Image analysis – Image compression or coding – Transform coding
Patent
1996-06-07
1998-11-17
Couso, Jose L.
Image analysis
Image compression or coding
Transform coding
382232, G06K 936, G06K 946
Patent
active
058388338
ABSTRACT:
Image compression is accomplished by dividing an image into blocks which are encoded and compressed by finding similarities among the blocks. Image quality and speed are increased through several mechanisms such as varying the size of the blocks when image edges or test is present, by comparing the image blocks to prestored image patterns rather than other portions of the image, using raw data rather than compressed data under certain conditions and the use of inspection areas to increase the possibility of finding the most similar area quickly.
REFERENCES:
patent: 4941193 (1990-07-01), Barnsley et al.
patent: 5065447 (1991-11-01), Barnsley et al.
patent: 5553160 (1996-09-01), Dawson
Arnaud E. Jacquin, Image Coding Based on a Fractal Theory of Iterated Contractive Image Transformation, IEEE Transactions on Image Processing, vol. 1, No. 1, Jan. 1992, pp. 18-30.
Ishikawa Atsushi
Itoh Tetsuya
Couso Jose L.
Minolta Co. , Ltd.
Novik Dimitry A.
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