Automatic verification system for seal imprints on Japanese bankchecks

We propose an automatic seal imprint verification system composed of a seal imprint extraction stage and a verification stage. It is assumed that each seal imprint is affixed on a bankcheck which has a background pattern and a signature. The extraction stage to separately extract the seal imprint and the signature from a background consists of 3 steps: the transformation of RGB color bankcheck image into HSV color space, the extraction of seal...