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检索条件"主题词=block truncation coding"
170 条 记 录,以下是131-140 订阅
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A novel detection and recovery system for tampered images using block truncation coding and vector quantization
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The Journal of Photographic Science 2003年 第4期51卷 235-246页
In this paper, a novel detection and recovery system is proposed for image authentication based on two compression schemes: block truncation coding and vector quantization. In order to reduce the overhead in the commu... 详细信息
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A novel image coding method based on hybrid fractal
A novel image coding method based on hybrid fractal
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6th World Congress on Intelligent Control and Automation
作者: Sun, Yuge Zhao, Lihong Wang, Yongjun Xu, Xinhe Northeastern Univ Informat Sci & Engn Coll Shenyang 110004 Liaoning Prov Peoples R China
In this paper we present a novel image coding method, which adopts a nonlinear model based on hybrid fractal. we generalize 64 kinds of geometry transformations based on it. The process of selecting Domain block and t... 详细信息
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Fuzzy block truncation coding
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OPTICAL ENGINEERING 2002年 第12期41卷 3161-3167页
作者: Boudraa, AO Beghdadi, A Dehalk, SMR Iordache, R Ecole Navale IRENav F-29200 Brest France Univ Paris 13 F-93430 Villetaneuse France ENST Dept Image F-75634 Paris France Tampere Univ Technol Inst Signal Proc FIN-33101 Tampere Finland
block truncation coding (BTC) is a well known lossy compression scheme. Due to its low complexity and easy implementation, BTC has gained wide interest in its further development and application for image compression.... 详细信息
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Digital image watermarking technique based on block truncation coding with vector quantization
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CHINESE JOURNAL OF ELECTRONICS 2002年 第2期11卷 152-157页
作者: Lu, ZM Liu, CH Sun, SG Harbin Inst Technol Dept Automat Test & Control Harbin 150001 Peoples R China
Digital watermarking has been presented as a new method for copyright protection. This technique embeds a secret signal in a digital image or video sequence that allows one to establish ownership or identify a buyer. ... 详细信息
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Error Prevention and Concealment for Chinese Calligraphy Based on block truncation coding
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International Journal of Computer Processing of Languages 2002年 第1期15卷 101-113页
作者: KUO-LUNG HUNG CHIN-CHEN CHANG Department of Computer Science and Information Engineering National Chung Cheng University Chaiyi Taiwan 621 R.O.C.
A considerable amount of calligraphy has been accumulated from past Chinese dynasties. With the arrival of the digital era, this calligraphy is being digitalized. However, when digital representations of the calligrap... 详细信息
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Optimisation of multi-level block truncation coding
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SIGNAL PROCESSING-IMAGE COMMUNICATION 2001年 第5期16卷 445-459页
作者: Chan, KW Chan, KL City Univ Hong Kong Dept Elect Engn Kowloon Hong Kong Peoples R China
block truncation coding (BTC) is very attractive for real-time image coding at moderate bit-rate due to its low computation and storage demands. One major artefact of this image compression technique is edge raggednes... 详细信息
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Quadtree-segmented image compression method using vector quantization and cubic B-spline interpolation
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IMAGING SCIENCE JOURNAL 2004年 第2期52卷 106-116页
作者: Chang, CC Chuang, JC Chung, CY Natl Chung Cheng Univ Dept Comp Sci & Informat Engn Chiayi 621 Taiwan Natl Chiao Tung Univ Dept Comp & Informat Sci Hsinchu Taiwan
A novel hybrid image compression method based on quadtree is proposed, involving two techniques: vector quantization (VQ) and cubic B-spline interpolation. Traditional block-based image compression methods, such as VQ... 详细信息
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Multilevel block truncation coding of two steps searching
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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2001年 第8期E84A卷 1977-1980页
作者: Chen, WJ Chung Chou Inst Technol Dept Elect Engn YuanLin 510 Taiwan
In this letter. a new scheme of designing multilevel BTC coding is proposed. The optimal quantization can obtain by selecting the quantization threshold with an exhaustive search. However, it requires an enormous amou... 详细信息
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Quadtree-segmented image compression method using vector quantization and cubic B-spline interpolation
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The Journal of Photographic Science 2004年 第2期52卷 106-116页
A novel hybrid image compression method based on quadtree is proposed, involving two techniques: vector quantization (VQ) and cubic B-spline interpolation. Traditional block-based image compression methods, such as VQ... 详细信息
来源: 评论
Fundamental error analysis and geometric interpretation for block truncation coding techniques
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SIGNAL PROCESSING-IMAGE COMMUNICATION 2000年 第10期15卷 859-867页
作者: Ma, KK Zhu, S Nanyang Technol Univ Sch Elect & Elect Engn Singapore 639798 Singapore Comp Mot Inc Goleta CA 93105 USA
Various variants and hybrid approaches evolved from the origin of Delp and Mitchell's block truncation coding (BTC) or moment preserving quantizer (MPQ) have formed a niche as an effective and simple image compres... 详细信息
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