Patent ID: 7636180
Filing Date: 2009-12-22
Classification: G06K,G06T

Abstract:
1. A method for smoothing a jagged outline of a test image, the method comprising: locating a horizontal edge of the text image by examining a first group of neighboring pixels around the text outline, identifying a first row of pixels in the first group that comprises ink pixels, identifying a second row in the first group that comprises background pixels, and identifying a third row of pixels between the first and second rows, wherein the third row comprises the horizontal edge; locating a vertical edge of the text image by examining a second group of neighboring pixels around the text outline, identifying a first column of pixels in the second group that comprises ink pixels, identifying a second column of pixels in the second group that comprises ink pixels, and identifying a third column of pixels between the first and second columns, wherein the third column comprises the vertical edge; smoothing the horizontal and vertical edges; locating slanted edges of the text image; and smoothing the slanted edges.