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Target tracking method and system based on image block characteristics

A target tracking and image block technology, applied in the field of image processing, can solve the problem of low target tracking accuracy, and achieve the effects of improving anti-interference ability, saving time and enhancing anti-interference ability.

Active Publication Date: 2012-01-18
ZHUHAI GAOLING INFORMATION TECH COLTD
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Problems solved by technology

[0008] The present invention provides a target tracking method and tracking system based on image block features, which can solve the problem of low target tracking accuracy in the prior art

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  • Target tracking method and system based on image block characteristics
  • Target tracking method and system based on image block characteristics
  • Target tracking method and system based on image block characteristics

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Embodiment Construction

[0043] The following will be combined with figure 1 , 2 , 3 or 4 clearly and completely describe the technical solutions of the various embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. The object tracking method and tracking system based on the present invention can solve the problem of low accuracy of object tracking in the prior art.

[0044] The present invention provides a kind of target tracking method based on image block feature, comprises the following steps:

[0045] Establishing a benchmark target template according to the features of the benchmark target image block and the background image block;

[0046] Comparing the similarity between the features of the target to be determined and the features of the reference target image block in the reference target template;

[0047] Determine the undetermined target position according to the similarity comparison result...

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Abstract

The invention relates to the technical field of image processing and particularly relates to a target tracking method and system based on image block characteristics, and the method and the system can be used for increasing the accuracy in tracking a moving target. The tracking method comprises the steps of: establishing a reference target template based on the characteristics of a reference target image block and a background image block; performing similarity comparison on the characteristics of an undetermined target and the characteristics of the reference target image block in the reference target template; and determining the position of the undetermined target according to a similarity comparison result. The tracking system comprises a module for establishing the reference target template according to the characteristics of the reference target image block and the background image block; a module for performing similarity comparison on the characteristics of the undetermined target and the characteristics of the reference target image block in the reference target template; and a module for determining the position of the undetermined target according to the similarity comparison result.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an object tracking method and tracking system based on image block features. Background technique [0002] The moving target tracking algorithm is a relatively basic and relatively important part of video intelligent analysis. It mainly refers to a technology that automatically tracks and detects the moving target in the video frame sequence by defining the corresponding mathematical model and detection algorithm. [0003] When tracking a moving target, it is necessary to model and express the moving target. The main ways are to use a point-based model, a contour-based model, and a density-kernel-based model. These methods first build a model according to the moving target to be tracked, and then perform model matching online to obtain the effect of moving target tracking. The use of point-based models is mainly to use filters and other methods to extract key points (ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/32G06T7/20
Inventor 林倞周宏斐胡赟江波
Owner ZHUHAI GAOLING INFORMATION TECH COLTD
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