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6th International Conference on Signal Processing, 2002.最新文献

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Implementation of Bluetooth FTP under Windows CE 蓝牙FTP在Windows CE下的实现
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1180128
Wang Junju, Lin Biqin
{"title":"Implementation of Bluetooth FTP under Windows CE","authors":"Wang Junju, Lin Biqin","doi":"10.1109/ICOSP.2002.1180128","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1180128","url":null,"abstract":"This thesis puts forward a solution for Bluetooth FTP under Windows CE, and it expatiates this solution from three parts: realization of Bluetooth OBEX FTP virtual serial interface driver; transplanting of Bluetooth protocol stack to Windows CE; and transplanting of Bluetooth FTP to Windows CE.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128938642","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 region merging based algorithm for total variation denoising 一种基于区域合并的全变分去噪算法
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1181192
Song Xiaodan, L. Fei, Luo Yupin
{"title":"A region merging based algorithm for total variation denoising","authors":"Song Xiaodan, L. Fei, Luo Yupin","doi":"10.1109/ICOSP.2002.1181192","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1181192","url":null,"abstract":"In this paper, we propose a region merging based algorithm for total variation (TV) denoising. TV based on denoising is extremely effective for recovering \"blocky\", possibly discontinuous, functions from noisy data. It is necessary to solve a minimization problem, which results in a nonlinear integro-differential equation of elliptic type. An efficient numerical scheme for solving such an equation is essential. In this paper, the TV denoising energy function is simplified according to the piecewise characteristic which the denoised results reveal. Then the energy is decreased by \"region merging\" to get a local minimum, which is an estimate of the global minimum. Experimental examples for image denoising are illustrated to show the effectiveness of the method in not only denoising but also segmentation with computational complexity of O(n log n).","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130929121","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
Force-maximizing: a tool for image understanding 力最大化:图像理解的工具
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1181146
O.A. Alsayegh
{"title":"Force-maximizing: a tool for image understanding","authors":"O.A. Alsayegh","doi":"10.1109/ICOSP.2002.1181146","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1181146","url":null,"abstract":"This paper presents the force-maximizing (FMAX) between a particle and an extended object. Landmarks corresponding to desired image properties are located as a result of maximizing the force between particles of predefined masses (i.e., intensities) and positions (i.e., coordinates), and the segment masses of the extended object. FMAX has been tested to determine a vehicle shape configuration and recognize facial expression.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130998712","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
The dynamic research of synchronized chaotic circuit 同步混沌电路的动态研究
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1180162
T. Zhao, Jianjun Hou, Yuhui Zhang, Tao Wang
{"title":"The dynamic research of synchronized chaotic circuit","authors":"T. Zhao, Jianjun Hou, Yuhui Zhang, Tao Wang","doi":"10.1109/ICOSP.2002.1180162","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1180162","url":null,"abstract":"In this paper, the mathematical model of a synchronized chaotic circuit based on Chua's circuit is obtained and the average rate of convergence is calculated according to the theory of differential dynamics firstly. Then, the synchronized chaotic circuit is synthesized with an OTA (operational transconductance amplifier). Finally, the rates of convergence and the parameter sensitivity of synchronization are discussed by computer simulation and experiments.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"254 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132816617","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
Discriminative training for discrete HMM of a fixed-point DSP Mandarin digits recognition system 定点DSP中文数字识别系统离散HMM的判别训练
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1181110
Qiang He, Jia Liu, Runsheng Liu
{"title":"Discriminative training for discrete HMM of a fixed-point DSP Mandarin digits recognition system","authors":"Qiang He, Jia Liu, Runsheng Liu","doi":"10.1109/ICOSP.2002.1181110","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1181110","url":null,"abstract":"Voice dialing technology is widely used in mobile phones, but most of them are based on speaker-dependent speech recognition, and cannot support dialing by saying the digits directly. Digit dialing requires speaker-independent speech recognition technology. The paper introduces a 16-bit fixed-point DSP based Mandarin digit recognition system based on discrete HMM, and discriminative training for the parameters. The parameters of the DHMM are reduced and only the truncated output probability matrices are used. A minimum classification error rate method is used to adjust the matrices discriminatively to improve the recognition accuracy further. In an experiment, a 14.4% error rate reduction is achieved.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132138856","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 new contour tracing method of edge detection 一种新的轮廓跟踪边缘检测方法
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1180999
Wang Shuang, Liu Fang
{"title":"A new contour tracing method of edge detection","authors":"Wang Shuang, Liu Fang","doi":"10.1109/ICOSP.2002.1180999","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1180999","url":null,"abstract":"A new edge detection method is presented in this paper. Based on contour tracing, the method extracts the edge from vision character with the concept of region coincidence. The method can not only restrain the influence of noise, but also locate the edge accurately.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132454095","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
Spectral analysis of some typical Sino-Tibetan languages with special reference to North East Indian languages 汉藏几种典型语言的谱分析，并以东北印度语为例
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1181107
P. Talukdar, S. K. Sarma
{"title":"Spectral analysis of some typical Sino-Tibetan languages with special reference to North East Indian languages","authors":"P. Talukdar, S. K. Sarma","doi":"10.1109/ICOSP.2002.1181107","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1181107","url":null,"abstract":"We have made an attempt to study the spectral characteristics of two North East Indian languages, Assamese and Boro, coming from different genres. We have taken a few words with similar, partially similar, and dissimilar characteristics in their nature of utterance from Assamese and Boro. The spectral analysis revels that both the languages have a high degree of similarity at both voiced and unvoiced regions for words with the same meaning. LPC modeling of the random selection of similar, partially similar and dissimilar phonemes may not provide characteristic features of the two languages, but cepstral coefficient analysis of the LPC modeling may provide important information in studying the linguistic and phonetic distinction of the two languages and, finally, speaker identification and word verification.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127244345","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
Image classification with adaptive processing of BSP image representation 基于自适应处理的BSP图像分类
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1181208
Siu-Yeung Cho, Z. Chi, W. Siu
{"title":"Image classification with adaptive processing of BSP image representation","authors":"Siu-Yeung Cho, Z. Chi, W. Siu","doi":"10.1109/ICOSP.2002.1181208","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1181208","url":null,"abstract":"Image content representation is still a challenging problem in the field of image processing. In this paper, a binary space partition (BSP) tree structure image representation incorporating with adaptive processing of data structures is presented. This tree structure representation is robust to preserve the scene semantics of image contents. Promising results were achieved when our approach was tested on the classification of natural scenery images.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115594258","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
An optimization of the relaxed signal adapted wavelet by semidefinite programming techniques 利用半定规划技术对松弛信号进行小波变换优化
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1181032
K. Akita, I. Yamada, K. Sakaniwa
{"title":"An optimization of the relaxed signal adapted wavelet by semidefinite programming techniques","authors":"K. Akita, I. Yamada, K. Sakaniwa","doi":"10.1109/ICOSP.2002.1181032","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1181032","url":null,"abstract":"In this paper, we consider a frequency response optimization of the relaxed signal-adapted wavelet which achieves its coding-gain at arbitrarily specified level (not necessarily achieves the maximal coding gain as seen in the standard signal-adapted wavelet). Thanks to the flexibility generated by the relaxation, we can optimize the frequency response of its filter bank in practically important senses. We propose an efficient approach based on the Kalman-Yakubovich-Popov (KYP) lemma and the semidefinite programming.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"2016 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114455933","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
Application of wavelet transform to defect detection of wheelflats of railway wheels 小波变换在铁路轮毂板缺陷检测中的应用
6th International Conference on Signal Processing, 2002. Pub Date : 2002-08-26 DOI: 10.1109/ICOSP.2002.1180975
Yue Jianhai, Qiu Zhengding, C. Boshi
{"title":"Application of wavelet transform to defect detection of wheelflats of railway wheels","authors":"Yue Jianhai, Qiu Zhengding, C. Boshi","doi":"10.1109/ICOSP.2002.1180975","DOIUrl":"https://doi.org/10.1109/ICOSP.2002.1180975","url":null,"abstract":"A continuous wavelet transform is applied to vibration signal analysis of railway wheels to detect the meshing abnormality of wheels with tread defects. According to the analysis of experimental data, the results show that the method can be successfully applied to wheelflats detection of railway wheels.","PeriodicalId":159807,"journal":{"name":"6th International Conference on Signal Processing, 2002.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117161668","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
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