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Object tracking method and system

A target tracking and target technology, applied in the field of target tracking, can solve problems such as tracking failure and easy loss of targets

Inactive Publication Date: 2009-01-07
VIMICRO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Target tracking in the presence of occlusion is one of the main challenges of target tracking technology. The existing technology cannot solve the problem of target tracking in the presence of occlusion. Therefore, it is easy to lose the target during the tracking process and lead to tracking failure.

Method used

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  • Object tracking method and system
  • Object tracking method and system

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Embodiment Construction

[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings.

[0044] figure 1 It is an exemplary flow chart of the face tracking method in the embodiment of the present invention. Such as figure 1 As shown, the process includes the following steps:

[0045] Step 101, collecting video images of a tracking target.

[0046] Step 102, judging whether the target model of the tracking target has been established at present, if not, execute step 103; otherwise, execute step 104.

[0047] Step 103: Analyze the video image, obtain the area corresponding to the complete target of the tracking target in the video image, and establish a target model of the tracking target according to the acquired area corresponding to the complete target.

[0048] In this step, the area corresponding to the complete target of the tr...

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Abstract

The invention discloses a target tracking method and a system thereof, wherein, the method comprises the following steps: a video image of a tracking target is acquired; before a target model of the tracking target is established, the video image is analyzed to acquire an area corresponding to the complete target of the tracking target in the video image, and a target model of the tracking target is established according to the area corresponding to the acquired complete target; after the target model of the tracking target is established, the video image is analyzed to acquire possible locations in the target area of the tracking target in the current image, and the possible locations in the target area are taken as candidate target areas; the features of each candidate target area are respectively matched with the target mode based on detection of interest points, the partial image feature extraction technology and the pyramid matching algorithm, and the candidate target area with the largest matching result is taken as the current target area of the tracking target. The technical proposal provided by the invention can improve the success rate of tracking.

Description

technical field [0001] The invention relates to target tracking technology, in particular to a target tracking method and system in the case of occlusion. Background technique [0002] Object tracking is an important research field of computer vision, and it has important applications in many occasions such as video surveillance, human-computer interaction, and access control. [0003] Occlusion means that a part or even all of the moving target is blocked by objects in the background and cannot be seen in the image. Target tracking in the presence of occlusion is one of the main challenges of target tracking technology. The existing technology has not been able to solve the problem of target tracking in the presence of occlusion, so it is easy to lose the target during the tracking process and lead to tracking failure. Contents of the invention [0004] In view of this, the present invention provides an object tracking method on the one hand, and an object tracking syste...

Claims

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Application Information

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IPC IPC(8): G06T7/20
Inventor 王磊邓亚峰黄英
Owner VIMICRO CORP
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