Patent Number: 8,577,152

Title: Method of and apparatus for classifying image

Abstract: A method and apparatus that classify an image. The method extracts a feature vector from the image, wherein the feature vector includes a plurality of first features. The extracting of each of the first features includes: acquiring a difference between sums or mean values of pixels of the plurality of first areas in the corresponding combination to obtain a first difference vector in the direction of the first axis, and obtaining a second difference vector in the direction of the second axis. A first projection difference vector is acquired with a second projection difference vector. A sum of magnitudes of the first projection difference vector and the second projection difference vector as the first feature is obtained; and the image according to the extracted feature vector is classified.

Inventors: Zhang; Lun (Beijing, CN), Wu; Weiguo (Beijing, CN)

Assignee: Sony Corporation

International Classification: G06K 9/46 (20060101)

Expiration Date: 1/05/12017