JPEG processing engine for low profile systems

Details JPEG processing engine for low profile systems JPEG processing engine for low profile systems

2008-05-01

2010-02-23

Mehta, Bhavesh M (Department: 2624)

Image analysis

Image compression or coding

Substantial processing of image in compressed form

C382S232000

Reexamination Certificate

active

07668385

ABSTRACT:
A method is provided for processing minimum coded units (MCUs) in a Joint Photographic Expert Group (JPEG) bit stream representing an image. A data structure is generated for storing MCU block numbers, corresponding MCU block coordinates, and corresponding MCU block editing lists. When an editing operation to the image is received, the editing operation is saved to a group of the MCU block editing lists of a group of the MCUs affected by the editing operation. Later the MCUs are retrieved from the JPEG bit stream one at a time and then processed according to the editing operations in the corresponding MCU blocking editing lists.

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