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Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)最新文献

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A design of low power 16-b ALU 低功耗16b ALU的设计
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818556
Beom-Seon Ryu, J. Yi, K. Lee, Taewon Cho
{"title":"A design of low power 16-b ALU","authors":"Beom-Seon Ryu, J. Yi, K. Lee, Taewon Cho","doi":"10.1109/TENCON.1999.818556","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818556","url":null,"abstract":"A low power 16-bit ALU has been designed, fabricated and tested at the transistor level. The designed ALU performs 16 instructions and has a two-stage pipelined architecture. For low power consumption, we propose a new ALU architecture which has an efficient ELM adder of propagation (P) and generation (G) block scheme. The operation of an adder of the proposed ALU is disabled while the logical operation is performed and vice versa, and outputs of P block are separated to become dual bus to reduce switching capacitances during the ALU operation. Double edge-triggered flip-flops are used to reduce the switching activity for the register. The proposed ALU was fabricated with 0.6 /spl mu/m single-poly triple-metal CMOS process. As a result of chip test, addition time is about 10 ns for the proposed ALU with 3.3 V supply voltage and the average power consumption is 33 mW at 50 MHz.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128924257","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
Wavelet decomposition of wide-sense stationary Markov processes with application to image coding 广义平稳马尔可夫过程的小波分解及其在图像编码中的应用
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818364
Zhenya He, Yunnong Zhang, Xinping Huang, Yongming Wang
{"title":"Wavelet decomposition of wide-sense stationary Markov processes with application to image coding","authors":"Zhenya He, Yunnong Zhang, Xinping Huang, Yongming Wang","doi":"10.1109/TENCON.1999.818364","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818364","url":null,"abstract":"The discrete wavelet decomposition of wide-sense stationary Markov processes is investigated with application to image coding. It is shown that the wavelet coefficients of the decomposition are a set wide-sense stationary time series. Their means and correlation functions are derived with properties and relationships established at every resolution. These results are then used to develop an optimal bit allocation scheme for image coding using wavelet transforms, which enables high compression ratio while maintaining good visual quality. The proposed method is well adapted to progressive image transmission as well as very low bit rate compression.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128759995","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
An efficient nonkeyword rejection scheme for Mandarin speech recognition 中文语音识别中一种有效的非关键字拒绝方案
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818356
Wei-Chih Hsu, Shih-Chang Hsia
{"title":"An efficient nonkeyword rejection scheme for Mandarin speech recognition","authors":"Wei-Chih Hsu, Shih-Chang Hsia","doi":"10.1109/TENCON.1999.818356","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818356","url":null,"abstract":"During the decade of 1990's, many researchers have tried to make automatic speech recognition (ASR) systems available in the real world and there are some systems operating already. However there are still some problems which need to be solved, especially for spontaneous speech input. One of the typical problems is to reject utterance that does not include any valid keyword or to verify the keyword embedded in the input utterance. Conventionally, the decision to reject or accept an utterance as keyword is to compare an unnormalized score with a threshold. Recently, some schemes based on normalized scores are proposed to cope with this problem. Furthermore, if has been shown that the methods based on normalized score many provide better performance than unnormalized ones. However the key point of this kind of method is to determine the ratio of two likelihoods which are obtained indirectly from the output of a recognition system and its corresponding antimodel, respectively. In this paper, we will propose an efficient approach to deal with this problem.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126266275","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
Power control and QoS of a CDMA based hierarchical cell structure network 基于CDMA的分层单元结构网络的功率控制与QoS
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818647
S. Shin, H. Lee, K. Kwak
{"title":"Power control and QoS of a CDMA based hierarchical cell structure network","authors":"S. Shin, H. Lee, K. Kwak","doi":"10.1109/TENCON.1999.818647","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818647","url":null,"abstract":"The hierarchical cell structure is needed for different requirements: large cells guarantee continuous coverage, while small cells are necessary to achieve good spectrum efficiency and high capacity. In this paper a CDMA system in macro/micro cell structure is investigated. We propose an adaptive scheme of controlling cell size according to time-varying traffic distribution in a macro/micro overlaid cell environment. This aims to bring communications quality in both macro-cell and micro-cell to a target quality level. Simulation results show that the proposed scheme effectively controls the time-varying traffic fluctuations and provides an enhanced performance.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126415698","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
A Bayesian neural network model for dynamic web document clustering 动态网页文档聚类的贝叶斯神经网络模型
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818696
Jun-Hui Her, Sunghae Jun, Jun-Hyeog Choi, Jung-Hyun Lee
{"title":"A Bayesian neural network model for dynamic web document clustering","authors":"Jun-Hui Her, Sunghae Jun, Jun-Hyeog Choi, Jung-Hyun Lee","doi":"10.1109/TENCON.1999.818696","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818696","url":null,"abstract":"There has been lots of research to improve the precision of IR system. These research have been studied on the document ranking, user profiles, relevance feedback and the information processing that includes document classification, clustering, routing and filtering. This paper proposes and incarnates method of neural approach about the information processing which makes users can search documents effectively and of the document clustering. In this paper the system calculates entropy between the query, the profile and the each of the web documents each other; and clusters documents using the calculated entropy as the value of the clustering variable through SOM. As the Bayesian Neural Network model has high classification accuracy with a rapid learning speed and clustering, it is possible that dynamic document clustering as it was combined with Bayesian probability model used in real-time document classification. We used KTSET which is a test collection to evaluate Korean IR system for the experiment.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"174 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122566088","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: 10
A study on the stereoscopic virtual reality for networked system 面向网络化系统的立体虚拟现实技术研究
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818715
C. Sung, Baek Cheong Ho
{"title":"A study on the stereoscopic virtual reality for networked system","authors":"C. Sung, Baek Cheong Ho","doi":"10.1109/TENCON.1999.818715","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818715","url":null,"abstract":"Networked virtual reality systems provide a consistent virtual world to users distributed across long distances, and have been widely applied in the network game, edutainment, and architectural areas. Large processing requirements, however, have made these systems operable only on the platforms of high-performance graphics workstations. This paper presents several problems concerning networked virtual reality systems; two problems related to 3D graphical processing, and the other related to network bandwidth and transmission delay. Finally suggested solutions to these problems and an analysis of their performance effect on an architectural simulation application are discussed.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122300259","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
CMOS current follower circuits CMOS电流跟随器电路
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818597
J. Parnklang, Witsarut Nanthanawanitch, W. Titiroongruang
{"title":"CMOS current follower circuits","authors":"J. Parnklang, Witsarut Nanthanawanitch, W. Titiroongruang","doi":"10.1109/TENCON.1999.818597","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818597","url":null,"abstract":"We design current follower circuits (CF) using the CMOS transistor to substitute for the bipolar transistor circuit. The experimental result which uses Spice program found that the input and output impedance of the circuit are 5 k/spl Omega/ and 76 M/spl Omega/ respectively. Moreover, the bandwidth of the circuit can be used in a wide range from 0 Hz to 4.1 MHz for CF/sup +/ and 0 Hz to 3.4 MHz and the harmonic distortion is less than 4.06% for CF/sup +/ and 4.27% for CF/sup -/. We also implement the circuit by using a commercial MOS transistor 4007, which consists of a dual complement of the CMOS transistor. The implemented circuits show that the electrical characteristics are the same as the analysis results from the Spice program.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116207994","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
Aging characteristics of power transformer oil and development of its analysis using KSOM 电力变压器油的老化特性及其KSOM分析的发展
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818596
P. Ji, Jae-Yoon Lim, Jong Pil Lee
{"title":"Aging characteristics of power transformer oil and development of its analysis using KSOM","authors":"P. Ji, Jae-Yoon Lim, Jong Pil Lee","doi":"10.1109/TENCON.1999.818596","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818596","url":null,"abstract":"In power systems, substation facilities have become too complex and large according to the extended power system. Also, some facilities become old and often break down unexpectedly. In order to improve the security of the transformer in substation facilities, the development of a transformer diagnosis technique is needed. In this paper, we developed a method to analyze the origin and degree of aging by KSOM based on the dissolved gases in a power transformer. KSOM can perform topological mapping for the multi-dimensional pattern based on the dissolved gases to two-dimensional plane. The possibility and degree of aging for a normal transformer are presented using the proposed quantitative criterion. Furthermore, the aging process of the transformer is analyzed based on the proposed criterion of a special transformer. To demonstrate the validity of the proposed method, a case study is performed and its result is presented.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123754054","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
An efficient algorithm for network reconfiguration in distribution system 配电网重构的一种有效算法
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818566
Y. Jeon, Jae-Chul Kim
{"title":"An efficient algorithm for network reconfiguration in distribution system","authors":"Y. Jeon, Jae-Chul Kim","doi":"10.1109/TENCON.1999.818566","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818566","url":null,"abstract":"This paper presents an efficient algorithm for loss reduction of distribution system by sectionalizing switch operation in the distribution system. Simulated annealing can avoid escape from local minima by accepting improvements in cost, but the use of this algorithm is also responsible for an excessive computation time requirement. To overcome this major limitation of simulated annealing, we may use modified simulated annealing. The polynomial-time cooling schedule is used which is based on the statistics calculation during the search. This approach results in saving CPU time. Numerical examples demonstrate the validity and effectiveness of the proposed methodology.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122466815","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
Design of a sign-language translation system between the Japanese-Korean by Java-Lifo language 基于Java-Lifo语言的日韩手语翻译系统设计
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030) Pub Date : 1999-09-15 DOI: 10.1109/TENCON.1999.818441
J. Kim, A. Hasimoto, Y. Aoki, A. Burger
{"title":"Design of a sign-language translation system between the Japanese-Korean by Java-Lifo language","authors":"J. Kim, A. Hasimoto, Y. Aoki, A. Burger","doi":"10.1109/TENCON.1999.818441","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818441","url":null,"abstract":"We developed a CG animation system using a special language \"Java-Lifo\", which is developed with Java, and is a descendant of the Lisp and Forth language families. We demonstrated an experimental Japanese-Korean translation of the sign language, by using the Java-Lifo language. We aim at developing an easy system that anyone can create easily, use the sign-language operation simply, and easy the communication between different languages on the WWW.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122506630","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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