Deterministic prediction in an image processing system

Details Deterministic prediction in an image processing system Deterministic prediction in an image processing system

2006-02-14

2006-02-14

Couso, Jose L. (Department: 2621)

Image analysis

Image compression or coding

Predictive coding

Reexamination Certificate

active

06999627

ABSTRACT:
Embodiments of the present invention relate to deterministic prediction in an image processing system. One aspect relates to an image processing system having a deterministic prediction decode unit for predicting individual pixels of an image based on a predetermined deterministic prediction algorithm. The deterministic prediction decode unit includes a look-up table, organized into four spatial phases, for storing values to be used by the predetermined deterministic prediction algorithm when converting a relatively low resolution image to a relatively higher resolution image. A prediction is made for a target pixel by accessing at least two of the four spatial phases of the look-up table to read at least two possible values of the target pixel. In one embodiment, the value of two target pixels can be provided within a same clock period, thus allowing for the decoding of two spatial phases with each access to the look-up table.

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International Telecommunication Uniot, ITU-T Telecommunication Standardization Sector of ITU, T.82 (Mar. 1993), Terminal Equipment and Protocols for Telematic Services, Information Technology—Coded Representation of Picture and Audio Information—Progressive Bi-Level Image Compression, ITU-T Recommendation T.82 (Previously “CCITT Recommendation”, pp. i-100.

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