Foreground erosion method and system for Multiple Raster...

Details Foreground erosion method and system for Multiple Raster... Foreground erosion method and system for Multiple Raster...

2007-09-11

2007-09-11

Bella, Matthew C. (Department: 2624)

Image analysis

Image enhancement or restoration

Object boundary expansion or contraction

C382S258000, C382S308000

Reexamination Certificate

active

10612063

ABSTRACT:
A foreground erosion method is used to meet thin (but unbroken) text requirements using linear YCC segmentation. The method uses a fixed value subtracted from a gray selector signal, thereby thinning/eroding the foreground. In cases where the pixel would be converted from foreground to background, this is only done if a neighborhood test verifies that the thinning won't result in broken lines. The foreground erosion method attempts to match a couple of templates wherein if a match is found, then the adjustment is performed.

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