Video Resizing for Mobile Device

This paper proposes a video retargeting method. The method makes multimedia more suitable for ubiquitous video access, including comfortable watching, interesting region detection and safety transmitting. Because of the rapid progress of electronic commercial product, video service needs to adapt different device. There are some challenges: First at all, the resolution, aspect ratio and size of display are different from the original video. Secondly, people do not have interesting on the whole movie. Based on face recognition, adaptive showing region function has been implemented. Some demonstrations are also presented.