Intelligent video tracking method based on immune genetic particle filtering

A particle filtering and video tracking technology, applied in image data processing, instrumentation, computing, etc., can solve problems such as mistracking, reduced information capacity of particle sets, and difficulty in improving observation models, so as to reduce the probability of mistracking, The effect of increasing the number of effective particles and increasing diversity

Inactive Publication Date: 2010-10-27
DONGHUA UNIV
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Problems solved by technology

Under normal circumstances, it is difficult to improve the observation model greatly, so the research on the problem of eliminating sample poverty has attracted more people's attention
The "sample poverty" problem stems from the resampling process. Due to the excessive copying of high-weight particles, the number of effective particles decreases after r

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  • Intelligent video tracking method based on immune genetic particle filtering
  • Intelligent video tracking method based on immune genetic particle filtering
  • Intelligent video tracking method based on immune genetic particle filtering

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Embodiment Construction

[0029] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0030] The embodiment of the present invention relates to an intelligent video tracking method based on immune genetic particle filter, including particle sampling, particle weight calculation, state estimation output, immune genetic particle set optimization, resampling and other steps to realize intelligent video tracking. The invention adopts the idea of ​​immune genetic algorithm, and optimizes the particle set through oper...

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Abstract

The invention relates to an intelligent video tracking method based on immune genetic particle filtering, which comprises the following steps: initializing and sampling particles, calculating the weighted value of the particles, estimating and outputting the state, calculating the number of effective particles, and if the number of effective particles is smaller than the preset threshold, optimizing the set of immune genetic particles, otherwise, directly sampling particles again. The invention adopts the principle of the immune genetic algorithm, and realizes the optimization of the particle set through fitness calculation, memory unit updating, inhibition of the antibody concentration, promotion, crossover, variation and other types of operation, so that novel particles can be generated on the premise that the effectiveness of particles with high weighted values is maintained, thereby improving the diversity of particle sets and the number of effective particles. The novel particles can better express the true state of the target, thereby enhancing the robustness and effectiveness of the intelligent video tracking and reducing the risk of mistaken tracking.

Description

technical field [0001] The invention relates to the technical field of intelligent video processing, in particular to an intelligent video tracking method based on immune genetic particle filter. Background technique [0002] The traditional video surveillance system can only obtain clues through the playback of video images after the occurrence of hazardous events, which cannot fundamentally reduce the occurrence of hazardous events. The intelligent video surveillance system can issue early warnings before harmful events occur, so as to prevent problems before they happen. In the intelligent video surveillance system, the intelligent analysis system is the most critical component. It currently has two architectures, namely embedded video analysis and pure software video analysis. Regardless of the architecture, the intelligent video analysis software must complete the target All functions such as detection, tracking, classification and rule definition. After the target is...

Claims

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Application Information

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IPC IPC(8): G06T7/20
Inventor 丁永生韩华郝矿荣
Owner DONGHUA UNIV
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