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A target tracking method and device based on llc and frequency-domain residual saliency

A significant and residual technique, applied in the field of image processing, which can solve the problems of lack of robustness and weak robustness

Active Publication Date: 2021-12-14
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, all these features are not robust when used for object tracking
[0004] In summary, the existing technology lacks a robust feature extraction method for target tracking

Method used

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  • A target tracking method and device based on llc and frequency-domain residual saliency
  • A target tracking method and device based on llc and frequency-domain residual saliency
  • A target tracking method and device based on llc and frequency-domain residual saliency

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Embodiment Construction

[0063] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with specific embodiments.

[0064] In order to implement a target tracking method based on LLC and frequency-domain residual saliency, it is necessary to use electronic equipment, such as figure 1 As shown, it includes: a target tracking device, a memory, a storage controller, a processor, a peripheral interface, an input and output unit, an audio unit, and a display unit.

[0065] The memory, storage controller, processor, peripheral interface, input and output unit, audio unit and display unit are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, these units can be electrically connected to each other through one or more communication buses or signal lines. The target tracking device includes at least one sof...

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Abstract

The invention discloses a target tracking method and device based on LLC and frequency-domain residual saliency, relates to the field of image processing, has good robustness, and realizes persistent robust tracking of moving targets under complex conditions. The present invention comprises: obtaining the target image corresponding to the tracking target in the initial frame image and the position point corresponding to the target image, obtaining the LLC feature vector of the matching template; obtaining a plurality of particles in the t-th frame image; obtaining the t-1-th frame The saliency of the target object in the image; determine the sampling particle area corresponding to each particle according to the position of each particle in the t-th frame image and calculate the salience of each particle area, select some particles according to the particle selection mechanism; calculate each Select the LLC eigenvector of the particle area; obtain the optimal position of the target at the corresponding moment of the t-th frame image to achieve persistent robust tracking of the moving target under complex conditions.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a target tracking method and device based on LLC and frequency domain residual saliency. Background technique [0002] In recent years, object tracking technology has been widely studied in the fields of intelligent monitoring, visual guidance, human-computer interaction and so on. At present, the target tracking technology mainly focuses on improving the robustness of the tracking algorithm by improving the target model representation, target tracking and detection methods. [0003] The essence of the object model representation is to extract the features of the object image, transform the object from the image space to the feature space, and improve the distinguishability of the object while reducing the object representation dimension. At present, the commonly used feature extraction methods mainly include color features, texture features, edge features, optical flow features,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/207G06T7/223G06T7/33G06T7/136
CPCG06T7/136G06T7/207G06T7/223G06T7/33G06T2207/10016
Inventor 丁萌张旭曹云峰魏丽时与进
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS