一种新的分形图象压缩编码方法
A NEW FRACTAL IMAGE CODING METHOD
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摘要: 本文首先研究了一般分形图象压缩方法存在的缺陷,然后对它进行了改进.最后在DCT域进行进一步改进。实验结果表明,与原来方法相比较,改进后的方法具有明显的优越性。Abstract: Some shortcomings of common fractal image coding methods are studied, then they are corrected with a new method. The new method is improved further in DCT domain. Coding results show the advantage of the new method.
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Mandelbrot B B. The Fractal Geometry of Nature. San Francisco: Freeman, 1982.[2][2][3]Barnsly M F, Sloan A D. A better way to compress images. Byte, 1988, 13(1): 215-233.[4]Jacquin A E. Fractal Image Coding Based on a Theory of Iterated Contractive Image Transformations. SPIE Vol. 1360 Visual Communications and Image Processing, 1990, 227-239.[5]房育栋,余英林快速分形图象压缩编码电子学报,1996, 24(1): 28-33.[6]Monro D M, Woolley S J. Fractal Image Compression Without Searching. IEEE ICASSP, Adelaide, South Australia: 1994, V.557-560.[7]Oien G E, Lepsoy S. An Inner Product Space Approach to Image Coding by Contractive Transformations. IEEE ICASSP Toronto, Ontario, Canada: 1991, 2773-2776. -
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