1. A method for detecting a commercial in a video data stream by evaluating descriptor information provided from a plurality of descriptors indicative of commercial or non-commercial features, the method comprising the steps of: detecting a plurality of video data frames in the video data stream; analyzing for each video data frame of the plurality of video data frames sub-areas where an essentially static logo is likely to be broadcasted; generating from the analysis of the sub-areas static area descriptor information; and using the static area descriptor information in the step of evaluating the descriptor information.