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检索条件"主题词=image coding"
35114 条 记 录,以下是91-100 订阅
排序:
A novel enhancement for hierarchical image coding
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JOURNAL OF VISUAL COMMUNICATION AND image REPRESENTATION 2013年 第1期24卷 12-22页
作者: Zhu, Shuyuan Zeng, Bing Hong Kong Univ Sci & Technol Dept Elect & Comp Engn Kowloon Hong Kong Peoples R China Univ Elect Sci & Technol China Sch Elect Engn Chengdu Sichuan Peoples R China
Hierarchical image coding usually codes a down-sampled version of an original image and then the difference between the original image and a reconstructed version that is interpolated from the down-sampled layer. In t... 详细信息
来源: 评论
OVERLAPPING BLOCK TRANSFORM - WINDOW DESIGN, FAST ALGORITHM, AND AN image-coding EXPERIMENT
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IEEE TRANSACTIONS ON COMMUNICATIONS 1995年 第9期43卷 2417-2425页
作者: TEMERINAC, M EDLER, B UNIV HANNOVER INST THEORET NACHRICHTENTECH & INFORMAT VERARBEITW-3000 HANNOVER 1GERMANY
In this paper, window design and fast algorithm for the overlapping block transform (OBT) of size NxL are presented, The presented algorithm for the OBT reduces the calculation complexity to an NxN transform with a fa... 详细信息
来源: 评论
An efficient Bath fractal transform-based image coding technique
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IEEE TRANSACTIONS ON CONSUMER ELECTRONICS 1998年 第4期44卷 1298-1308页
作者: Kumar, S Univ So Calif Inst Signal & Image Proc Los Angeles CA 90089 USA Birla Inst Technol & Sci Pilani 333031 Rajasthan India
A computationally efficient image compression technique is presented, which is based on visual patterns as well as least squares fractal approximation by a Self Affine System (SAS). Simulation studies demonstrate that... 详细信息
来源: 评论
Lifting-based directional DCT-Like transform for image coding
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 2007年 第10期17卷 1325-1335页
作者: Xu, Hao Xu, Jizheng Wu, Feng Microsoft Res Asia Beijing 100080 Peoples R China Univ Sci & Technol China Hefei 230026 Peoples R China
Traditional 2-D discrete cosine transform (DCT) implemented by separable I-D transform in horizontal and vertical directions does not take image orientation features in a local window into account. To improve it, we p... 详细信息
来源: 评论
A High-Speed Pyramid image coding Algorithm for a VLSI Implementation
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1991年 第4期1卷 369-374页
作者: Sahinoglou, Haralambos Cabrera, Sergio D. Penn State Univ Dept Elect & Comp Engn University Pk PA 16802 USA
A nonseparable pyramid method based on a wavelet ex. pansion Is developed for image coding. It achieves high compression rates and at the same time it allows a very efficient algorithmic Implementation. In particular ... 详细信息
来源: 评论
Adaptive transforms for image coding using spatially varying wavelet packets
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IEEE TRANSACTIONS ON image PROCESSING 1996年 第7期5卷 1197-1204页
作者: Ramchandran, K Xiong, ZX Asai, K Vetterli, M UNIV CALIF BERKELEY BERKELEYCA 94704
We introduce a novel, adaptive image representation using spatially varying wavelet packets (WP's). Our adaptive representation uses the fast double-free algorithm introduced in [1] to optimize an operational rate... 详细信息
来源: 评论
Perceptual dithering for octave subband image coding
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JOURNAL OF VISUAL COMMUNICATION AND image REPRESENTATION 2004年 第2期15卷 163-184页
作者: Wang, CN Liu, CM Chiang, TH NCTU Dept & Inst Comp Sci & Informat Engn Hsinchu 30050 Taiwan
Octave subband coding has been used as an efficient image coding approach for various well-known standards such as MPEG-4 and JPEG-2000. Although the sub-images in the octave subband representation have low statistica... 详细信息
来源: 评论
Perceptually-lossless image coding based on foveated-JND and H.265/HEVC
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JOURNAL OF VISUAL COMMUNICATION AND image REPRESENTATION 2016年 第PartB期40卷 600-610页
作者: Li, Yiming Liu, Hongyi Chen, Zhenzhong Wuhan Univ Sch Remote Sensing & Informat Engn Luoyu Rd 129 Wuhan 430079 Peoples R China
Removing perceptual redundancy plays an important role in image compression. In this paper we develop a foveated just-noticeable-difference (FJND) model to quantify the perceptual redundancy in the image and integrate... 详细信息
来源: 评论
Space-frequency quantization for wavelet image coding
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IEEE TRANSACTIONS ON image PROCESSING 1997年 第5期6卷 677-693页
作者: Xiong, ZX Ramchandran, KN Orchard, MT UNIV ILLINOIS BECKMAN INSTURBANAIL 61801 UNIV ILLINOIS DEPT ELECT & COMP ENGNURBANAIL 61801
Recently, a new class of image coding algorithms coupling standard scalar quantization of frequency coefficients with tree-structured quantization (related to spatial structures) has attracted wide attention because i... 详细信息
来源: 评论
Low Energy Interleaved Chaotic Secure image coding Scheme for Visual Sensor Networks Using Pascal's Triangle Transform
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IEEE ACCESS 2021年 9卷 134576-134592页
作者: Suseela, G. Phamila, Y. Asnath Victy Niranjana, G. Ramana, Kadiyala Singh, Saurabh Yoon, Byungun SRM Inst Sci & Technol Sch Comp Sci & Engn Chennai 603203 Tamil Nadu India VIT Univ Sch Comp Sci & Engn Chennai Campus Chennai 600127 Tamil Nadu India Annamacharya Inst Technol & Sci Dept Artificial Intelligence & Data Sci Rajampet 516126 India Dongguk Univ Dept Ind & Syst Engn Seoul 04620 South Korea
The resource-constrained camera integrated Visual Sensor Networks (VSN) have conquered numerous visual aided services from visual surveillance to habitat monitoring. VSN is capable of sensing, processing and communica... 详细信息
来源: 评论