Process and apparatus for pseudo-SIMD processing of image data

Details Process and apparatus for pseudo-SIMD processing of image data Process and apparatus for pseudo-SIMD processing of image data

1995-03-08

1996-10-15

Boudreau, Leo

Image analysis

Image transformation or preprocessing

382307, 364723, 36471014, 36471502, G06K 936

Patent

active

055662501

ABSTRACT:
Methods and apparatuses for processing pixel images using conventional non-parallel processors. At least two values corresponding to at least two different pixels of the image are loaded into a register of a conventional non-parallel processor. An operation is then performed on the register, whereby the operation is applied to the multiple values in the register in parallel. In preferred embodiments of the present invention, vector dequantization is implemented on either 32-bit or 16-bit conventional non-parallel processors by (1) loading two (or more) pixel values corresponding to a previous image into a first register, (2) loading two pixel differences corresponding to a current image into a second register, and (3) generating two pixel values corresponding to the current image by generating the sum of the values in the first and second registers.

REFERENCES:
patent: 4717957 (1988-01-01), Santamaki et al.
patent: 5128759 (1992-07-01), Matsunaga
patent: 5157388 (1992-10-01), Kohn
patent: 5291283 (1994-03-01), Kondo et al.
patent: 5309527 (1994-05-01), Ohki

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