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2009 International Conference on Signal Acquisition and Processing最新文献

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DS-CDMA Descrambling and Despreading with the Cell Broadband Engine 基于小区宽带引擎的DS-CDMA解码器和扩频
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.21
Jes Toft Kristensen, Peter August Simonsen, A. Popp, P. Koch, Y. Moullec
{"title":"DS-CDMA Descrambling and Despreading with the Cell Broadband Engine","authors":"Jes Toft Kristensen, Peter August Simonsen, A. Popp, P. Koch, Y. Moullec","doi":"10.1109/ICSAP.2009.21","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.21","url":null,"abstract":"This paper presents an investigation of the challengesin efficient programming of a DS-CDMA descrambling anddespreading application for the Cell Broadband Engine(CBE) architecture. A signal model of the DS-CDMA de-scrambling and despreading operations, exploitable by theCBE, is proposed. Based on the signal model partition-ing and extraction of parallelism is conducted and imple-mented. The tests show that the initial implementation isable to demodulate a 10 ms communication burst in 84.2ms with a utilization of 10.3% of the theoretical maximal76.8 GFLOPS. We identify that the rather low utilization isdue to the initial problem partitioning and propose a moreefficient partitionning solution.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128001522","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
Characterrization and Categorization of ECG 心电图的表征与分类
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.25
P. Janvier, P. Janvier
{"title":"Characterrization and Categorization of ECG","authors":"P. Janvier, P. Janvier","doi":"10.1109/ICSAP.2009.25","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.25","url":null,"abstract":"Electrocardiogram is the graphical record obtained by the Electrocardiograph, depicting the electrical impulse of the heart as they vary during the cardiac cycle. This work is a fair attempt to characterize and categorize the ECG signals. The ECG signals are viewed in mathematical perspective and hence conclusions and equations are derived.The paper consists of schematic characterization and categorization of ECG. The characterization is done on the basis of Fourier analysis and the categorization is done on the basis of variation of ECG from the normal one.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128322534","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 Robust Multiuser Detection Based Scheme for Crosstalk Mitigation in DMT VDSL with Non-Gaussian Noise 一种基于多用户检测的非高斯噪声DMT VDSL串扰抑制方案
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.53
T. Kumar
{"title":"A Robust Multiuser Detection Based Scheme for Crosstalk Mitigation in DMT VDSL with Non-Gaussian Noise","authors":"T. Kumar","doi":"10.1109/ICSAP.2009.53","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.53","url":null,"abstract":"Very-high-rate digital subscriber line (VDSL) transmission systems mainly suffer from crosstalk and impulse noise. The traditional single-user data detector for such systems merges crosstalk into the background noise, which is assumed to be white and Gaussian. Recent advances in research show the potential benefits of multiuser detection for VDSL systems with crosstalkers and the nature of crosstalk signals. Impulse noise is one of the most difficult transmission impairments to suppress. Thus, this paper presents a robust multiuser detection technique for jointly mitigating crosstalk and impulse noise in discrete multitone very-high-rate digital subscriber line (DMT VDSL) systems. The robustification is based on the concept of M-estimators found in the robust statistics. A new M-estimator is proposed for robustifying the detector. The approach is corroborated with simulation results. Simulation results demonstrate that the proposed detector with significant performance gain outperforms the alpha, Huber, and Hampel M-estimators based detectors with little attendant increase in computational complexity.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117274710","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
A Real-Time Note Transcription Technique Using Static and Dynamic Window Sizes 使用静态和动态窗口大小的实时笔记转录技术
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.20
F. Arvin, S. Doraisamy
{"title":"A Real-Time Note Transcription Technique Using Static and Dynamic Window Sizes","authors":"F. Arvin, S. Doraisamy","doi":"10.1109/ICSAP.2009.20","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.20","url":null,"abstract":"This paper presents a real-time signal processing technique using a hardware interface based on the microcontroller to process audio music signals to standard MIDI data. A technique for transcribing music signals by extracting note parameters is described. Two different approaches using static and dynamic window sizes to convert the voice samples for real-time processing without complex calculations are proposed. The transcribed data generated shows the feasibility of using microcontrollers for real-time MIDI generation hardware interface.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"17 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132736950","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: 4
Database Instances Generation Tool for White-Box Testing 用于白盒测试的数据库实例生成工具
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.18
Sudhir Sawarkar, Samidha Shelar
{"title":"Database Instances Generation Tool for White-Box Testing","authors":"Sudhir Sawarkar, Samidha Shelar","doi":"10.1109/ICSAP.2009.18","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.18","url":null,"abstract":"Testing of database applications is crucial for ensuring high software quality as undetected faults can result in unrecoverable data corruption.Conventionally, database application testing is based upon whether or not the application can perform a set of predefined functions. While it is useful to achieve a basic degree of quality by considering the application to be a black box in the testing process, white box testing is required for more thorough testing.However, the semantics of the Structural Query Language (SQL) statements embedded in database applications are rarely considered in conventional white box testing techniques.In this paper, we study the generation of database instances that respect the semantics of SQL statements embedded in a database -application program.We have described a tool which generates a set of constraints. Database instances for program testing can be derived by solving the set of constraints using existing constraint solvers.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123916783","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
A Search of WOSF Equivalent Classes up to Order 5 5阶以下WOSF等价类的搜索
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.34
Wei-Chih Chen, J. Jeng
{"title":"A Search of WOSF Equivalent Classes up to Order 5","authors":"Wei-Chih Chen, J. Jeng","doi":"10.1109/ICSAP.2009.34","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.34","url":null,"abstract":"Weighted order statistic filters (WOSF) generate linearly separable Boolean functions. In some cases, 2 different WOSF may generate the same Boolean function. We thus can collect all of the WOSF together, which generate the same Boolean function. In this paper, we construct equivalent classes of WOSF, the BF equivalent class and the global equivalent class. Besides, we generalize three properties of the global classes and collect minimum weight vectors to build the global classes.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121268434","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
Multiresolution Framwork with Neural Network Approach for Automatic Target Recognition (ATR) 基于神经网络的多分辨率目标自动识别框架
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.58
D. Kumar, S. Varma
{"title":"Multiresolution Framwork with Neural Network Approach for Automatic Target Recognition (ATR)","authors":"D. Kumar, S. Varma","doi":"10.1109/ICSAP.2009.58","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.58","url":null,"abstract":"Automatic Target Recognition (ATR) is an approach by which we identify one or a group of target-objects in a scene. It plays a pivotal role in the challenging fields of defense and civil. Most of the methods in this context are based on fix window-size technique. In this paper we propose a novel approach which gives scale, rotation and translation invariant results for automatic target recognition in high-resolution satellite images which in turn are able to recognize the multiple targets in a scene. We have developed a system which can predict the possible area of interest in a scene, where target may be present or not. Prediction of areas of interest is based on edge detection and similarity measure of wavelet co-occurrence features of segmented sub-blocks. Zernike moments, calculated for scale and translation normalized area of interest, is thereby used as the features of the concerned area. Zernike moments are rotation invariant. The extracted features are then fed to trained neural network for recognition. This approach is more suitable for the satellite images because resolution of image and idea about the target are two essential factors by which we can predict the minimum and maximum size of the target. The approach takes considerably less time compared to the fix window based approach because the predicted numbers of interest areas to be processed in a scene are very less. The proposed approach has successfully been tested on number of satellite images of different resolutions and their timing analysis has been compared with fix window based approach.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"33 5-6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120904929","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
Modified Gabor Wigner Transform for Crisp Time Frequency Representation 基于改进Gabor - Wigner变换的清晰时频表示
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.14
Nabeel Ali Khan, M. N. Jaffri, Syed Ismail Shah
{"title":"Modified Gabor Wigner Transform for Crisp Time Frequency Representation","authors":"Nabeel Ali Khan, M. N. Jaffri, Syed Ismail Shah","doi":"10.1109/ICSAP.2009.14","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.14","url":null,"abstract":"Abstract—Gabor Wigner transform (GWT) avoids the crossterms and gives high clarity in time frequency (t-f) domain.The transform is however unable to provide a clear picture insituations when auto and cross components of Wignertransform of the multi component signal overlap. This paperpresents a new simple hybrid approach that overcomes thelimitations of GWT in an efficient manner by making use offractional Fourier transform and image processing technique.Experimental results demonstrate superiority of proposedscheme.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126313341","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
Authentication Model Using Multiple Sensors Input 使用多传感器输入的认证模型
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.32
A. Y. B. Hashim, Badrul Hisyam Nawawi, Mohd Hanafi Shafii, M. S. Rahim
{"title":"Authentication Model Using Multiple Sensors Input","authors":"A. Y. B. Hashim, Badrul Hisyam Nawawi, Mohd Hanafi Shafii, M. S. Rahim","doi":"10.1109/ICSAP.2009.32","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.32","url":null,"abstract":"This paper presents a non-novel way of mathematical abstraction, but unique in design approach to a security system. It offers solution to an authentication model for an access control system that has multiple inputs. The approach discussed comprise of procedures that begins by assigning definitions to every components, the flow of information, and ends through execution styles. It has been tested roughly using some off-the-shelf software and equipment. The results show that fusion of data obtained from various sensors is possible by following a prescribed architecture that intrusion activity performed by unwanted persons should be difficult.","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124566835","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
Robustness Study on NARXSP-Based Stiction Model 基于narxsp的粘滞模型鲁棒性研究
2009 International Conference on Signal Acquisition and Processing Pub Date : 2009-04-03 DOI: 10.1109/ICSAP.2009.43
H. Zabiri, N. Mazuki
{"title":"Robustness Study on NARXSP-Based Stiction Model","authors":"H. Zabiri, N. Mazuki","doi":"10.1109/ICSAP.2009.43","DOIUrl":"https://doi.org/10.1109/ICSAP.2009.43","url":null,"abstract":"Stiction is the most commonly found valve problem in the process industry. Valve stiction may cause oscillations in control loops which increases variability in product quality, accelerates equipment wear and tear, or leads to system instability. In this paper, a series-parallel Recurrent Neural Network (NARXSP)-based stiction model is developed and its robustness against the uncertainty in the stiction parameters is tested under various conditions. It is shown that the NARXSP-based stiction model is robust when the stiction is less than 6% of the valve travel span","PeriodicalId":176934,"journal":{"name":"2009 International Conference on Signal Acquisition and Processing","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127671935","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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