Image analysis – Histogram processing – For setting a threshold
Patent
1991-06-27
1994-03-22
Couso, Jose L.
Image analysis
Histogram processing
For setting a threshold
382 56, 382 57, G06K 936, G06K 940, G06K 946, G06K 903
Patent
active
052972194
ABSTRACT:
An improved method and associated mechanism for facilitating the transformation of digitized images intended for use in a multi-resolution, multi-application environment by performing complex transformations on low resolution image components and approximate transformations on the high level image components so as to reduce computational complexity. In a preferred embodiment of the invention, the transformation operator is executed upon a relatively low spatial resolution file, thereby resulting in a substantial reduction in processing overhead. Advantage is thus taken of the availability of the reduced size of the lower spatial resolution base file within the hierarchical database, so that a relatively complex conversion may be performed on a small number of pixels within the base file, prior to up-converting the image to a relatively high spatial resolution image, such as a 2048.times.3072 pixel image for driving a high resolution digital thermal color printer.
REFERENCES:
patent: 4969204 (1990-11-01), Melnychuck et al.
patent: 4972497 (1990-11-01), Saito et al.
patent: 4979229 (1990-12-01), Moolenaar
patent: 5029228 (1991-07-01), Nonoyama et al.
patent: 5058185 (1991-10-01), Morris et al.
Couso Jose L.
Dugas Edward
Eastman Kodak Company
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