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检索条件"主题词=fractal image coding"
99 条 记 录,以下是61-70 订阅
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A HIGH SPEED ADAPTIVE fractal image coding ALGORITHM USING FLEXIBLE CLASSIFICATION TECHNIQUE
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Wuhan University Journal of Natural Sciences 1998年 第2期3卷 146-146页
作者: Zhang Liang Li Weihua Wang Qiao College of Computer Science and Technology Wuhan University Wuhan China
Traditionally, fractal image compression suffers from lengthy encoding time in measure ofhours. In this paper, combined with characteristlcs of human visual system, a flexible classification technique is proposed. Thi... 详细信息
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Digital watermarking using DCT fractal coding without original image information
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ELECTRICAL ENGINEERING IN JAPAN 2006年 第4期157卷 48-55页
作者: Ohta, Masaya Yamashita, Tomohito Sato, Akihisa Yamashita, Katsumi Osaka Prefecture Univ Sakai Osaka Japan
This paper proposes a digital watermarking scheme based on fractal image coding with DCT coefficient and needs no information about the original image. In previous work, we have proposed the digital watermarking schem... 详细信息
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Multi-scale fractal coding for Single image Super-Resolution
Multi-scale Fractal Coding for Single Image Super-Resolution
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10th International Conference on Intelligent Computing (ICIC)
作者: Xie, Wei Liu, Jiwei Shao, Lizhen Jing, Fengwei Univ Sci & Technol Beijing Sch Automat & Elect Engn Beijing 100083 Peoples R China
fractal image coding can specially utilize spatial information and self-similarity structural information of an image to achieve image super-resolution. However, fractal image coding based on single scale brings the p... 详细信息
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Iteration-Free fractal Mating coding for Mutual image Compression  4
Iteration-Free Fractal Mating Coding for Mutual Image Compre...
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4th International Symposium on Computer, Consumer and Control (IS3C)
作者: Hsu, Chih-Chung Natl Pingtung Univ Sci & Technol Dept Management Informat Syst Pingtung 91201 Taiwan
An iteration-free fractal mating coding (IFMC) method for mutual image compression is proposed in this paper. To avoid the iteration process in the decoder, the mean image is used to generate the domain pool in both t... 详细信息
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image superresolution using fractal coding
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OPTICAL ENGINEERING 2008年 第1期47卷 017007-1-017007-1页
作者: Chen, Yuanxu Luo, Yupin Hu, Dongcheng Tsinghua Univ Dept Automat Beijing 100084 Peoples R China
We address the problem of image superresolution and present a novel approach to single-frame superresolution using fractal image coding. The proposed approach takes great advantage of the properties of fractals-resolu... 详细信息
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A new affine transformation: Its theory and application to image coding
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1998年 第3期8卷 269-274页
作者: Zhao, Y Yuan, BZ No Jiaotong Univ Inst Informat Sci Beijing 100044 Peoples R China
The fractal image coding technique has attracted a degree of interest for its low bit rate. But the reconstructed image is of medium quality. This problem has prevented the fractal technique from being practically use... 详细信息
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Hidden variable vector valued fractal interpolation functions
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fractalS-COMPLEX GEOMETRY PATTERNS AND SCALING IN NATURE AND SOCIETY 2005年 第3期13卷 227-232页
作者: Bouboulis, P Dalla, L Univ Athens Dept Informat & Telecommun Athens 15784 Hellas Greece Univ Athens Dept Math Athens 15784 Hellas Greece
We present a method of construction of vector valued bivariate fractal interpolation functions on random grids in R-2. Examples and applications are also included.
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fractal image compression with region-based functionality
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IEEE TRANSACTIONS ON image PROCESSING 2002年 第4期11卷 351-362页
作者: Belloulata, K Konrad, J Univ Sherbrooke Dept Genie Elect & Genie Informat Sherbrooke PQ J1K 2R1 Canada Boston Univ Dept Elect & Comp Engn Boston MA 02215 USA
Region-based functionality offered by the MPEG-4 video compression standard is also appealing for still images, for example to permit object-based queries of a still-image database. A popular method for still-image co... 详细信息
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fractal-wavelet image denoising revisited
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IEEE TRANSACTIONS ON image PROCESSING 2006年 第9期15卷 2669-2675页
作者: Ghazel, Mohsen Freeman, George H. Vrscay, Edward R. Univ Waterloo Fac Engn Dept Elect & Comp Engn Waterloo ON N2L 3G1 Canada Univ Waterloo Fac Math Dept Appl Math Waterloo ON N2L 3G1 Canada
The essence of fractal image denoising is to predict the fractal code of a noiseless image from its noisy observation. From the predicted fractal code, one can generate an estimate of the original image. We show how w... 详细信息
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image compression using recurrent bivariate fractal interpolation surfaces
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INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS 2006年 第7期16卷 2063-2071页
作者: Bouboulis, P. Dalla, Leoni Drakopoulos, V. Univ Athens Dept Informat & Telecommun Telecommun & Signal Pr Athens 15784 Greece Univ Athens Dept Math Math Anal Athens 15784 Greece Univ Athens Dept Informat & Telecommun Theoret Informat Athens 15784 Greece
A new method for constructing recurrent bivariate fractal interpolation surfaces through points sampled on rectangular lattices is proposed. This offers the advantage of a more flexible fractal modeling compared to pr... 详细信息
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