Patent ID: 8401310

Claim:
An image comparing method for comparing a plurality of first images and a second image, comprising: converting, by a processor of a computing device, said second image to generate a second numerical data; dividing, by the processor each of a plurality of first numerical data corresponding to said plurality of first images into a plurality of parts, and dividing said second numerical data into a plurality of parts; comparing, by the processor a first part of the divided parts of said plurality of first numerical data and a first part of the divided parts of said second numerical data; outputting, by the processor a first result, when said first part of the divided parts of said plurality of first numerical data satisfies a first condition; and comparing, by the processor a second part of the divided parts of said plurality of first numerical data and a second part of the divided parts of said second numerical data, when the first part of the divided parts of said plurality of first numerical data does not satisfy said first condition.