Search

Video content creation and production has reached the masses as almost everyone is now able to create video clips on a daily basis. Video editing is a natural and necessary operation that is most commonly employed by users after video capture. Wireless imaging and video capturing devices, with hardware constraints of memory and processing power, are unable to accommodate conventional spatial domain video editing. In this paper we present a set of algorithms for efficiently performing editing effects on video content. The proposed algorithms, covering intra and inter sequence operations, are applied on H.263 and MPEG-4 compressed video sequences. The techniques ensure that the desired effects are achieved generating standard compliant codestreams, with significant savings in computations compared to the convention approach based on spatial domain editing. [ABSTRACT FROM AUTHOR]

To process or introduce editing effects on JPEG2000 images, we propose techniques applying these operations in the compressed domain. Our approach exploits the properties of the wavelet transform and the rich bitstream syntax of the JPEG2000 standard. The suggested techniques provide significant speed-ups compared to the conventional methods based on spatial domain processing of the decoded images. [ABSTRACT FROM AUTHOR]