Method for retrieving similar video clips based on sports competition videos
A technology of video fragments and fragments, which is applied in the field of computer vision, can solve the problems of high dimensionality, long retrieval time, and large amount of data, and achieve the effects of reducing query time, satisfying retrieval time, and ensuring retrieval accuracy
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[0023] Step 1: Query video analysis
[0024] Since video is a relatively complex media in multimedia, it includes sound, image, and text. It is a collection of a series of frames continuous in time, and it is a stream data without structure. If it is not organized and managed effectively Fast and efficient video retrieval cannot be completed. In the present invention, a three-layer structure of video-sub-segment-key frame is used to represent the video segment. After effectively representing a video segment, it is necessary to extract suitable underlying features for subsequent calculations. In the present invention, for a specific type of video-sports game video, we only select color or brightness information as the underlying feature, which is simple and fast, and has good robustness and generalization performance.
[0025] An exemplary implementation of step 1 is as follows:
[0026] (1) Segmentation of sub-segments
[0027] Two different sub-segment segmentation method...
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