Video tracking method based on spread fusion

A technology of communication fusion and video tracking, which is applied in the field of video tracking based on communication fusion, can solve problems such as not considering information, and achieve the effect of improving accuracy and high accuracy
CN103714554AInactive Publication Date: 2014-04-09HUAZHONG UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUAZHONG UNIV OF SCI & TECH
Publication Date
2014-04-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a video tracking method based on spread fusion. The method comprises the following steps: (1) a frame of video image t of a known tracking object region is received; (2) the (t+1)th frame of video image is received, and then a candidate object region having a same size as the tth video image tracking object is sampled to form a candidate object set; (3) similarity between objects under character representations of HOG, LBP and Haar-likeare calculated separately to obtain the similarity; (4) spread fusion is performed on the calculated three similarities based on different character representations to fuse the three similarities into a similarity; (5) the candidate object region in the (t+1)th frame of video image having the highest with the known the tth video image tracking object as the position of the tracking object in the frame, and the(t+1)th frame of video image of the tracking object marked with a rectangular frame is outputted; (6) and letst=t+1, and the step (2) to the step (5) are repeated until the video is finished. According to the invention, the similarity between an similarity object and a candidate object is described through multiple similarities based on multiple character representations, so that the object tracking accuracy can be improved.
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Description

Technical field

[0001] The invention relates to tracking a target object in a video, in particular to a video tracking method based on propagation fusion. Background technique

[0002] Video tracking is a very important problem in computer vision and has a wide range of practical applications. Designing a robust video tracking method faces two challenges: on the one hand, the challenge is brought about by changes in the appearance of the target object, such as viewing angle changes, posture changes, and scale changes; on the other hand, the challenge is caused by the target object’s location. The environment is caused by external noise, such as occlusion, background noise, etc.

[0003] In recent years, many robust video tracking methods have been proposed, the most representative of which is a matching-based tracking method, and the method proposed by the present invention also belongs to this type. This method mainly includes two key steps. One is to express the appearance of t...

Claims

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