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检索条件"主题词=arithmetic coding"
493 条 记 录,以下是31-40 订阅
排序:
Perturbation meets key-based interval splitting arithmetic coding: security enhancement and chaos generalization
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SECURITY AND COMMUNICATION NETWORKS 2016年 第1期9卷 43-53页
作者: Zhang, Yushu Xiao, Di Wong, Kwok-Wo Zhou, Jiantao Bai, Sen Su, Moting Southwest Univ Sch Elect & Informat Engn Chongqing 400715 Peoples R China Chongqing Univ Coll Comp Sci Chongqing 400044 Peoples R China City Univ Hong Kong Dept Elect Engn Kowloon Hong Kong Peoples R China Univ Macau Fac Sci & Technol Dept Comp & Informat Sci Taipa Macau Peoples R China Chongqing Commun Inst Dept Informat Engn Chongqing 400035 Peoples R China Chongqing Univ Sch Econ & Business Adm Chongqing 400044 Peoples R China
Key-based interval splitting arithmetic coding (KAC) possesses both encryption and compression capabilities. However, it possesses vulnerability to chosen-plaintext attack because the attacker can explore the relation... 详细信息
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Compaction of ordered dithered images with arithmetic coding
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IEEE TRANSACTIONS ON IMAGE PROCESSING 2001年 第5期10卷 797-802页
作者: Lin, YY Wang, YJ Fan, TH Natl Cent Univ Dept Elect Engn Chungli 32054 Taiwan Natl Cent Univ Inst Stat Chungli 32054 Taiwan
Ordered dither is considered to be a simple and effective method among all halftoning techniques. In this paper, compaction of ordered dithered images using arithmetic coding is studied. A preprocessor referred to as ... 详细信息
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A greedy renormalization method for arithmetic coding
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IEEE TRANSACTIONS ON COMMUNICATIONS 2007年 第8期55卷 1494-1503页
作者: Jia, Yunwei Yang, En-hui He, Da-ke Chan, Steven Adv Micro Devices Inc Markham ON L3T 7X6 Canada Univ Waterloo Dept Elect & Comp Engn Waterloo ON N2L 3G1 Canada IBM Corp Thomas J Watson Res Ctr Yorktown Hts NY 10598 USA SlipStream Data Inc Waterloo ON N2L 5Z5 Canada
A typical arithmetic coder consists of three steps: range calculation, renormalization, and probability model updating. In this paper, we propose and analyze from an information theoretic point of view a greedy renorm... 详细信息
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An improved lossless image compression based arithmetic coding using mixture of non-parametric distributions
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MULTIMEDIA TOOLS AND APPLICATIONS 2015年 第23期74卷 10605-10619页
作者: Masmoudi, Atef Puech, William Masmoudi, Afif Univ Sfax Sfax Preparatory Engn Inst Sfax Tunisia Univ Montpellier 2 LIRMM UMR CNRS 5506 F-34392 Montpellier 05 France Univ Sfax Fac Sci Sfax Lab Stat & Probabil Sfax Tunisia
In this paper, we propose a new approach for a block-based lossless image compression using finite mixture models and adaptive arithmetic coding. Conventional arithmetic encoders encode and decode images sample-by-sam... 详细信息
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Multimedia selective encryption by means of randomized arithmetic coding
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IEEE TRANSACTIONS ON MULTIMEDIA 2006年 第5期8卷 905-917页
作者: Grangetto, Marco Magli, Enrico Olmo, Gabriella CERCOM Dipartimento Elettr Politecn Torino I-10129 Turin Italy
We propose a novel multimedia security framework based on a modification of the arithmetic coder, which is used by most international image and video coding standards as entropy coding stage. In particular, we introdu... 详细信息
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Error detection in arithmetic coding with artificial markers
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COMPUTERS & MATHEMATICS WITH APPLICATIONS 2011年 第1期62卷 359-366页
作者: Wong, Kwok-Wo Lin, Qiuzhen Chen, Jianyong City Univ Hong Kong Dept Elect Engn Kowloon Tong Hong Kong Peoples R China Shenzhen Univ Dept Comp Sci & Software Engn Shenzhen Peoples R China
Error detection in arithmetic code is usually achieved by inserting markers in the source sequence during encoding. Transmission errors can then be detected in the decoding process if the inserted markers do not appea... 详细信息
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Distributed video coding using interval overlapped arithmetic coding
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SIGNAL PROCESSING-IMAGE COMMUNICATION 2019年 76卷 118-124页
作者: Zhou, Junwei Fu, Yincheng Yang, Yanchao Ho, Anthony T. S. Wuhan Univ Technol Sch Comp Sci & Technol Wuhan Hubei Peoples R China Univ Surrey Dept Comp Sci Guildford Surrey England
Distributed video coding (DVC) is a flexible and novel video coding mode that is different from traditional video compression methods, which can shift the complex task such as motion estimation from encoder to decoder... 详细信息
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Upgraded Petri net model and analysis of adaptive and static arithmetic coding
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MATHEMATICAL AND COMPUTER MODELLING 2013年 第7-8期58卷 1548-1562页
作者: Strbac, Perica Milovanovic, Gradimir V. Megatrend Univ Fac Comp Sci Novi Beograd 11070 Serbia Serbian Acad Arts & Sci Math Inst Beograd 11001 Serbia
In this paper, we analyze several adaptive and static data models of arithmetic compression. These models are represented by using Upgraded Petri net as our original class of the Petri nets. After the iterative proces... 详细信息
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Reversible arithmetic coding for quantum data compression
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IEEE TRANSACTIONS ON INFORMATION THEORY 2000年 第3期46卷 1104-1116页
作者: Chuang, IL Modha, DS IBM Corp Almaden Res Ctr San Jose CA 95120 USA
We study the problem of compressing a block of symbols (a block quantum state) emitted by a memoryless quantum Bernoulli source. We present a simple-to-implement quantum algorithm for projecting, with high probability... 详细信息
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On the security of binary arithmetic coding based on interval shrinking
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MULTIMEDIA TOOLS AND APPLICATIONS 2016年 第8期75卷 4245-4258页
作者: Xiang, Tao Sun, Jianglin Fu, Xinwen Chongqing Univ Coll Comp Sci Chongqing 400044 Peoples R China Univ Massachusetts Lowell Dept Comp Sci Lowell MA 01854 USA
arithmetic coding (AC) is often chosen for joint compression and encryption. In this paper, we conduct a careful analysis of secure binary AC schemes based on interval shrinking regarding its security. We first give t... 详细信息
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