Patent Document ID: 9298987
Application ID: 14043205
Patent Status: 1

Claim One:
1. An information processing apparatus, comprising: an input unit configured to input a plurality of temporally continuous images taken by an image pickup apparatus; an attention object detection unit configured to detect an attention object as an attention target from a first image taken at a first time point out of the plurality of temporally continuous images, wherein the plurality of temporally continuous images are obtained by taking images of a predetermined image pickup space; a difference detection unit capable of detecting a difference between a reference image and each of the plurality of temporally continuous images, wherein the reference image is obtained by taking an image of the predetermined image pickup space in a reference state; a calculation unit configured to compare the first image with one or more second images taken at a time point previous to the first time point, to calculate a second time point, when the attention object appears in the continuous plurality of images; and a person object detection unit capable of detecting a person nearest to the attention object in the image at the second time point.