Dynamic tile sizing in an image pipeline

Details Dynamic tile sizing in an image pipeline Dynamic tile sizing in an image pipeline

2011-01-04

2011-01-04

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphic processing system

Plural graphics processors

C348S207990, C348S240990

Reexamination Certificate

active

07864182

ABSTRACT:
An image pipeline performs image processing operations (for example, Bayer-to-RGB conversion, white balancing, autoexposure, autofocus, color correction, gamma correction, zooming, unsharp masking, mirroring, resizing, color space conversion) on tiles whose sizes are varied, whose widths are less than the width of the output image frame being generated, and whose heights are less than the height of the output image frame. A tile processor program executing on a processor in the camera determines configuration information for configuring each pipeline stage based on user input and camera usage. The configuration information is determined so that the pipeline outputs properly combine to form the output image frame. The sizes, shapes, locations and processing order of the tiles are determined such that a single tile of a particular size is in a desired location with respect to the overall image frame, thereby facilitating such functions as autofocus, autoexposure and face detection.

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patent: 2004/0012563 (2004-01-01), Papakipos et al.

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