A scheme for detecting telop character displaying frames in video image which is capable of suppressing erroneous detection of frames without telop characters due to instability of image features is disclosed. In this scheme, each input frame constituting the video data is entered, and whether each input...http://www.google.de/patents/US6366699?utm_source=gb-gplus-sharePatent US6366699 - Scheme for extractions and recognitions of telop characters from video data
