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; lowering, for each video segment without significant movement characteristics, detection criterions of a first motion type and a second motion type when the first motion type corresponding to a preceding neighboring video segment is different from the second motion type corresponding to a succeeding neighboring video segment; judging whether the video segment without significant movement characteristics meet the lowered detection criterions; and merging the video segment without significant movement characteristics with one or more neighboring video segments according to a result of the judging.