Detection of commercials in video content based on logo presence without its prior knowledge

Among many methods for commercial detection in TV video content the most precise and most used one in software today is the method of recognizing logo presence, and freeware as well as shareware software using it usually needs some data about the channel logo. In this paper a commercial detection method is described which is also based on logo recognition, but without need of any prior knowledge of logo data like shape, position or colors. Applying the method on several test videos showed a 100% recognition of commercial presence and about 80% of correct determination of the begin and the end of commercials whereby videos with noise were also used.