diameter poly methyl methacrylate phantom was imaged on the 3 scanners using a range of AEC parameters for each scanner. The phantom consisted of 5 cylindrical sections with diameters of 13, 16, 20, 25, and 32 cm. The protocol translation scheme was based on matching either the volumetric CT dose index or image noise in Hounsfield units between two different CT scanners.

A series of analytic fit functions, corresponding to different patient sizes phantom diameters , were developed from the measured CT data. Protocol translation on the basis of. Wire scanner software and firmware issues. The Los Alamos Neutron Science Center facility presently has slow wire scanning profile measurement instruments located along its various beam lines.

These wire scanners were developed and have been operating for at least 30 years. While the wire scanners solved many problems to operate and have served the facility well they have increasingly suffered from several problems or limitations, such as maintenance and reliability problems, antiquated components, slow data acquisition, and etc.

In order to refurbish these devices, these wire scanners will be replaced with newer versions. The replacement will consist of a completely new beam line actuator, new cables, new electronics and brand new software and firmware.

While this note will endeavor to describe all of the requirements and issues for the wire scanners , undoubtedly, there will be missing details that will be added as time progresses. Comparison of Epson scanner quality for radiochromic film evaluation. Epson Desktop scanners have been quoted as devices which match the characteristics required for the evaluation of radiation dose exposure by radiochromic films.

Specifically, models such as the XL have been used successfully for image analysis and are recommended by ISP for dosimetry purposes. This note investigates and compares the scanner characteristics of three Epson desktop scanner models including the Epson XL, V, and V Both of the latter are substantially cheaper models capable of A4 scanning.

As the price variation between the V and the XL is fold based on Australian recommended retail price , cost savings by using the cheaper scanners may be warranted based on results. By a direct comparison of scanner uniformity and reproducibility we can evaluate the accuracy of these scanners for radiochromic film dosimetry. Results have shown that all three scanners can produce adequate scanner uniformity and reproducibility, with the inexpensive V producing a standard deviation variation across its landscape direction of 0.

This is compared to the V in reflection mode of 0. In transmission mode, the V is comparable in reproducibility to the XL for portrait and landscape mode, whilst the V is only capable of scanning in the landscape direction and produces a standard deviation in this direction of 1. Results have shown that the V and XL are comparable scanners in quality and accuracy with the XL obviously capable of imaging over an A3 area as opposed to an A4 area for the V The V scanner produced slightly lower accuracy and quality with uncertainties approximately twice as much as the other scanners.

However, the results show that the V is still an adequate scanner and could be used for radiation. Baik itu pada Google Meet ataupun Zoom Meeting. Lantas, apa saja perbedaan fitur dari aplikasi Zoom dan Google Meet? Untuk itu berikut perbandingan keduanya:.

Sedangkan jika kita ingin meeting online lewat Zoom kamu perlu download dan install aplikasi Zoom Cloud Meetings terlebih dahulu, lalu buat akun Zoom , barulah kamu bisa memulai sesi meeting.

Setelah itu kamu bisa buat link undangan Zoom Meeting , agar peserta lain bisa join meeting room di aplikasi Zoom. Jadi bedanya jika Google Meet bisa di akses dan digunakan hanya lewat browser saja, sedangkan untuk Zoom kamu perlu download dan install aplikasinya terlebih dahulu. Jika Google Meet menawarkan durasi maksimum rapat grup selama 1 jam atau 60 menit , berbeda dengan Zoom yang hanya menawarkan durasi maksimal rapat 40 menit saja untuk pengguna gratis.

Serta untuk meeting aplikasi web meeting online seperti Google Meet menawarkan durasi 24 jam, sedangkan untuk aplikasi Zoom menawarkan maksimum durasi rapat 30 jam. Untuk perbandingan kapasitas peserta, keduanya Google Meet dan Zoom sama-sama membatasi sampai maksimum kuota peserta.

Sayangnya, untuk fitur merekam rapat video pada aplikasi Google Meet, tidak tersedia untuk pengguna gratis. Hanya untuk pengguna berbayar yang berlangganan dari mulai paket Essentials. Berbeda dengan fitur Record Video Zoom Meeting , yang dapat digunakan secara gratis, untuk semua pengguna gratis.

Serta keduanya juga sama-sama memiliki fitur yang dapat menyimpan rekaman video berbasis awan cloud recording.

   

 

Masalah keamanan zoom: Semua yang salah (sejauh ini) - ID Atsit

 

Meskipun Zoom tidak sempurna, tidaklah mudah menemukan software web conference, apalagi yang gratis, yang lebih baik dalam hal keamanan. Penting sekali mendownload software atau perangkat lunak dari sumber terpercaya dan bukan dari situs web pihak ketiga. Yang juga perlu diperhatikan adalah selalu mendownload update terbaru yang memperbaiki kelemahan ataupun celah keamanan yang telah diketahui. Zoom meeting dienkripsi dengan enkripsi TLS bit dan presentasi yang dibagikan menggunakan enkripsi end-to-end AES bit.

Diperkenalkan pula sejumlah prosedur pengamanan demi mencegah pengguna yang tidak dikehendaki menggabungkan diri dalam meeting, misalnya keharusan memasukkan kata sandi, ruang tunggu, atau opsi untuk mengunci meeting setelah percakapan dimulai. Bagi sebagian besar pemakainya, akun Zoom gratis sudah cukup.

Akun jenis itu memfasilitasi meeting yang unlimited jumlahnya, dengan batas waktu 40 menit dan peserta dalam meeting kelompok. Paket premium memberikan limit waktu lebih lama, fitur untuk melakukan personalisasi ID Anda, dasbor admin, URL vanity, branding perusahaan, dan berbagai hal lainnya. Anda bisa turut serta dalam video conference call walaupun Anda tidak mempunyai webcam.

Anda bisa membagikan tampilan layar Anda, berbicara, dan menonton video yang lain. Satu-satunya batasan adalah tidak seorang pun bisa melihat wajah Anda sedang tersenyum. WizCase adalah situs review independen. Kami beroperasi dengan dukungan pembaca. Jadi, kami mungkin menerima komisi saat Anda membeli melalui tautan di situs kami.

Anda tidak perlu membayar biaya tambahan atas apa pun yang Anda beli di situs kami. Komisi kami diberikan langsung oleh pemilik produk. Dukung WizCase demi membantu kami memberikan ulasan yang jujur dan tidak memihak. Bagikan situs ini untuk mendukung kami! Harap ketik email. Harap ketik Nama. WizCase Downloads Zoom.

Ulasan Kami Wizcase berisi ulasan yang ditulis oleh pengulas komunitas kami, dan didasarkan pada pengujian pengulas produk yang independen dan profesional. Biaya rujukan Wizcase mungkin dapat memperoleh komisi afiliasi saat pembelian dilakukan melalui tautan kami. Standar Ulasan Ulasan yang dipublikasikan di Wizcase ditulis oleh para ahli yang memeriksa produk sesuai dengan standar peninjauan secara ketat. Unduh Sekarang. Host bisa menerima Admit atau menyingkirkan Remove orang dari ruang tunggu.

Saat ikon perisai hijau menyala, enkripsi yang ditingkatkan sudah aktif pada video. Mau tahu cara freeze video di Zoom Meeting? Yuk, temukan cara freeze video di Zoom Meeting dengan mudah dalam artikel ini sekarang juga!

Terkadang ada rasa tidak enak ketika ingin mematikan kamera saat meninggalkan Zoom Meeting sejenak. Kalau kamu mengetahui cara freeze video di Zoom Meeting , kamu bisa meninggalkan Zoom Meeting sejenak tanpa ada yang menyadari. Panduan cara melakukannya akan Gubuk Pintar bagikan dalam artikel ini. Yuk, temukan selengkapnya pada bagian selanjutnya! Kamu bisa memanfaatkan aplikasi Snipping Tool yang ada di Windows untuk freeze video di Zoom Meeting. Seperti ini caranya:. Kembali ke Zoom Meeting dan sorotlah video mu.

Setelah itu, tekan View di pojok kanan atas dan pilih Fullscreen. Tekan New dan crop video mu. Pastikan buat hasil crop yang natural ya seperti menghindari tombol-tombol yang ada agar nantinya hasil crop mu terlihat nyata.

Ketika kamu mencoba cara ini, pastikan ukuran crop mu memiliki ukuran setidaknya x pixels dengan perbandingan 16 : 9 secara landscape agar hasilnya tampak lebih optimal. Kekurangan cara ini mungkin terletak di bagian hasil crop nya. Kalau kamu gagal memperoleh gambar dengan ukuran dan kualitas yang tepat, mungkin tampilannya akan menjadi mencurigakan bagi para peserta meeting yang lain.

Sebenarnya cara diatas juga bisa diterapkan di aplikasi Zoom HP.

 

Cara merekam zoom meeting di pc sebagai peserta. Perekam Layar, Webcam + Perekam Video Layar

 

By using our site, you agree to our collection of information through the use of cookies. To learn more, view our Privacy Policy. To browse Academia. Log in with Facebook Log in cara merekam zoom meeting di pc sebagai peserta Google.

Remember me on this computer. Enter the email address you signed up with and we'll email you a reset link. Need an account? Click here to sign up. Download Free PDF. Orbit Junita. A short summary of this paper. Download Download PDF. Translate PDF. Jambi, Desember Pembimbing I Drs. Arsil, M. Pd NIP. Tim Penguji 1. Pd Ketua NIP. Agung Kurniawan, S. Pd Seketaris NIK. Faizal, S.

Yantoro, M. Pd Anggota NIP. Muhammad Sofwan, S. Arsial, M. Si Drs. Penelitian ini bertujuan untuk mendeskripsikan kefektifan dan kendala yang terjadi selama melaksanakan pembelajaran menggunakan Zoom Meeting serta solusinya.

Data penelitian diperoleh dengan cara melaksanakan observasi proses pembelajaran, wawancara bersama pendidik, peserta didik dan orang tua serta dokumentasi. Lalu, data tersebut dianalisis secara kualitatif dengan jenis penelitian deskriptif. Hasil penelitian menunjukkan bahwa pelaksanaan pembelajaran di masa pandemi ini terasa cukup efektif ketika menggunakan Zoom Meeting, hal ini dikarenakan peserta didik dapat bertemu virtual dengan pendidik dan teman-temannya secara langsung.

Dan dengan adanya fitur screen sharing dan whiteboard turut berperan menumbuhkan semangat peserta didik untuk belajar. Namun, ibarat dua sisi mata uang, terdapat pula kendala yang dialami pendidik, peserta didik dan orang tua yang mendampingi peserta didik, antara lain: pada saat pembelajaran menggunakan Zoom Meeting, tidak semua peserta didik memiliki lingkungan belajar yang tenang sehingga mengganggu peserta didik lainnya.

Solusi yang ada ialah pendidik mengadakan pertemuan bersama orang tua peserta didik untuk membahas tata aturan terhadap pembelajaran mennggunakan Zoom Cloud Meeting. Dari hasil penelitian ini disarankan agar pendidik sebagai pemegang kemudi, terus belajar mengendalikan situasi kelas dan selalu нажмите сюда dalam mengembangkan materi pembelajaran, salah satunya dengan memanfaatkan seluruh fitur yang ada pada Zoom Cloud Meeting untuk mendukung kesuksesan pembelajaran jarak jauh masa pandemi.

Skripsi ini ditujukan untuk memenuhi salah satu persyaratan ujian guna memperoleh gelar Sarjana Pendidikan S. Dalam penyusunan skripsi ini, penulis selalu mendapatkan ilmu baru, bimbingan, dukungan berupa dorongan serta semangat dari banyak pihak mulai dari pelaksanaan hingga penulisan laporan skripsi.

Pada kesempatan ini, penulis ingin mengucapkan terima kasih yang sebesar-besarnya kepada orang-orang yang penulis hormati, cintai dan sayangi, yang telah membantu secara langsung maupun tidak langsung selama penyusunan skripsi. Ucapan terima kasih penulis sampaikan kepada pembimbing terhormat, yakni Bapak Drs. Penulis juga menyampaikan rasa terima kasih cara merekam zoom meeting di pc sebagai peserta sebesar-besarnya kepada Bapak Prof.

Asrial, M. Bapak Drs. Syahrial, M. D, selaku Wakil Dekan I. Husni Sabil, M. Larlen, M. Serta kepada seluruh staff dan karyawan Program Studi Pendidikan Guru Sekolah Dasar Cara merekam zoom meeting di pc sebagai peserta Keguruan dan Ilmu Pendidikan Universitas Jambi yang telah banyak membantu di bidang akademik dan kemahasiswaan, cara merekam zoom meeting di pc sebagai peserta terkadang turut menjadi tempat berbagi cerita pengalaman suka duka selama kuliah dan proses penyusunan skripsi.

Cara merekam zoom meeting di pc sebagai peserta untuk adik-adik penulis, Harits Abdullah, Hafshah Azzahra dan Khalisah Safura yang selalu menghibur, memberikan semangat dan menjadi motivasi bagi penulis agar dapat menjadi sosok kakak yang baik. Dan terakhir untuk Salwa Nabila Antiqasari, yang selalu memberikan dukungan dan semangat baik dari sisi agama dan dunia, mulai dari akhir SMA hingga detik ini. Terima kasih telah menjadi teman yang selalu mengingatkan peneliti untuk bersabar dan selalu mengingatkan dalam hal kebaikan.

Sekali lagi, penulis mengucapkan rasa terima kasih sebanyak-banyaknya kepada semua pihak dan apabila ada yang tidak tersebut penulis mohon maaf. Akhir kata, penulis mengharapkan semoga tujuan dari cara merekam zoom meeting di pc sebagai peserta skripsi ini dapat tercapai sesuai dengan yang diharapkan. Saat itu seluruh perhatian tertuju pada provinsi Wuhan, China.

Pada awal kemunculannya, virus ini sementara dinamakan sebagai novel coronavirus nCoV. Virus COVID- 19 menyerang saluran pernapasan melalui droplet, artinya menular melalui percikan air yang keluar cara merekam zoom meeting di pc sebagai peserta dalam tubuh penderita seperti air liur atau bersin Yunus dan Rezki, Pencegahan penyebaran droplet dapat dilakukan dengan menaati protokol kesehatan. Pemerintah turut andil dalam pencegahan penyebaran virus ini Zahrotunnimah, dengan по этому сообщению pembatasan sosial berskala besar PSBB dalam peraturan Pemerintah PP Nomor 21 tahun dan membolehkan beberapa kota melakukan lockdown mandiri yaitu menutup akses masuk maupun keluar sepenuhnya di suatu wilayah.

Dan tentu saja akibat pandemi COVID ini turut mempengaruhi kebijakan- kebijakan sistem pendidikan Firman dan Rahman,melalui surat edaran No. Pembelajaran jarak jauh biasanya dilakukan dalam jaringan daring untuk mengatasi keterbatasan tersebut. Selain itu, dalam cara merekam zoom meeting di pc sebagai peserta daring dibutuhkan media berupa aplikasi pembelajaran untuk mendukung proses pelaksanaan pembelajaran. Misalnya aplikasi kelas virtual, diantaranya Google Classroom, Edmodo, dan Quizizz.

Aplikasi pesan instan, diantaranya Line dan WhatsApp So, Untuk peserta didik tingkat sekolah dasar sendiri, pemilihan media pembelajaran teknologi berbasis internet ini tidak lepas dari beberapa pertimbangan. Karena jika tidak tepat guna akan memberikan dampak yang tidak diinginkan terhadap anak. Artinya seorang pendidik memahami bagaimana karakter anak usia sekolah dasar ketika berhadapan dengan teknologi dan pendidik sendiri juga harus memahami pengetahuan dan memiliki wawasan yang luas tentang teknologi agar selalu siap dalam kondisi apapun ketika melaksanakan pembelajaran.

Penerapan teori Piaget ini dalam pembelajaran ialah pembelajaran dengan menggunakan benda konkret, alat visual, contoh nyata atau realistis, melakukan pembelajaran yang padat dan terorganisasi dan selalu ajak peserta didik berlatih memecahkan masalah konkret. Sesuai dengan penerapan teori Piaget tersebut, cara merekam zoom meeting di pc sebagai peserta satu interaksi pembelajaran jarak jauh yang dapat diimplementasikan pada peserta didik sekolah dasar adalah dengan menggunakan konferensi video video conference.

Pembelajaran melalui konferensi video ini dirasa dapat menggantikan proses pembelajaran tatap muka di kelas, hal ini tentulah dibutuhkan seperti saat ini dikarenakan proses interaksi pembelajaran tetap dilaksanakan langsung tatap muka dengan peserta didik secara real time meskipun terpisah ruang.

Beberapa contoh aplikasi yang dapat mendukung pembelajaran melalui interaksi video conference ini adalah Skype, Webex, Google Meet, dan Zoom Cloud Meeting. Diantara keempat aplikasi yang telah disebutkan, aplikasi Zoom Meeting memiliki peminat yang cukup banyak. Zoom Meeting merupakan aplikasi yang digunakan sebagai media komunikasi jarak jauh dengan menggabungkan fitur konferensi video, pertemuan online, obrolan, hingga kolaborasi seluler.

Faktor penentu kesuksesan pembelajaran daring Roman A. P, dkk. Teknologi yang mendukung b. Kualitas SDM Pengajar dan c. Karakteristik Siswa. Jika pendidik dan orang tua hanya memberikan materi dan memaksakan peserta didik untu mengerjakan soal, tentulah hal ini akan membuat peserta didik merasa jenuh untuk belajar.

Hal ini tentulah membutuhkan kerja sama antar pendidik, peserta didik dan orang tua. Terdapat kajian terbaru telah dilakukan oleh para peneliti yang membahas topik penggunaan Zoom Meeting dalam proses pembelajaran ini, diantaranya kajian dari Ismiwati.

Serta kajian penelitian yang telah dilakukan oleh Fitriyani. Pembelajaran dilaksanakan minimal tiap 1 pekan sekali pertemuan, mulai dari kelas 1 hingga kelas 6. Terutama untuk peserta didik kelas rendah, yang masih harus dibimbing oleh orang tuanya selama pembelajaran. Sedangkan tak sedikit para orang tua yang bekerja cara merekam zoom meeting di pc sebagai peserta jam pembelajaran berlangsung. Oleh karena itu pihak guru mengajak peserta didik dan orang tua untuk melaksanakan kelas Zoom Meeting pada malam harinya.

Secara praktis: a. Sebagai bahan perbandingan dalam meningkatkan mutu pendidikan berteknologi. Memberikan masukan dan menambah pengetahuan tentang pemanfaatan Zoom Meeting sebagai media pembelajaran masa pandemi COVID di sekolah dasar.

Menambah pengetahuan dan memberikan bekal serta pedoman pada saat mengajar di Sekolah Dasar. Dari beberapa sampel yang diteliti menunjukan etiologi coronavirus baru. Pada awal kemunculan coronavirus jenis baru ini, dinamakan nCoV novel coronavirus. WHO mengumumkan bahwa coronavirus merupakan pandemi per 12 Maretdikarenakan penyebaran virus ini telah meluas hampir di berbagai belahan dunia. Terdapat Sedangkan di Indonesia sendiri sudah ditetapkan Virus ini masuk ke dalam saluran pernapasan melalui droplet, artinya menular melalui percikan air yang /11672.txt dari dalam tubuh penderita seperti cairan air liur, batuk atau bersin Nur Rohim Yunus dan Annisa Rezki: Setelah menyerang saluran pernapasan yang melapisi alveoli, SARS-CoV-2 akan berikatan dengan ujung-ujung syaraf dan membuat jalan menuju ke dalam sel.

Di dalam sel, SARS-CoV-2 melakukan penggadaan materi genetik dan mensintesis berbagai protein yang dibutuhkan, kemudian membentuk virus baru dewasa sudah penuh yang muncul di permukaan sel. Selanjutnya, satu gugus kromosom RNA virus akan dikeluarkan ke sitoplasma sel dan ditranslasikan untuk bereplikasi. Pada tahap akhir, vesikel yang mengandung partikel virus akan bergabung dengan membran plasma untuk melepaskan komponen virus yang baru.

Selain itu setelah berpergian sebaiknya individu tersebut melakukan karantina mandiri di rumah selama 14 hari. Pembelajaran ini dapat dilakukan dalam waktu yang sama dengan ruang читать berbeda.