CAMERA STATE MONITOR, CAMERA STATE MONITORING PROGRAM, AND CAMERA STATE MONITORING METHOD

摘要

PROBLEM TO BE SOLVED: To precisely determine defect of a camera. SOLUTION: A camera state monitor includes: a first change rate calculation section 22 which calculates a data quantity when compressing video data photographed by one camera among a plurality of cameras C1to Cnand calculates a change rate from a data quantity when compressing video data photographed before this by the one camera; a camera extraction section 24 which extracts a camera existing within a predetermined distance from the one camera and photographing a predetermined angle range with the angle photographed by the one camera as reference; a second change rate calculation section 26 which calculates the data quantity when compressing the video data photographed by the extracted camera and calculates the change rate from the data quantity when compressing the video data photographed before this by the extracted camera; and a defect determining section 28 which compares the change rate calculated by the first change rate calculation section with the change rate calculated by the second change rate calculation section and determines the defect of the one camera. COPYRIGHT: (C)2011,JPO&INPIT