Target tracking method and device based on SIFT
A target tracking and target technology, applied in the field of image processing, can solve the problems of weakening target tracking ability, aggravating tracking, target loss, etc., and achieve the effect of reducing computational complexity, improving accuracy and robustness
Active Publication Date: 2020-07-17
SHENZHEN UNIV
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Problems solved by technology
Target occlusion leads to the loss of target information, and long-term target occlusion aggravates the difficulty of tracking, and the location of the target is more difficult to predict
In addition, in the process of target occlusion, it is inevitable to add background noise to the appearance information of the target, which weakens the ability of target tracking.
Most of the existing target tracking algorithms do not have the ability to adapt to the long-term occlusion of the target or cannot continue to track the target lost after the long-term occlusion of the target, and cannot achieve the purpose of continuous tracking
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[0053] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention should not be construed as limiting the protection scope of the present invention.
[0054] In the description of the present invention, several means one or more, and multiple means two or more. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.
[0055] In the description o...
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The invention discloses a target tracking method and device based on SIFT. Matching points corresponding to a global image of an initial target image and a global image of a current frame target tracking image are determined by adopting an SIFT method; obtaining a final matching point after screening, obtaining a prediction target image through the final matching point, and judging whether the prediction target image is correct or not through color matching, thereby achieving the target tracking in a long-term shielding state. The calculation complexity of target tracking is reduced, and the target tracking accuracy and robustness are improved.
Description
technical field [0001] The invention relates to image processing technology, in particular to a SIFT-based target tracking method and device. Background technique [0002] Computer vision is one of the hottest research directions in the field of artificial intelligence. Object tracking is an important part of the field of computer vision and has broad application prospects. But the problem of target occlusion is still a difficult point. Target occlusion leads to the loss of target information, and long-term target occlusion aggravates the difficulty of tracking, and the location of the target is more difficult to predict. In addition, in the process of target occlusion, it is inevitable to add background noise to the appearance information of the target, which weakens the ability of target tracking. Most of the existing target tracking algorithms do not have the ability to adapt to the long-term occlusion of the target or cannot continue to track the target lost after the...
Claims
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IPC IPC(8): G06T7/246G06K9/46G06K9/62
CPCG06T7/246G06V10/462G06F18/23Y02T10/40
Inventor 谢维信陈富健
Owner SHENZHEN UNIV