Patent ID: 6351550
Filing Date: 2002-02-26
Classification: G06K,G06T

Abstract:
A seal imprint verifying apparatus for verifying whether or not a target seal imprint stamped on a target surface agrees with a reference seal imprint registered in advance, comprising:image data capturing means for capturing an image data of said target surface; color information extracting means for extracting an image data having color including at image data of said target surface; size information extracting means for respectively comparing a horizontal size and a vertical size of each of objects having a color equivalent to said target seal imprint included in the image data extracted by said color information extracting means with a horizontal size and a vertical size of said reference seal imprint, removing objects having the size differing from said reference seal imprint, and extracting a residual object as an image data of said target seal imprint recognized as having the size equivalent to said reference seal imprint; and determining means for comparing the image data of said reference seal imprint and the image data of said target seal imprint to determine whether or not both image data agree with each other.