Method and apparatus employing composite transforms of intermedi

Details Method and apparatus employing composite transforms of intermedi Method and apparatus employing composite transforms of intermedi

1995-09-29

1998-07-28

Fetting, Anton

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

G06K 938

Patent

active

057868239

ABSTRACT:
An image signal transform mechanism employs one or more composite transforms that convert image bearing-signals corresponding to unrendered input images into output device-associated colorimetry values. Through a first sequence of transformations, the image bearing signals are related to database color encoding values. The database color encoding values incorporate corresponding colorimetric values required to match, in an encoding viewing environment, the appearance of the images in the input viewing environment. Through a second transformation sequence the database color encoding values are transformed into modified colorimetry values in terms of a viewing environment. Through a third transformation sequence, the modified colorimetry values are related to the output device-associated colorimetry values. The at least one composite transform (e.g., a single transform) is representative of plural transformations (all or some) within the first, second and third transformations sequences.

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