1. A method for camera motion analysis in a video, comprising: analyzing, from the video, video segments with significant movement characteristics and video segments without significant movement characteristics; as for each video segment without significant movement characteristics, if a first motion type corresponding to a preceding neighboring video segment is different from a second motion type corresponding to a succeeding neighboring video segment, lowering detection criterions of the first motion type and the second motion type; judging whether the video segment without significant movement characteristics meet the lowered detection criterions; and merging the video segment without significant movement characteristics with neighboring video segments according to the judging result.