CREDIT INFORMATION SEGMENT DETECTION METHOD, CREDIT INFORMATION SEGMENT DETECTION DEVICE, AND CREDIT INFORMATION SEGMENT DETECTION PROGRAM

摘要

A credit information segment detection device is equipped with: an input means which inputs the video data of video content; a search starting point determination means which, based on the probability that a credit information high-text-density part wherein text is displayed with a high density exists in a credit display segment, determines a starting point that indicates a time position for starting a credit information search process; and a display segment judgment means which, after the credit information search process with respect to the starting point has been performed, determines a credit information display segment by expanding the segment during which the search process is performed before and after the starting point.