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检索条件"主题词=embedded coding"
105 条 记 录,以下是91-100 订阅
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New compression paradigms in JPEG2000
New compression paradigms in JPEG2000
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Conference on Applications of Digital Image Processing XXIII
作者: Wu, GK Gormish, MJ Boliek, M Ricoh Silicon Valley Inc Menlo Park CA 94025 USA
The JPEG2000 still image compression standard has adopted a new compression paradigm: "Encode once, decode many." JPEG2000 architecture allows the codestream to be decoded differently for different applicati... 详细信息
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Adaptive segmentation of wavelet transform coefficients for video compression
Adaptive segmentation of wavelet transform coefficients for ...
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Conference on Image and Video Communications and Processing 2000
作者: Wasilewski, P Lodz Tech Univ Inst Elect PL-90537 Lodz Poland
This paper presents video compression algorithm suitable for inexpensive real-time hardware implementation. This algorithm utilizes Discrete Wavelet Transform (DWT) with the new Adaptive Spatial Segmentation Algorithm... 详细信息
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An embedded still image coder with rate-distortion optimization
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IEEE TRANSACTIONS ON IMAGE PROCESSING 1999年 第7期8卷 913-924页
作者: Li, J Lei, SM Sharp Labs Amer Camas WA 98607 USA
It is well known that the fixed rate coder achieves optimality when all coefficients are coded with the same rate-distortion (R-D) slope. In this paper, we show that the performance of the embedded coder can be optimi... 详细信息
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An embedded DCT-based still image coding algorithm
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IEEE SIGNAL PROCESSING LETTERS 1998年 第6期5卷 135-137页
作者: Nister, D Christopoulos, C Ericsson Telecom AB Compress Lab S-12625 Stockholm Sweden
In this letter, an embedded discrete cosine transform-based (DCT-based) image coding algorithm is described. The algorithm outperforms other DCT-based coders published in the literature, including the Joint Photograph... 详细信息
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Multiresolutional encoding/decoding in embedded image and video coders  6
Multiresolutional encoding/decoding in embedded image and vi...
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Hybrid Image and Signal Processing VI
作者: Xiong, ZX Kim, BJ Pearlman, WA Univ Hawaii Dept Elect Engn Honolulu HI 96822 USA
We address multiresolutional encoding and decoding within the embedded zerotree wavelet (EZW) framework for both images and video. By varying a resolution parameter, one can obtain decoded images at different resoluti... 详细信息
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Visual progressive coding
Visual progressive coding
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Meeting on Visual Communications and Image Processing
作者: Li, J Sharp Labs Amer Camas WA 98607 USA
The embedded coder has an attractive feature that the coding bitstream can be truncated later at any point and still decoded a perceptible image. It is common in conventional coding to improve the subjective quality o... 详细信息
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Rate control for an embedded wavelet video coder
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1997年 第4期7卷 696-702页
作者: Cheng, PY Li, J Kuo, CCJ SHARP LABS AMER DIGITAL VIDEO DIV CAMAS WA 98607 USA UNIV SO CALIF INTEGRATED MEDIA SYST CTR LOS ANGELES CA 90089 USA UNIV SO CALIF DEPT ELECT ENGN SYST LOS ANGELES CA 90089 USA
embedded coders provide a better rate-distortion tradeoff while the coded bit stream can be truncated at any point without a significant perceptible distortion. In this work, we investigate rate control for an embedde... 详细信息
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A perceptually based embedded subband speech coder
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IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING 1997年 第2期5卷 131-140页
作者: Tang, B Shen, A Alwan, A Pottie, G INTEL CORP HILLSBOROOR 97124 UNIV CALIF LOS ANGELES DEPT ELECT ENGNLOS ANGELESCA 90095
A new scheme for robust, high-quality, embedded speech coding based on subband decomposition and perceptually optimized bit allocation and prioritization is presented, An infinite impulse response (IIR) quadrature mir... 详细信息
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An embedded still image coder with rate-distortion optimization
An embedded still image coder with rate-distortion optimizat...
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Visual Communications and Image Processing 1998 Conference
作者: Li, J Lei, SW Sharp Labs Amer Camas WA 98607 USA
It is well known that the fixed rate coder achieves optimality when all coefficients are coded with the same rate-distortion (R-D) slope. In this paper, we show that the performance of the embedded coder can be optimi... 详细信息
来源: 评论
embedded wavelet packet image coder with fast rate-distortion optimized decomposition
Embedded wavelet packet image coder with fast rate-distortio...
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1997 Conference on Visual Communications and Image Processing
作者: Li, J Kuo, CCJ Cheng, PY Univ. of Southern California (United States) Physical Optics Corp. (United States)
A fast rate-distortion (R-D) optimized wavelet packet (WP) transform is proposed for image compression in this research. By analyzing the R-D performance of the quantizer and the entropy coder, we show that the coding... 详细信息
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