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检索条件"主题词=image coding"
35114 条 记 录,以下是21-30 订阅
排序:
image coding using vector quantization with a hierarchical codebook in wavelet domain
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IEEE TRANSACTIONS ON CONSUMER ELECTRONICS 1999年 第1期45卷 36-45页
作者: Chen, WS Ou, FC Lin, LC Hsin, C Feng Chia Univ Dept Elect Engn Video & Image Proc Lab Taichung 40724 Taiwan
Wavelet transforms have recently emerged as powerful tools for data compression in image and video applications. Based on the strong interscale correlation between different scales on the same orientation and location... 详细信息
来源: 评论
image coding Using a Classified DCT/VQ Based on Two-Channel Conjugate Vector Quantization
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1991年 第4期1卷 325-+页
作者: Nam, J. Y. Rao, K. R. Univ Texas Arlington Dept Elect Engn Arlington TX 76019 USA
In this paper, an adaptive image coding technique-two-channel conjugate classified discrete cosine transform/vector quantization (TCCCDCT/VQ)-is proposed to efficiently exploit correlation In large image blocks by tak... 详细信息
来源: 评论
image coding using translation invariant wavelet transforms with symmetric extensions
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IEEE TRANSACTIONS ON image PROCESSING 1998年 第5期7卷 762-769页
作者: Liang, J Parks, TW Texas Instruments Inc Digital Signal Proc R&D Ctr Dallas TX 75265 USA Cornell Univ Dept Elect Engn Ithaca NY 14853 USA
In this correspondence, we address the problem of translation sensitivity of conventional wavelet transforms for two-dimensional (2-D) signals. We propose wavelet transform algorithms that achieve the following desira... 详细信息
来源: 评论
An image coding scheme based on image projections and geometrical VQ
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SIGNAL PROCESSING-image COMMUNICATION 1997年 第2期11卷 95-103页
作者: Lancini, R Tubaro, S CEFRIEL I-20126 Milan Italy Politecn Milan Dipartimento Elettron & Informat I-20133 Milan Italy
This paper deals with an image coding scheme based on overlapped projections and geometrical vector quantization. As far as still images are concerned, we present a simple coding algorithm, in which, the concept of pr... 详细信息
来源: 评论
image coding by multistep, adaptive flux interpolation
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IEE PROCEEDINGS-VISION image AND SIGNAL PROCESSING 1996年 第6期143卷 337-343页
作者: BaghaiRavary, L Beet, SW Tokhi, MO UNIV SHEFFIELD DEPT AUTOMAT CONTROL & SYST ENGNSHEFFIELD S1 3JDS YORKSHIREENGLAND
The authors describe and discuss the new technique, multistep adaptive flux interpolation (MAFI), and its application to image data for coding. When applied to an image, MAFI produces an output which is also in an ima... 详细信息
来源: 评论
image-coding BY ADAPTIVE TREE-STRUCTURED SEGMENTATION
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IEEE TRANSACTIONS ON INFORMATION THEORY 1992年 第6期38卷 1755-1767页
作者: WU, XL Department of Computer Science University of Western Ontario London ONT Canada
Proposed is a new algorithmic approach to segmentation-based image coding. A good compromise is achieve between segmentations by quadtree-based decomposition and by free region-growing in terms of time complexity and ... 详细信息
来源: 评论
image coding quality assessment using fuzzy integrals with a three-component image model
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IEEE TRANSACTIONS ON FUZZY SYSTEMS 2004年 第1期12卷 99-106页
作者: Li, JL Chen, G Chi, ZR Lu, CG Hong Kong Polytech Univ Dept Elect & Informat Engn Ctr Multimedia Signal Proc Kowloon Hong Kong Peoples R China Zhejiang Univ Inst Sci Hangzhou 310027 Peoples R China
Based on importance measures and fuzzy integrals, a new assessment method for image coding quality is presented in this paper. The proposed assessment is based on two subevaluations. In the first subevaluation, errors... 详细信息
来源: 评论
image coding using generalized optimal subband decomposition and vector quantization
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SIGNAL PROCESSING-image COMMUNICATION 1996年 第2期8卷 161-168页
作者: Yau, SF Srivastava, D Tso, SW Department of Electrical and Electronic Engineering The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong
This paper presents a novel image coding scheme based on optimal filter design for subband coding followed by vector quantization. A generalized perfect reconstruction subband filter system is proposed in which constr... 详细信息
来源: 评论
image-coding BY BLOCK PREDICTION OF MULTIRESOLUTION SUBimageS
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IEEE TRANSACTIONS ON image PROCESSING 1995年 第7期4卷 909-920页
作者: RINALDO, R CALVAGNO, G Dipartimento di Elettronica e Inf. Padova Univ.
The redundancy of the multiresolution representation has been clearly demonstrated in the case of fractal images, but it has not been fully recognized and exploited for general images. Recently, fractal block coders h... 详细信息
来源: 评论
image-coding WITH RIDGE AND VALLEY PRIMITIVES
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IEEE TRANSACTIONS ON COMMUNICATIONS 1995年 第6期43卷 2095-2102页
作者: ROBINSON, JA Systems Design Engineering University of Waterloo Waterloo ONT Canada
A high-compression image coding scheme is presented, based on thread-like ''Ridge'' and ''Valley'' primitives, The use of these primitives is motivated by their success in economically ... 详细信息
来源: 评论