Method and apparatus to reduce transform compression visual arti

Details Method and apparatus to reduce transform compression visual arti Method and apparatus to reduce transform compression visual arti

1988-09-09

1990-07-03

Smith, Jerry

Boots, shoes, and leggings

378901, G06F 1548

Patent

active

049396455

ABSTRACT:
A method and apparatus for reducing visual artifacts in medical images reconstructed from compressed imaging data by the approximation of image data rejected during compression. Rejected data is modeled by a statistical distribution such as the Gaussian distribution. The standard deviation of the rejected data is stored with the not-rejected, compressed data. During image reconstruction, the standard deviation is used to approximate the data rejected during compression, and thus to approximate the original image with substantial reduction of visual artifacts.

REFERENCES:
patent: 4654484 (1987-03-01), Reiffel et al.
patent: 4809350 (1989-02-01), Shimoni et al.
patent: 4835607 (1989-05-01), Keith

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