Method and apparatus for coding an image

Details Method and apparatus for coding an image Method and apparatus for coding an image

1990-05-31

1992-03-31

Brinich, Stephen

Image analysis

Histogram processing

For setting a threshold

G06K 936

Patent

active

051014467

ABSTRACT:
A method for coding an image or other two-dimensional data array to provide a sequence of images having differing spatial frequency content is disclosed. The method generates the output images by taking weighted sums of the pixels in the input image. The weights are sets of two-dimensional irreducible scaling and wavelet coefficients.

REFERENCES:
patent: 4802110 (1986-12-01), Richards et al.
patent: 4805129 (1987-10-01), David
patent: 4817182 (1987-05-01), Adelson et al.
Steven J. Leon, "Linear Algebra with Applications", 1980, pp. 71-74, 85-87.

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