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Pedestrian detection system and method based on adaptive clustering analysis

An adaptive clustering and pedestrian detection technology, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve the problem that cannot meet the complex and changeable actual traffic road environment and affect the reliability and robustness of the pedestrian detection system , increase the difficulty of pedestrian detection and other issues

Inactive Publication Date: 2014-02-05
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

Certain prior knowledge is required, that is, the number of subsets must be set in advance, which cannot meet the complex and changeable actual traffic road environment, and seriously affects the reliability and robustness of the pedestrian detection system
And the laser detector moves with the vehicle, further increasing the difficulty of pedestrian detection

Method used

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  • Pedestrian detection system and method based on adaptive clustering analysis
  • Pedestrian detection system and method based on adaptive clustering analysis
  • Pedestrian detection system and method based on adaptive clustering analysis

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Embodiment

[0064] like figure 1 As shown, this embodiment discloses a pedestrian detection system based on adaptive cluster analysis, including a laser range finder 1 and a microcomputer part 2 connected to each other; laser range finder 1: used to emit a laser beam, and obtain the Laser signals reflected by obstacles form laser cloud point data;

[0065] like figure 2 As shown, wherein the laser rangefinder 1 is installed in the center of the front of the vehicle, and the distance from the vertical ground to the ground is about 50cm. The main lines connected to the microcomputer part include data line 4 and power line 5; the data line is a shielded twisted pair (STP), which is used to connect the laser rangefinder with the network interface of the microcomputer in the vehicle; the power line is a laser rangefinder The instrument provides 12V direct current, which is composed of the car cigarette lighter interface 3.

[0066] The microcomputer part includes:

[0067] The laser scann...

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Abstract

The invention discloses a pedestrian detection system and method based on adaptive clustering analysis. The system comprises a laser distance measuring device and a microcomputer part, wherein the laser distance measuring device is connected with the microcomputer. The microcomputer part comprises a laser scanner module, a laser data pre-processing module, a pedestrian detection module and a pedestrian identifying module. An adaptive clustering analysis method is adopted, so that the pedestrian system and method have the advantages of eliminating man-made interference, improving the reliability and robustness of pedestrian detection, and providing better support for pedestrian safety protection on the intelligent traffic background. Further, in the pre-processing process, redundant laser point cloud data irrelevant with the detection are removed, so that the pedestrian detection system and method have the advantages of reducing data analysis amount and improving the operation efficiency of a whole system.

Description

technical field [0001] The invention belongs to the technical field of automobile active safety, in particular to a pedestrian detection system and method based on adaptive cluster analysis. Background technique [0002] Pedestrian detection based on machine vision has become one of the most active research topics in the field of machine vision and intelligent vehicles due to its important application value in vehicle assisted driving systems. Its core is to use detection devices installed on moving vehicles to detect pedestrians. Estimate potential hazards in order to adopt strategies to protect pedestrians. Pedestrian detection system, as an active safety measure to ensure the safety of vehicles and pedestrians, has become a research hotspot of common concern in the industry and research circles. It has important significance and practical value in improving driving safety and ensuring the safety of pedestrians' lives and properties. [0003] At present, there are mainly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62
Inventor 游峰李福樑张荣辉王海玮温惠英
Owner SOUTH CHINA UNIV OF TECH
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