Pavement crack recognition device based on camera and line laser and recognition method of pavement crack recognition device

A line laser and pavement crack technology, applied in the field of pavement crack recognition, can solve the problems of low recognition accuracy, misidentification of dirt as cracks, interference, etc., and achieve the effect of high intelligence, intuitive recognition results, and low investment costs

Active Publication Date: 2014-03-26
杭州华路中检检测技术有限公司
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  • Abstract
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Problems solved by technology

However, the camera detection method is easily disturbed by the garbage on the road surface, and it is

Method used

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  • Pavement crack recognition device based on camera and line laser and recognition method of pavement crack recognition device
  • Pavement crack recognition device based on camera and line laser and recognition method of pavement crack recognition device
  • Pavement crack recognition device based on camera and line laser and recognition method of pavement crack recognition device

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with accompanying drawing:

[0037] refer to figure 1 , is a structural schematic diagram of the camera and line laser-based pavement crack recognition device of the present invention. The road surface crack recognition device based on cameras and line lasers includes a vehicle 7, which is used to fix an area camera (high-speed area camera), a line laser, and the like. A plate 8 extending forward is installed at the top center of the front of the vehicle 7, one end of the plate 8 is fixed at the center of the top of the vehicle 7, and an area camera 1 is fixed under the other end of the plate 8 by bolts. The length of the flat plate 8 (the length in the forward direction of the vehicle) can be set as required, for example, the length of the flat plate 8 is between 20cm and 80cm. The lens of the area array camera 1 faces the road vertically. The line laser 2 (laser for emitting a linear laser beam) i...

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Abstract

The invention belongs to the technical field of pavement crack recognition, and discloses a pavement crack recognition device based on a camera and a line laser, and a recognition method of the pavement crack recognition device. The pavement crack recognition device based on the camera and the line laser comprises a pulse counter, an industrial personal computer, a vehicle, a line laser fixedly mounted in the center of the head of the vehicle and a flat plate extending forward from the center of the head top of the vehicle; an area-array camera is fixed below one end of the flat plate; the angle between a laser head of the line laser and the horizontal plane is 40-80 degrees; a lens of the area-array camera vertically faces the ground; a rotary shaft of a rear wheel of the vehicle is coaxially sleeved with an incremental rotary encoder; the incremental rotary encoder is electrically connected with a counting end of the pulse counter; the output end of the pulse counter is electrically connected with a PCI card; the PCI card is inserted into a PCI slot of the industrial personal computer; the area-array camera is electrically connected with the PCI card through a Camera Link wire.

Description

technical field [0001] The invention belongs to the technical field of pavement crack recognition, and in particular relates to a pavement crack recognition device and a recognition method based on a camera and a line laser. Background technique [0002] With the rapid development of highway construction in my country and the improvement of highway network construction, more and more attention has been paid to highway maintenance. After the road is built, due to the repeated rolling of the wheels and the influence of various natural factors such as ice, rain, and snow, the road surface will be damaged such as cracks and bumps. Pavement cracks are one of the main forms of pavement disease, which will affect the safety of driving and the service life of roads. Pavement cracks are an important indicator for evaluating road quality. [0003] At present, the detection of pavement cracks mainly includes manual detection and camera detection. When manually detecting pavement crac...

Claims

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Application Information

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IPC IPC(8): E01C23/01
Inventor 陈生客韩毅毛鹏宁兰
Owner 杭州华路中检检测技术有限公司
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