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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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An image coding method by prediction of multiresolution subimages 一种基于多分辨率子图像预测的图像编码方法
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.1999.818378
H. Wey, M. Kawamata
{"title":"An image coding method by prediction of multiresolution subimages","authors":"H. Wey, M. Kawamata","doi":"10.1109/TENCON.1999.818378","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818378","url":null,"abstract":"This paper presents a novel coding technique using the edge information and the correlation among multiresolution and multi-frequency subimages of an original image. To obtain a high compression ratio without visible subjective degradation, our scheme separates the coding of the strong transitions (or edges) and the residue source component. The edge source is coded by a chain coder. The residue source is coded using multiresolution subimages generated by applying a subband filter. Each block in the subimages is predicted by an affine transformation of blocks in lower resolution subimages with the same orientation. Since the proposed scheme is a non-iterative scheme, the affine transformation does not compose any contractivity constraint on the block mapping or isometry operation. Experimental results show that the performance of our scheme is superior to the iterated transformation theory-based coder and other popular image coders such as JPEG in terms of both the visual quality and bit-rates.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"8 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":"125327062","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
New results on subband adaptive filters with nonuniform filter banks 非均匀滤波器组子带自适应滤波器的新结果
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.1999.818592
Ng Chun Kiam, B. Farhang-Boroujeny
{"title":"New results on subband adaptive filters with nonuniform filter banks","authors":"Ng Chun Kiam, B. Farhang-Boroujeny","doi":"10.1109/TENCON.1999.818592","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818592","url":null,"abstract":"In this paper nonuniform filter banks based on cosine and complex modulation are proposed for use in subband acoustic echo cancelers (AECs). These filter banks are derived from their uniform counterparts by combining adjacent filters. Both proposed analysis/synthesis filter banks require only one prototype filter respectively and both also result in improved computational complexity for the filtering algorithm. The improvement in computational complexity is compared against AECs using oversampled DFT filter banks based on low-delay eigenfilters. Design examples for each of the proposed filter banks are also presented and tested with real signals for implementation of an acoustic echo canceler.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"67 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":"114925512","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
The MIIS structure capacitor fabricated with high permittivity material 采用高介电常数材料制备的MIIS结构电容器
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.1999.818623
J. Parnklang, J. Surathammanun, A. Julprapa, V. Riewruja, W. Titiroongruang
{"title":"The MIIS structure capacitor fabricated with high permittivity material","authors":"J. Parnklang, J. Surathammanun, A. Julprapa, V. Riewruja, W. Titiroongruang","doi":"10.1109/TENCON.1999.818623","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818623","url":null,"abstract":"The MIIS (Metal Insulator Intrinsic Semiconductor) structure capacitor consists of the aluminum, ZnO insulator and n-type silicon doped with gold atoms. The different electrical characteristics of the devices from the standard MOIS (Metal Oxide Intrinsic Semiconductor) structure capacitor which is fabricated from SiO/sub 2/ are presented in this paper. The experimental results show that the threshold voltage of the devices (V/sub TO/) is smaller than the MOIS devices, the zinc oxide capacitor values (C/sub OX/) are higher but the total capacitor value (C/sub T/) of the device does not change.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"62 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":"116095484","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
Evaluation of interconnection capacity of dispersed storage and generation systems to the power distribution systems from the viewpoint of voltage regulation 从电压调节的角度评价分散蓄电系统与配电系统的互联容量
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.1999.818702
Joon-Ho Choi, Jae-Chul Kim
{"title":"Evaluation of interconnection capacity of dispersed storage and generation systems to the power distribution systems from the viewpoint of voltage regulation","authors":"Joon-Ho Choi, Jae-Chul Kim","doi":"10.1109/TENCON.1999.818702","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818702","url":null,"abstract":"This paper discusses the evaluation of interconnection capacity of dispersed storage and generation (DSG) systems to the power distribution systems from the viewpoint of voltage regulation. Power utilities are required to keep the customers' voltage profile over a feeder close to the rated value under all load conditions. However it is expected that the interconnection of DSGs to the power distribution systems impacts on the existing voltage regulation method and customers' voltage variations. Therefore, DSGs should be integrated to the automated power distribution systems to prevent interconnection problems and supply high quality electricity to the customers. For these reasons, we should proceed with the evaluation of interconnection capacity of DSGs to the power distribution systems. However, it is generally impossible to perform actual testing on the power distribution systems, and standardized methodologies and guidelines are not developed to evaluate it. In this paper, the criterion indexes for voltage regulation and variations are presented in order to evaluate the interconnection capacity of DGSs to the power distribution systems. In addition, the evaluation methodology of interconnection capacity of DSGs for power distribution systems 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":"142 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":"116575605","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
Caption segmentation method in videos using isodata clustering of topographical features 基于地形特征等数据聚类的视频字幕分割方法
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.1999.818568
B. Chun, Y. Bae, Tai-Yun Kim
{"title":"Caption segmentation method in videos using isodata clustering of topographical features","authors":"B. Chun, Y. Bae, Tai-Yun Kim","doi":"10.1109/TENCON.1999.818568","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818568","url":null,"abstract":"Conventional caption extraction approaches often use a spatial variance method or a color reduction method such as color histogram and color quantization. These methods are time-consuming and restrict the colors for extracting captions. In this paper we propose a method that extracts caption areas using TFs (topographical features) and isodata color clustering. After extracting TFs points using the topographical characteristics of characters, the isodata clustering method is used to cluster the similar colors. The point-line-region method is used to construct the blocks for each of the clustered groups. Constructed blocks are verified and candidate areas are decided. Caption regions are determined by testing several conditions and verifying those candidate areas. Experimental results show that the candidate region extraction rate is 100%, and the character region extraction rate is 98%.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"41 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":"122644684","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
Real-time image interpretation on a multi-layer architecture 基于多层结构的实时图像判读
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.1999.818668
M. F. Ercan, Y. Fung
{"title":"Real-time image interpretation on a multi-layer architecture","authors":"M. F. Ercan, Y. Fung","doi":"10.1109/TENCON.1999.818668","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818668","url":null,"abstract":"Real-time image interpretation is required in many applications. Due to the computational complexity of the problem, dedicated architectures are needed for achieving real-time processing. In real-time applications, image frames are continuously fed to the computer vision system and three different levels of operations are performed on each image frame. Multi-layer systems, such as the pyramid architecture, provide an efficient means to solve those problems by exploiting parallelism in both spatial and temporal domain. We present techniques applied to solve an image processing problem using a three-layer architecture and demonstrate the system's ability to conduct these operations in real-time.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"105 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":"128330126","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
Face detection and recognition using PCA 基于PCA的人脸检测与识别
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.1999.818355
Sangjean Lee, S. Jung, J. Kwon, Seung-Hong Hong
{"title":"Face detection and recognition using PCA","authors":"Sangjean Lee, S. Jung, J. Kwon, Seung-Hong Hong","doi":"10.1109/TENCON.1999.818355","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818355","url":null,"abstract":"In this paper we developed a computer system that can locate and track a subject's head in a complex background and then recognize the person by comparing characteristics of the face to those of known individuals. The computational approach taken in this system is motivated by color and motion Information and PCA (principal component analysis). Our approach treats the face recognition problem as a two-dimensional (2-D) problem rather than three-dimensional geometry. So, the problem is easier to treat. The system functions by two steps, first, extracting face image in a complex background using difference image and color model, and second, projecting pre-extracted face images onto a feature space that represents the significant variations among known face images. We use this weight vector to recognize each individual. Several evaluation methods of this weight vector are attempted in this paper.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"1 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":"129137314","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: 50
Fibonacci circulants-a new interconnection topology 斐波那契循环——一种新的互连拓扑
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.1999.818449
Yong-Seok Kim
{"title":"Fibonacci circulants-a new interconnection topology","authors":"Yong-Seok Kim","doi":"10.1109/TENCON.1999.818449","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818449","url":null,"abstract":"The paper proposes a novel interconnection network called Fibonacci circulants for large scale parallel processing systems. The FC(f/sub 3m+2/,3) is a regular and vertex transitive (not edge transitive), and has a Hamiltonian cycle. It connects the (3m+2)-th Fibonacci number, f/sub 3m+2/, m/spl ges/0 nodes with 2m links per node. It is an improvement over a comparable hypercube or multiply-twisted cube that the number of nodes with the same diameter and node degree is (2/sup 2m/)/(f/sub 3m+2/)/spl cong/0.85(0.94)/sup m/. And its diameter and maximum node degree are both 2m, that is two-thirds of a comparable Fibonacci cube with f/sub 3m+2/ processing nodes. The FC(f/sub 3m+2/,3) has a simple routing algorithm, and a Fibonacci tree as a spanning tree.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"62 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":"129351692","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
Generalized adaptive edge-preserving image restoration algorithm 广义自适应保边图像恢复算法
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.1999.818517
S. Park, M. Kang
{"title":"Generalized adaptive edge-preserving image restoration algorithm","authors":"S. Park, M. Kang","doi":"10.1109/TENCON.1999.818517","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818517","url":null,"abstract":"Discontinuities present serious difficulties to standard regularization, since standard regularization theory imposes global smoothness constraints on possible solution. We propose a noise-adaptive edge-preserving image restoration algorithm based on the Markov random field image model. Our potential function is controlled by the weighting function for providing the capability of adaptively introducing the discontinuities into the solution. Moreover a new parameter is adopted to prevent the undesirable amplification of strong noise. Extending our previous work, we propose a nonlinear formulation of the regularization functional and derive an iterative algorithm for ensuring the global minimum. The effectiveness of the proposed algorithm is demonstrated experimentally.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"17 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":"123857518","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
Area efficient and symmetric design of monolithic transformers for silicon RF ICs 硅射频集成电路单片变压器的面积高效对称设计
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.1999.818559
Sang-Gug Lee
{"title":"Area efficient and symmetric design of monolithic transformers for silicon RF ICs","authors":"Sang-Gug Lee","doi":"10.1109/TENCON.1999.818559","DOIUrl":"https://doi.org/10.1109/TENCON.1999.818559","url":null,"abstract":"A novel monolithic transformer structure, mixed coupling structure, is proposed and compared with other more conventional structures: side-coupling and vertical-coupling structure. The proposed mixed-coupling structure shows the best performance in the aspects of symmetry, area efficiency, and insertion loss. The structures of the three transformers along with the measurement results are presented and analyzed.","PeriodicalId":121142,"journal":{"name":"Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure' (Cat. No.99CH37030)","volume":"11 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":"123390448","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: 6
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