Stereographic image compression with adaptive control parameter

Details Stereographic image compression with adaptive control parameter Stereographic image compression with adaptive control parameter

1998-07-09

2000-08-01

Couso, Jose L.

Image analysis

Image compression or coding

G06K 936

Patent

active

060978449

ABSTRACT:
A stereographic image compressor (100) includes an Image Size and Position Unit (ISPU) (101) that resizes and repositions a pair of images which are indicative, respectively, of first and second fields of view (111,114) of an image (104) and which are generated by a pair of image sensor arrays (106,108). The ISPU (101) causes both images to have a same size and position. The ISPU (101) generates a first modified image signal (103) and a second modified image signal (105) indicative of such resized and repositioned images. A function processing unit (118) generates a difference signal (120) indicative of differences between the first modified image signal (103) and the second modified image signal (105). The difference signal (120) is compressed by a lossy compressor (122) for storage on a storage device (102). The first modified image signal (103) is also compressed by a lossy compressor (124) for storage on the storage device (102). The image signals (110 and 112) are time synchronized by an image data synchronizer (116). The function processing unit (118) generates difference signal (120) by way of one of a plurality of mathematical operations. An adaptive processing unit (130) adaptively generates, during a calibration mode, size and position information (132,134) for use by the ISPU (100) and also generates weighting parameters (136) for use by the function processing unit (118).

REFERENCES:
patent: 5748199 (1998-05-01), Palm

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