All-weather target real-time tracking method based on visible light and infrared images

An infrared image and real-time tracking technology, which is applied in character and pattern recognition, instruments, computing, etc., can solve the problems that the moving target cannot be effectively detected and identified without taking into account the mistracking, and the implementation is complicated, so as to achieve enhanced environmental robustness, The effect of function expansion and high detection rate

Inactive Publication Date: 2017-03-08
NANJING UNIV OF SCI & TECH
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Problems solved by technology

Although it can reduce the influence of light changes and shadows, the algorithm implementation is relatively complicated, and it does not take into account the occurrence of actual applications such as occlusion

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  • All-weather target real-time tracking method based on visible light and infrared images
  • All-weather target real-time tracking method based on visible light and infrared images
  • All-weather target real-time tracking method based on visible light and infrared images

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Embodiment Construction

[0033]It is easy to understand that, according to the technical solution of the present invention, without changing the essence of the present invention, those skilled in the art can imagine various implementations of the present invention's all-weather target real-time tracking method based on visible light and infrared images. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the entirety of the present invention or as a limitation or limitation on the technical solution of the present invention.

[0034] combine figure 1 , the present invention is based on the all-weather target real-time tracking method of visible light and infrared image, and the steps are as follows:

[0035] The first step is to perform image preprocessing on the original visible light image and infrared image to remove image noise and blind pixels. The input visible light image as...

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Abstract

The invention puts forward an all-weather target real-time tracking method based on visible light and infrared images. The method comprises the following steps: preprocessing a visible light image and an infrared image to remove image noise and blind pixels; extracting corners from the visible light image and the infrared image by use of a Harris corner detection method, tracking the detected corners by use of an optical flow method, and registering the visible light image and the infrared image by use of an RANSAC algorithm; performing target detection on the registered images by use of an MHI method, and morphologically processing a detected target by use of a corrosion expansion method; and using a Kalman filter to track and outline the detected target, performing track correlation on the target based on the characteristics of the target, so as to monitor the target in real time. The detection probability of a target in a visible light image and an infrared image can be improved, and a moving target can be detected and identified with high efficiency under multiple spectrums and all weather.

Description

technical field [0001] The invention belongs to the technical field of target monitoring and tracking, and in particular relates to an all-weather real-time target tracking method based on visible light and infrared images. Background technique [0002] With the development of social economy and science and technology, in terms of civilian use, real-time monitoring, detection and tracking of moving targets such as crowds and traffic flow are important public places such as large shopping malls, airports, subways, stations, museums, exhibition halls, etc. Indispensable in management and decision-making. In order to ensure system security and operational efficiency, researches on technologies such as monitoring and tracking of complex moving objects are being actively carried out at home and abroad, in order to form a highly intelligent video surveillance system network. In terms of military applications, the infrared tracking system passively accepts the infrared radiation o...

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Application Information

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IPC IPC(8): G06K9/32
CPCG06V10/255
Inventor 钱惟贤呙星陈钱顾国华任侃周骁骏汪鹏程杨蔚田杰张海越
Owner NANJING UNIV OF SCI & TECH
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