IMAGE ANALYSIS DEVICE, PERSON SEARCH SYSTEM, AND PERSON SEARCH METHOD

• Main Authors: NAKAMAE Hiromu, HIROIKE Atsushi, AKIRA Naoto, IMADA Tsutomu
• Format: Patent
• Language: English; French; German
• Published: 07.04.2021
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

An object is to provide a video analysis apparatus allowing accurate execution of association of particular persons in videos from a plurality of cameras and retrieval, from the videos, of a person designated as a person on a blacklist. The video analysis apparatus is a video analysis apparatus connected to an image capturing apparatus including a plurality of cameras, in which the video analysis apparatus, for a plurality of persons in images captured by the cameras, tracks at least one of the plurality of persons, detects a plurality of parts of the tracked person, and for the plurality of parts detected, on the basis of information defining scores used to determine a best shot of each of the parts, computes a score for the part for each of frames of videos from security cameras, compares, for each of the parts, the scores for each part computed for each of the frames to determine a best shot of each of the parts, stores, for each of the parts, a feature value in association with the part, and compares the feature values of each of the parts of the plurality of persons to determine identity of the persons.