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Long-term target tracking method

A target tracking and target tracking technology, which is applied in the field of long-term target tracking, can solve problems such as target tracking and loss, and achieve the effect of enhancing tracking effect and improving anti-interference ability

Active Publication Date: 2020-05-01
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

[0007] The purpose of the present invention is to provide a long-term target tracking method, the tracking speed meets real-time requirements, and can solve problems such as target tracking

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Embodiments of the present invention provide a long-term target tracking method, such as figure 1 As shown, it mainly includes:

[0022] Step A1. For a tracked video sequence, predict the tracking target position in the current frame according to the updated correlation filter of the previous frame, and judge the predicted target position according to the response value index related to the predicted tracking target position in the current f...

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Abstract

The invention discloses a long-term target tracking method, and the method comprises the steps: judging the tracking quality of a related filter through a self-adaptive updating strategy, and determining whether related filtering of a current frame is updated or not; when a certain tracking result is unreliable, indicating that the tracking result is likely to be polluted by background pixels, anda target is likely to be lost, so that a candidate of a suspected real target is generated through the re-detection module to find the lost target, the anti-interference capability is greatly improved, and the target tracking effect is enhanced.

Description

technical field [0001] The invention relates to the technical field of computer vision, in particular to a long-term target tracking method. Background technique [0002] With the increasing development of computer vision, visual tracking has been widely used in many computer vision tasks, such as video surveillance, video retrieval and perception systems for unmanned vehicles. Given the position of the object to be tracked in the initial frame, the tracker can follow the object throughout the video sequence. Although visual tracking methods have made great progress, there are still many challenges, such as deformation, occlusion, out-of-view, scale variation, in-plane rotation, etc. [0003] In recent years, methods based on correlation filtering (KCF) (J.F.Henriques, R.Caseiro, P.Martins, and J.Batista, "High-speed tracking with kernelized correlation filters," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol.37, no.3,pp.583-596,2015), due to its high ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/246
CPCG06T7/246G06T2207/10016G06T2207/20081
Inventor 凌强汤峰李峰
Owner UNIV OF SCI & TECH OF CHINA
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