Detection of flash illuminated scenes in video clips and related ranking of video clips

摘要

In a method of processing video data in which the video data is extracted to a plurality of frames and the single frames are analysed for detecting a flash illumination each of the frames is segmented into spatial groups of elements of predefined characteristics and each segmented frame is analysed with regard to illumination transition of its segments. This method allows an implementation involving comparably simple computations and improved reliability, reproducibility and traceability can be achieved with it. The method allows the detection of scenes in video clips whose illumination changes noticeably because of flash light sources rather than detecting the flash light sources themselves. Like this, the quality of the video data processing can be improved and the field of its possible applications can be extended. Thus, the method according to the invention allows a comparably simple and efficient video data processing and in particular detection of flash illuminated scenes in video clips and related ranking thereof.