Video content creation and consumption have been increasingly available for the masses with the emergence of handheld devices capable of shooting, downloading, and playing videos. Video editing is a natural and necessary operation that is most commonly employed by users for finalizing and organizing their video content. With the constraints in processing power and memory, conventional spatial domain video editing is not a solution for mobile applications. In this paper, we present a complete video editing system for efficiently editing video content on mobile phones using compressed domain editing algorithms. A critical factor from usability point of view is the processing speed of the editing application. We show that with the proposed compressed domain editing system, typical video editing operations can be performed much faster than real-time on today's S60 phones.

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