Patent ID: 8432445
Filing Date: 2013-04-30
Classification: G06T

Abstract:
1. An image processing apparatus for processing frames captured by a camera device, comprising: an image information acquisition unit that acquires image information including a plurality of frames sequentially captured by the camera device in time series; an accumulation subtraction image information creation unit that accumulates binarized subtraction image information including a plurality of binarized subtraction images each acquired by subtracting a predetermined frame from a corresponding frame in the image information, the binarized subtraction image information being made by motions of one or more persons present in a room, and creates multivalued accumulation subtraction image information including a plurality of multivalued accumulation subtraction images each acquired by adding a predetermined number of corresponding binarized subtraction images in the binarized subtraction image information; a feature amount information creation unit that creates feature amount information from the multivalued accumulation subtraction image information, the feature amount information including a plurality of feature amounts, one feature amount created from a brightness change region where there are brightness gradients in a corresponding multivalued accumulation subtraction image; and an action content identification unit that identifies an action content of the persons from the feature amount information.