Recent advances and challenges in TV structuring

TV represents a huge source of data. Even if a TV stream exhibits a strong structure to the viewer, in terms of programs and breaks, this structure is completely implicit in the stream, which is a simple sequence of images and audio frames. This paper presents recent works achieved to recover the structure of such a stream. 4 categories of works are presented, as well as their results and respective requirements in term of annotation. The paper ends by outlining the challenges to be solved in this largely opened field of research.