Patent ID: 11881045
Assignee: RAKUTEN GROUP, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A region extraction device comprising:
at least one memory configured to store computer program code;
at least one processor configured to access the computer program code and operate as instructed by the computer program code, the computer program code including:
frame image acquisition code configured to cause at least one of the at least one processor to acquire a first frame image and a second frame image which are temporally successive;
motion information acquisition code configured to cause at least one of the at least one processor to acquire, based on the acquired first frame image and second frame image, motion information indicating a region where a motion exists in the first frame image;
detection code configured to cause at least one of the at least one processor to detect, based on the acquired first frame image, positions of an elbow and a wrist of a human body from the region where the motion exists indicated by the acquired motion information; and
extraction code configured to cause at least one of the at least one processor to extract, based on the detected positions, a region corresponding to a part, of the region where the motion exists indicated by the acquired motion information, located in a human body hand's side of the wrist.