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检索条件"主题词=image coding"
35114 条 记 录,以下是31-40 订阅
排序:
image-coding WITH UNIFORM AND PIECEWISE-UNIFORM VECTOR QUANTIZERS
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IEEE TRANSACTIONS ON image PROCESSING 1995年 第2期4卷 140-146页
作者: JEONG, DG GIBSON, JD TEXAS A&M UNIV DEPT ELECT ENGNCOLLEGE STNTX 77843
New lattice vector quantizer design procedures for nonuniform sources that yield excellent performance while retaining the structure required for fast quantization are described. Analytical methods for truncating and ... 详细信息
来源: 评论
image coding based on multiband wavelet and adaptive quad-tree partition
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2006年 第1-2期195卷 2-7页
作者: Bi Ning Dai Qinyun Huang Daren Fang Ji Sun Yat Sen Univ Sch Informat Sci & Technol Guangzhou 510275 Peoples R China Guangdong Univ Technol Fac Informat Engn Guangzhou 510643 Peoples R China
In this paper, a new family of multiband wavelets with a parameter lambda is introduced for image coding. In our method of image coding, subbands in the wavelet decomposition are adaptively divided into insignificant ... 详细信息
来源: 评论
image-coding USING VECTOR QUANTIZATION OF WAVELET COEFFICIENTS
MICROPROCESSING AND MICROPROGRAMMING
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MICROPROCESSING AND MICROPROGRAMMING 1994年 第10-12期40卷 927-930页
作者: DRE, C BRANIS, G GOUTIS, C VLSI Design Laboratory Department of Electrical Engineering University of Patras Rio 26110 Greece
In this paper, we introduce a new image compression scheme that it involves three steps: First a multiresolution decomposition of the images is performed using the Wavelet Transform (WT). PL thresholding algorithm is ... 详细信息
来源: 评论
image coding based on classified side-match vector quantization
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IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS 2000年 第12期E83D卷 2189-2192页
作者: Lu, ZM Pan, JS Sun, SH Harbin Inst Technol Dept Automat Test & Control Harbin 150006 Peoples R China Natl Kaohsiung Inst Technol Dept Elect Engn Kaohsiung 80782 Taiwan
The classified side-match vector quantizer, CSMVQ, has already been presented for low-bit-rate image encoding. It exploits a block classifier to decide which class the input vector belongs to using the variances of th... 详细信息
来源: 评论
image coding using variable-rate side-match finite-state vector quantization
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IEEE TRANSACTIONS ON image PROCESSING 1993年 第1期2卷 104-108页
作者: Chang, Ruey-Feng Chen, Wen-Tsuen Natl Chung Cheng Univ Dept Comp Sci & Informat Engn Chiayi 62107 Taiwan Natl Tsing Hua Univ Dept Comp Sci Hsinchu 30043 Taiwan
In the future, B-ISDN (Broad-band Integrated Services Digital Network) users can send various kinds of information, such as voice, data, and image, over the same network and send information only when necessary. It ha... 详细信息
来源: 评论
image coding from wavelet transform maxima and projection onto convex sets
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image AND VISION COMPUTING 1999年 第3-4期17卷 295-298页
作者: Jou, JL Chao, HC Chieu, BC Natl Taiwan Univ Sci & Technol Dept Elect Engn Taipei Taiwan
This paper defines a discrete-time wavelet transform absolute maxima (DWTAM) representation for images and presents the corresponding image recovery algorithm from the representation to compress the image data. The co... 详细信息
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image coding using feature map finite-state vector quantization
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IEEE SIGNAL PROCESSING LETTERS 1996年 第7期3卷 215-217页
作者: Xu, MN Kuh, A Department of Electrical Engineering University of Hawai Honolulu HI USA
In this letter, a vector quantization (VQ) scheme with finite memory called feature map finite-state vector quantization (FMFSVQ) is presented, The FMFSVQ takes advantage of good topological ordering so that the desig... 详细信息
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image-coding BASED ON CLASSIFIED LAPPED ORTHOGONAL TRANSFORM-VECTOR QUANTIZATION
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1995年 第4期5卷 352-355页
作者: VERKATRAMAN, S NAM, JY RAO, KR GEIMYUNG UNIV DEPT COMP SCI TAEGU 704701 SOUTH KOREA UNIV TEXAS DEPT ELECT ENGN ARLINGTON TX 76019 USA
Classified transform coding of images using vector quantization (VQ) has proved to be an efficient technique. Transform VQ combines the energy compaction properties of transform coding and the superior performance of ... 详细信息
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image coding making use of B-spline surfaces
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1997年 第2期7卷 409-413页
作者: Watanabe, T Laboratory of Chromatography DEPg.Fac.Quimica Universidad Nacional Autonoma de Mexico Circuito interior Cd Universitaria/CP 04510 Mexico D.F.Mexico
This paper presents a new coding algorithm making use of B-spline surfaces, Points on the surface are regarded as image data, and the values of defining polygon vertices are coded. Simulation results show the possibil... 详细信息
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image coding BY LINEAR TRANSFORMATION AND BLOCK QUANTIZATION
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IEEE TRANSACTIONS ON COMMUNICATION TECHNOLOGY 1971年 第1期CO19卷 50-&页
作者: HABIBI, A WINTZ, PA Bell Telephone Laboratories Inc. Holmdel NJ USA School of Electrical Engineering Purdue University Lafayette IN USA
The feasibility of coding two-dimensional data arrays by first performing a two-dimensional linear transformation on the data and then block quantizing the transformed data is investigated. The Fourier, Hadamard, and ... 详细信息
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