Patent ID: 7627823

Claim:
A system for generating a preview from a video comprising: at least on processor; and at least one memory, coupled to the at least one processor, the memory storing program code, that when executed by the at least on processor executes the steps of: accessing video data, the video data consisting of a plurality of shots or scenes, each shot or scene being a basic unit of the video data; obtaining semantic evaluation information related to the video data, said semantic evaluation information comprising semantic values indicating significance that a shot or scene has in the content represented by the video data; generating one or more positive semantic values for a scene or shot representing complication of the content; generating one or more negative semantic values for a scene or a shot representing tranquility of the content; wherein the magnitude of the semantic value is represented by an absolute value; selecting the scenes or shots such that each of the semantic values of the scenes or shots satisfies a predetermined condition; and generating a preview video by connecting the selected scenes or shots.