Determining edgeless areas in a digital image

Details Determining edgeless areas in a digital image Determining edgeless areas in a digital image

2011-04-19

2011-04-19

Carter, Aaron W (Department: 2624)

Image analysis

Image segmentation

Reexamination Certificate

active

07929762

ABSTRACT:
A computer program product and method for locating edgeless areas within digital images, by locating a pixel with a luminance value that does not vary from its major neighbors by more than a fixed tolerance, and seeking to expand an edgeless area about such pixel by examining the variance in luminance of pixels about the selected pixel and if within a preset tolerance, including such neighbors within an edgeless area, and optionally further including pixels otherwise not includable within the edgeless area if local variations in luminance suggest a noisy background for which the tolerance may be increased.

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