METHOD AND SYSTEM FOR EXTRACTING PARTIAL IMAGE AREA OF VIDEO IMAGE, PROGRAM FOR EXTRACTING PARTIAL IMAGE AREA, DISTRIBUTING METHOD FOR EXTRACTED VIDEO IMAGE AND CONTENTS PREPARING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a method and a system for extracting partial image area of video image, a program for extracting partial image area, a distributing method for extracted video image and a contents preparing method. SOLUTION: The motion compensation data of video images are calculated from continuous video images photographed by a video camera 14 and the camera work of the video camera is estimated from the continuous video images. The central position (xc, yc) of an area 20, which is concerned in the case of photographing, among the photographed video images is estimated from this estimated camera work by using prescribed conditions (rules), image features around the central position of the concerned area 20 are specified, and a partial image including such image features is specified.