Patent ID: 8472715
Filing Date: 2013-06-25
Classification: B61L,G06K,G06T,G08G

Abstract:
1. A situation determining apparatus for analyzing captured moving images or a plurality of captured still images to determine a movement situation and/or a degree of congestion of persons, the situation determining apparatus comprising: a local image change ratio calculating unit that calculates a time change ratio of a brightness value in a local area of the captured images; and a situation determining unit that analyzes a histogram of the time change ratios of a plurality of local areas calculated by the local image change ratio calculating unit and determines the movement situation of the persons and/or the degree of congestion of the persons, wherein the movement situation includes at least a situation in which a moving route of the persons is limited to a first specific area in which there are moving persons, wherein other persons are standing in a second specific area that is offset from the first specific area in which there are moving persons and to which the moving route is limited.