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2007 International Symposium on Signals, Circuits and Systems最新文献

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Zero-voltage and Zero-current Switched Fuel-cell Powered DC-to-DC Converter 零电压零电流开关燃料电池供电的dc - dc转换器
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292782
Sung-Geun Song, F. Kang, Sung-Jim Park, Chea-Joo Moon, Gyoung-Jong Son
{"title":"Zero-voltage and Zero-current Switched Fuel-cell Powered DC-to-DC Converter","authors":"Sung-Geun Song, F. Kang, Sung-Jim Park, Chea-Joo Moon, Gyoung-Jong Son","doi":"10.1109/ISSCS.2007.4292782","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292782","url":null,"abstract":"This paper presents a novel efficient fuel-cell powered converter. The power converter requires a special circuit configuration and control techniques to compensate the wide voltage variation because the output of fuel-cell has broad voltage ranges. So the proposed converter integrates a buck converter with a push-pull converter to be suitable for the fuel-cell as an input source. In addition, to increase the system efficiency each converter employs an auxiliary circuit for zero-voltage and zero-current switching. Operational principle is given in detail. The validity of the proposed fuel-cell powered converter is verified by experiments based on a 1 [kW] grid-connected prototype.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"12 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125640550","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
A Multi-Resolution Mean Field Annealing Algorithm for Motion Estimation in Medical CT Image Sequences 医学CT图像序列运动估计的多分辨率平均场退火算法
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292713
C. Grava, V. Buzuloiu, B. Augereau, C. Fernandez-Maloigne
{"title":"A Multi-Resolution Mean Field Annealing Algorithm for Motion Estimation in Medical CT Image Sequences","authors":"C. Grava, V. Buzuloiu, B. Augereau, C. Fernandez-Maloigne","doi":"10.1109/ISSCS.2007.4292713","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292713","url":null,"abstract":"The paper describes a multi-resolution mean field annealing (MFA) algorithm to solve the motion estimation problem in medical image sequences. The proposed algorithm ensures a satisfying trade-off between precision and computational time, in other words, it ensures a good efficiency when compared to other deterministic algorithms and also stochastic ones. The results are compared in terms of precision and computational time with those of other basic algorithms, such as the basic block-matching and Horn & Schunck algorithm. The results are illustrated on CT medical image sequences.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127114535","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
On Over-Parameterized Model Based TV-Denoising 基于过参数化模型的电视去噪研究
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292706
Tal Nir, A. Bruckstein
{"title":"On Over-Parameterized Model Based TV-Denoising","authors":"Tal Nir, A. Bruckstein","doi":"10.1109/ISSCS.2007.4292706","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292706","url":null,"abstract":"An over-parametrization model based total variation signal and image denoising method is proposed and analyzed in this paper. In cases where some structural information is provided on the signals or images of interest, this method may lead to substantial improvements in denoising performance.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126483124","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: 9
PFC with Inductor Current Hysteretic Control and Voltage Fuzzy Controller for the Output Voltage 带电感电流滞回控制和输出电压模糊控制器的PFC
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292801
B. S. Mereuta, M. Lucanu, R. Chiper, C.V. Pavel
{"title":"PFC with Inductor Current Hysteretic Control and Voltage Fuzzy Controller for the Output Voltage","authors":"B. S. Mereuta, M. Lucanu, R. Chiper, C.V. Pavel","doi":"10.1109/ISSCS.2007.4292801","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292801","url":null,"abstract":"The paper presents a PFC (power factor correction) that uses hysteretic control of the inductor current. The PFC uses a fuzzy controller to control the output voltage. The output voltage's ripple is smaller and the line current keeps sinusoidal shape with a dynamic's system much better. This controller is proposed to be implemented in a FPGA.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121101385","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
SMAP: An Intelligent Mapping tool for Network on Chip 一种基于片上网络的智能映射工具
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292678
S. Saeidi, A. Khademzadeh, A. Mehran
{"title":"SMAP: An Intelligent Mapping tool for Network on Chip","authors":"S. Saeidi, A. Khademzadeh, A. Mehran","doi":"10.1109/ISSCS.2007.4292678","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292678","url":null,"abstract":"In the literatures application mapping and task routing has been address as one of the recent open problems in network on chip design[1]. The well performing of these procedures will directly affect the performance and cost measures of NoC design. Some of these measures which we have considered are the total energy consumption, the algorithm complexity. This paper presents the SMAP, a simulation environment, which performs application mapping and task routing for network on chip. Simulation result of the spiral scenario has proven the performance of this tool.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"175 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121257381","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: 31
Performance Characteristics of Parallel and Pipelined Implementation of FIR Filters in FPGA Platform FIR滤波器在FPGA平台上并行和流水线实现的性能特点
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292697
G. Deepak, P. Meher, A. Sluzek
{"title":"Performance Characteristics of Parallel and Pipelined Implementation of FIR Filters in FPGA Platform","authors":"G. Deepak, P. Meher, A. Sluzek","doi":"10.1109/ISSCS.2007.4292697","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292697","url":null,"abstract":"In this paper, we present area-delay and power-delay characteristics against varying levels of parallel and pipelined implementations of finite impulse response (FIR) filter in FPGA platform for high throughput applications. From the synthesis results, it has been observed that the parallel systolic architecture (PSA) has a better overall resource utilization based on the area-delay product and power-delay product. The area-delay product of the PSA is 40% lesser than the parallel retimed broadcast architecture (PRBA) and almost one-third that of the unfolded direct and broadcast form parallel architectures for filter order, N = 8 and L = 8. Moreover, it exhibits better area-delay products for higher N. The power-delay products of PSA are marginally higher than PRBA, but one-fourth of the unfolded direct and broadcast form parallel architectures. The four parallel architectures have been implemented on Virtex-II 1000 device (XC2V1000BG575-4) and Virtex-II 8000 device (XC2V8000FF1152-4) for filter orders 8 and 32 respectively.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121385220","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
A Differential CMOS Automatic Gain Control Amplifier 差分CMOS自动增益控制放大器
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292677
R. Bozomitu, V. Cehan
{"title":"A Differential CMOS Automatic Gain Control Amplifier","authors":"R. Bozomitu, V. Cehan","doi":"10.1109/ISSCS.2007.4292677","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292677","url":null,"abstract":"In this paper, a differential CMOS automatic gain control amplifier is presented. The proposed architecture uses a differential variable gain amplifier, implemented with a Gilbert cell and provides an automatic gain control amplifier for both alternations of the input signal. It yields almost 20 dB dynamic range of input 100 MHz sinusoidal signal and provides a constant differential output of 200 mVpp with AGC loop bandwidth of 1 MHz. The power consumption is 50 mW from a single 3.3 V voltage supply.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"191 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121534428","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: 7
On Pattern Formation in Inertial CNN's 惯性CNN的模式形成
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292705
L. Goras, I. Alecsandrescu, P. Ungureanu
{"title":"On Pattern Formation in Inertial CNN's","authors":"L. Goras, I. Alecsandrescu, P. Ungureanu","doi":"10.1109/ISSCS.2007.4292705","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292705","url":null,"abstract":"Pattern formation in a new class of two-grid coupled CNN's characterized by the dependence of the array parameters on the voltage of one or several cells is investigated. The mechanism is similar to that used in harmonic oscillators to limit the oscillation amplitude. The effect of controlling each of the 6 parameters describing the linear central part of a piecewise linear CNN is analyzed and simulation results are presented.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132615529","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: 3
Architecture and Algorithms for Syntetizable Neural Networks with On-Chip Learning 基于片上学习的可合成神经网络的体系结构和算法
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292702
A. Tisan, S. Oniga, B. Attila, G. Ciprian
{"title":"Architecture and Algorithms for Syntetizable Neural Networks with On-Chip Learning","authors":"A. Tisan, S. Oniga, B. Attila, G. Ciprian","doi":"10.1109/ISSCS.2007.4292702","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292702","url":null,"abstract":"This paper presents a synthesizable programmable logic blocks architectures, describes the associated formula that makes the blocks to be generic for a backpropagation neural network (NN) with on-chip delta rule learning. The architecture proposed herein takes advantage of distinct datapaths for the forward and backward propagation stages to significantly improve the performance of the learning phase. The architecture is easily scalable and able to cope with arbitrary network sizes with the same hardware.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127219598","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: 11
Fast and Efficient Extraction of Moving Objects 快速有效地提取运动物体
2007 International Symposium on Signals, Circuits and Systems Pub Date : 2007-07-13 DOI: 10.1109/ISSCS.2007.4292730
M. Javan, S.M. Bouzari, A. Salahi
{"title":"Fast and Efficient Extraction of Moving Objects","authors":"M. Javan, S.M. Bouzari, A. Salahi","doi":"10.1109/ISSCS.2007.4292730","DOIUrl":"https://doi.org/10.1109/ISSCS.2007.4292730","url":null,"abstract":"Objects in video sequence have attracted much attention due to their role in many applications such as tracking, surveillance, and video compression. In this paper, we propose an efficient and accurate method for detecting moving objects in a video sequence. Motion information is used to detect primitive object candidates, so global motion and optical flow estimation is the first step in this algorithm. The estimation is done with our proposed method which is a modification of Horn-Schunck method. The proposed method for optical flow estimation is very fast and needs less iterations than does the original one (Horn-Schunk). Those areas which have different motion from global motion, according to efficient criterion, are marked as object candidates. The spatial information is used to extract the final object. The experimental results show the efficiency and accuracy of proposed algorithm.","PeriodicalId":225101,"journal":{"name":"2007 International Symposium on Signals, Circuits and Systems","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116951357","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
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