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Detecting Masses in Mammograms using Convolutional Neural Networks and Transfer Learning 使用卷积神经网络和迁移学习检测乳房x光片中的肿块
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646252
M. Yemini, Dr. Yaniv Zigel, D. Lederman
{"title":"Detecting Masses in Mammograms using Convolutional Neural Networks and Transfer Learning","authors":"M. Yemini, Dr. Yaniv Zigel, D. Lederman","doi":"10.1109/ICSEE.2018.8646252","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646252","url":null,"abstract":"This paper addresses the problem of mass detection in mammograms. It has long ago been shown that computer-aided diagnosis (CAD) schemes have the potential of improving breast cancer diagnosis performance. We propose a CAD scheme based on convolutional neural networks, using transfer representation learning and the Google Inception-V3 architecture. Artificially generated mammograms and data augmentation techniques are used to expand and balance the available database at train time. The performance of the proposed scheme is evaluated based on the receiver operating characteristics (ROC) curve. Areas under the ROC curve of 0.78 and 0.86 were obtained using artificially-generated mammograms and augmentation, respectively.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127138438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Prosodic Feature Criterion for Hebrew Using Different Feature Sets 使用不同特征集的希伯来语韵律特征标准
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646119
Ben Fishman, I. Opher
{"title":"Prosodic Feature Criterion for Hebrew Using Different Feature Sets","authors":"Ben Fishman, I. Opher","doi":"10.1109/ICSEE.2018.8646119","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646119","url":null,"abstract":"Prosody is essential for everyday human communication and provides important information about intention and meaning. It is used for subtle expressions such as sarcasm as well as for denoting more common expressions like questions or declarations and even can indicate the physiological or emotional condition of a speaker. In our previous work we presented a Prosodic Feature Criterion (PFC) for evaluating the prosodic nature of a feature that was extracted from speech signal. The PFC score provides us with a way to rank the features and determine whether an acoustic or spectral feature carries prosodic information. In this paper we continue to explore this mechanism, using the OpenSMILE toolkit, which is a standard set of features widely used for acoustic analysis and prosody research. Our experiments are carried out using a dataset of Hebrew utterances specifically designed for prosody research. We apply the PFC over each feature separately, thus ranking the different features. We then compare this ranking with classification based ranking of the same features. In addition we show visualization of the PFC idea using dimension reduction of multiple features representation. Both these tests, validate the use of the PFC score, for evaluating the prosodic nature of a feature in regards to specific prosody classes.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129284045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Point Cloud Registration Refinement in an Urban Environment using 2D Edge-Maps 城市环境中使用2D边缘地图的点云配准细化
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646245
David Avidar, D. Malah, M. Barzohar
{"title":"Point Cloud Registration Refinement in an Urban Environment using 2D Edge-Maps","authors":"David Avidar, D. Malah, M. Barzohar","doi":"10.1109/ICSEE.2018.8646245","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646245","url":null,"abstract":"As 3D point cloud acquisition sensors become increasingly prevalent in urban environments (e.g., LiDAR sensors for autonomous vehicles), the need arises to find efficient ways to align large amounts of such 3D data, often in real-time. In this work, we propose a novel method for 3D point cloud registration refinement in an urban environment (e.g., between Terrestrial LiDAR Scans - TLS - and Airborne LiDAR Scans - ALS), assuming an initial coarse registration is available. The proposed method is based on estimation of the direction of gravity, wall detection, projection of the point clouds on a perpendicular horizontal plane, and conversion into 2D edge-maps. Then, two methods are considered for alignment between the 2D edge-maps: a 2D variant of the well-known ICP (Iterative Closest Point) algorithm, and Edge-Map Phase-Correlation (EMPC). We demonstrate the usefulness of the proposed methods for registration in this challenging task, where the 2D variant of ICP achieves a meaningful advantage over 3D ICP in terms of runtime, while maintaining comparable registration accuracy.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115816199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of RNLS, EKF and SDDRE Filters of Nonlinear Dynamic System 非线性动态系统RNLS、EKF和sdre滤波器的比较
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/icsee.2018.8646274
I. Rusnak, L. Peled-Eitan
{"title":"Comparison of RNLS, EKF and SDDRE Filters of Nonlinear Dynamic System","authors":"I. Rusnak, L. Peled-Eitan","doi":"10.1109/icsee.2018.8646274","DOIUrl":"https://doi.org/10.1109/icsee.2018.8646274","url":null,"abstract":"This work focuses on filters for nonlinear dynamic systems with nonlinear measurements. The Recursive Nonlinear Least Square Error (RNLS) filter has been recently derived for the state estimation of nonlinear dynamic systems. The RNLS is optimal under the LMSE criterion. Performances of RNLS, EKF and SDDRE-based filters are compared on a common basis. The Pareto formalism is used as a tool for such comparison on a common basis. The comparison is performed for a $6^{mathrm {t}mathrm {h}}$ order nonlinear system. This system models a tracking target that performs a coordinated turn/barrel-roll maneuver with unknown turning rate, measured by radar in polar coordinates. It is demonstrated by simulations that the RNLS filter is the optimal filter with respect to the quadratic criterion it is designed for. This places the RNLS filter as a vital candidate estimator of nonlinear systems.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126224363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DC low current Hall effect measurements 直流小电流霍尔效应测量
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646240
Yannai Namia-Cohen, Y. Sharon, B. Khachatryan, D. Cheskis
{"title":"DC low current Hall effect measurements","authors":"Yannai Namia-Cohen, Y. Sharon, B. Khachatryan, D. Cheskis","doi":"10.1109/ICSEE.2018.8646240","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646240","url":null,"abstract":"A lot of electronic devices utilize linear Hall sensors to measure current and the magnetic field, as well as to perform switching and latching operations. Smartphones, laptops, and ereaders all work with very low (sub-milliampere) currents. To perform a switching function in low-power devices, however, Hall sensors must work in the microampere regime. In this work we demonstrate, for the first time, the ability of a standard Hall detector to work linearly in the microampere regime between 0 and 0.7 Tesla. To do so, we developed a current source with RMS noise on the order of 10–100 pA/sqrt(Hz). An optimized electronic circuit with minimal connections feeds current to the Hall sensor, and the Hall voltage is measured within industrial nanovoltmeter. We demonstrate the capabilities of this system by precisely measuring the slope of the Hall effect with a four-point probe at current intensities of 100, 10, and 1 microA. We expect that our system can work as a microampere Hall sensor using external voltage detectors.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114343106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Examining Change Detection Methods For Hyperspectral Data 研究高光谱数据的变化检测方法
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646175
Barak Radomsky, Adi Daniel, S. Rotman
{"title":"Examining Change Detection Methods For Hyperspectral Data","authors":"Barak Radomsky, Adi Daniel, S. Rotman","doi":"10.1109/ICSEE.2018.8646175","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646175","url":null,"abstract":"The requirement for change detection in hyperspectral data appears to be an important and necessary tool in a variety of fields such as military, medical, geology, etc. The main objective of change detection is to observe changes of the probability distribution of a stochastic process. In this paper, we analyze two detection methods which were introduced by Schaum & Stocker: chronochrome and covariance equalization. We observe the viability of both methods for when there is misregistration between the images and determine which one is better than the other at finding anomalies.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114649774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reformulation of Coupled-Mode Theory of Parallel Waveguides for Analysis of Arbitrary Beams 用于任意光束分析的平行波导耦合模理论的重新表述
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646249
Nitzan Shitrit, V. Shteeman, A. Hardy
{"title":"Reformulation of Coupled-Mode Theory of Parallel Waveguides for Analysis of Arbitrary Beams","authors":"Nitzan Shitrit, V. Shteeman, A. Hardy","doi":"10.1109/ICSEE.2018.8646249","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646249","url":null,"abstract":"Standard Coupled-Mode Theory (Standard CMT), developed for analysis of guided modes in arrays of coupled parallel waveguides, was extended to include analysis of arbitrary optical beams (AB-CMT). This extension bypasses some characteristic limitations of the coupled-mode formalism, existed so far, and thus offers an effective tool for fast and accurate computations of optical beams in the variety of waveguiding devices, matching the model of parallel waveguides (including, but not limited by modern photonic micro-devices). AB-CMT combines analytical capabilities and high computational accuracy with numerically stable algorithms and low time- and resource consumption. Our computations show the close agreement between the results, acquired with AB-CMT, and those received with the well-established Beam Propagation Method (BPM), served as the benchmark.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123109476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Matching and Searching the Dead Sea Scrolls 匹配和搜索死海古卷
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646241
Taivanbat Badamdorj, Adiel Ben-Shalom, N. Dershowitz
{"title":"Matching and Searching the Dead Sea Scrolls","authors":"Taivanbat Badamdorj, Adiel Ben-Shalom, N. Dershowitz","doi":"10.1109/ICSEE.2018.8646241","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646241","url":null,"abstract":"The Dead Sea Scrolls are of immense historical significance. Unfortunately, the scrolls have deteriorated over the millennia and continue to deteriorate since their discovery. Thus, it is of paramount importance to preserve for posterity the current state of the material as best as possible. This goal is being pursued in various ways. One is via the ongoing digitization efforts of the Israel Antiquities Authority, which complement the older infrared images of plates of fragments done under the auspices of the Palestine Archaeological Museum. Each of the thousands of parchment and papyrus fragments is carefully placed on a black felt background and then photographed at high resolution. Resultant color and infrared images are being made available to all in the Leon Levy Dead Sea Scrolls Digital Library.At the same time, we are in the midst of an international project with the goal of designing and building algorithmic tools that will relate the different images of scroll fragments with each other and with their textual transcriptions. As part of this effort, we are in the process of incorporating a deep-learning based segmentation method into the pipeline, which will allow one to manipulate images of the individual fragments themselves. Previous segmentation efforts succeeded in removing most of the shadows from the older images but failed to remove from the foreground of the new images those parts that show the Japanese tissue paper used by conservators to strengthen the edges of the fragment and hold it in place.We solve the problem of identifying and removing the tissue from the segmented images. This advance dramatically improves the effectiveness of our matching algorithms for searching among the old plates for the location of the newly-digitized fragments. In particular, the improved matching has allowed us to locate two fragments whose positions on the old plates were not recorded. The matching algorithm is being incorporated in the new platform and will begin serving scroll scholars in the near future.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115576657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A stochastic approach for optimizing the required number of sub-pixels in Silicon Photomultipiler (SiPM) for optical radar applications (LiDAR) 一种优化用于光学雷达(LiDAR)的硅光电倍增管(SiPM)所需子像素数的随机方法
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646031
A. Eshkoli, Y. Nemirovsky
{"title":"A stochastic approach for optimizing the required number of sub-pixels in Silicon Photomultipiler (SiPM) for optical radar applications (LiDAR)","authors":"A. Eshkoli, Y. Nemirovsky","doi":"10.1109/ICSEE.2018.8646031","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646031","url":null,"abstract":"CMOS Silicon Photomultiplier (SiPM) composed of a mosaic array of SPADs (single photon avalanche diode in Geiger Mode) combined in parallel, is the building block of optical radars based on a LIDAR (light detection and ranging). An open essential design parameter is the required number of sub-pixels for adequate detection of a packet of n photons, taking into consideration that each sub-pixel, composed of a single SPAD, can detect only the first photon. This study evaluates this design parameter based on a stochastic approach, where the random number of incident photons as well as the detection probability of each SPAD is taken into consideration. An expression for Signal to Noise Ratio (SNR) is developed, yielding the optimal number of sub-pixels required for a practical implementation of a LIDAR.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122803666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
DC-Link Auxiliary Circuit Implementation to Improve Transient Response of Grid Connected Power Converters 提高并网电源变换器暂态响应的DC-Link辅助电路实现
2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE) Pub Date : 2018-12-01 DOI: 10.1109/ICSEE.2018.8646182
M. Mellincovsky, V. Yuhimenko, A. Kuperman
{"title":"DC-Link Auxiliary Circuit Implementation to Improve Transient Response of Grid Connected Power Converters","authors":"M. Mellincovsky, V. Yuhimenko, A. Kuperman","doi":"10.1109/ICSEE.2018.8646182","DOIUrl":"https://doi.org/10.1109/ICSEE.2018.8646182","url":null,"abstract":"Auxiliary circuits are commonly used to decouple the pulsating power from DC-link in single phase power factor correctors (PFC). Those circuits consist on a bi-directional DC-DC converter, terminated by an auxiliary capacitor. Those auxiliary modules are commonly implemented to reduce the utilized capacitance. This, in conjunction with the power factor corrector slow response, results in a large voltage drop during heavy transient. In this paper the auxiliary converter is used to improve the system response during transients even when is compared to the original system response. A mathematical expression to calculate the capacitance needed to achieve the desire response is suggested. The analytical findings are fully supported by experimental and simulations results.","PeriodicalId":254455,"journal":{"name":"2018 IEEE International Conference on the Science of Electrical Engineering in Israel (ICSEE)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124959137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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