Image compression method

Details Image compression method Image compression method

1992-08-25

1994-05-17

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358433, G06K 900

Patent

active

053135342

ABSTRACT:
A method for the compression of images comprises two steps. A first step of vector quantization compresses a source image into an image of indices that is coherent in relation to the source image. A second step again compresses this image of the indices according to a prediction method using a network of multilayer neurons. Application: compression of images for their storage and transmission.

REFERENCES:
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patent: 4797739 (1989-01-01), Tanaka
patent: 5048112 (1991-09-01), Alves et al.
H. M. Jung et al, "Adaptive Vector Quantization Based Upon . . . Sequence Coding", Trans. of Inst. of Electronis, Inf. & Comm. Engineers, vol. 73, No. 9 Sep. 1990 pp. 1493-1502.
J. A. Kangas et al, "Variants of Self-Or-anizing Maps", IEEE Trans. on Neural Networks, vol. 1, No. 1, Mar. 1990, pp. 93-99.
Y. Linde et al, "An Algorithm for Vector Quantizer Design", IEEE Trans. on Comm., vol. COM28, No. 1 Jan. 1990, pp. 84-95.
N. Nasrabadi et al, "Image Coding Using Vector Quantization: A Review", IEEE Trans. on Comm ., vol. 36, No. 8 Aug. 1988, N.Y. pp. 957-971.

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