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Sheltering-prevention three-dimensional laser scanning system

A scanning system and three-dimensional laser technology, applied in the field of laser scanning, can solve serious and occlusion problems, achieve the effect of solving the occlusion problem, increasing the scanning coverage area, and reducing the scanning area

Pending Publication Date: 2020-02-21
GUANGXI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The horizontal scanning rotation center and the vertical scanning rotation center of the existing laser scanning products coincide with the origin of the light source, so it can be regarded as that all scanning rays are emitted from the origin of the light source, so there is a problem of occlusion in the case of a single point light source, and the surrounding objects The closer the distance to the origin of the light source, the larger the size of the object, and the more serious the occlusion phenomenon

Method used

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  • Sheltering-prevention three-dimensional laser scanning system
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  • Sheltering-prevention three-dimensional laser scanning system

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Embodiment Construction

[0031] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0032] Such as figure 1 As shown, a three-dimensional laser scanning system that avoids occlusion, the scanning system includes a cloud platform 1, a rotating disk 2 arranged on the platform 1, and a rotating arm 3 arranged on the rotating disk 2, and the rotating The end of the arm 3 is provided with a two-dimensional laser scanner 4; wherein, the rotating arm is an L-shaped flat plate, and a plurality of installation holes are opened at both ends of the flat plate, one end is installed on the rotating disk 2, and the other end is installed and supported Two-dimensional laser scanner 4 ; the scanning plane of the two-dimensional laser scanner 4 is parallel to the rotating arm 3 . The rotation of the rotating disk 2 drives the rotation arm 3 to drive the two-dimensional laser scanner 4 to rotate, and the two-dimensional laser scanner 4 performs s...

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Abstract

The invention provides a sheltering-prevention three-dimensional laser scanning system. The scanning system comprises a cloud deck, a rotating disk on the cloud disk and a rotating arm on the rotatingdisk; a two-dimensional laser scanner is arranged at the end of the rotating arm; through the rotation of the rotating disk, the rotating arm is driven to drive the two-dimensional laser scanner to rotate; and the two-dimensional laser scanner carries out scanning ranging when being driven to rotate. Through the sizes of shelters, the length of the rotating arm is adjusted so as to decrease the sheltering of the shelters; and by utilizing a long arm structure, a laser scanning center is separated from a cloud deck center, so that the laser is not emitted from one point, but is emitted along arotating track, thereby enlarging the scanning coverage area of the laser scanning system, effectively decreasing the sheltered scanning area and solving the sheltering problems in the scenes with unknown complexity.

Description

technical field [0001] The invention relates to the technical field of laser scanning, in particular to a three-dimensional laser scanning system for avoiding occlusion. Background technique [0002] Theoretical studies of laser scanning systems are widely used in real life, such as driverless cars, robot navigation, building reconstruction, and remote sensing. The laser scanning system measures the distance from the laser emission point to the object by estimating the arrival time interval of the light emitted from the lidar and the light reflected from the distant object. Compared with the image, it has its unique advantage that it is not affected by light. [0003] The horizontal scanning rotation center and vertical scanning rotation center of the existing laser scanning products coincide with the origin of the light source, so it can be regarded as that all scanning rays are emitted from the origin of the light source, so there is a problem of occlusion in the case of a...

Claims

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Application Information

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IPC IPC(8): G01S7/481G01S17/08G01S17/88
CPCG01S7/4817G01S17/08G01S17/88Y02A90/10
Inventor 林靖宇李树青董雯
Owner GUANGXI UNIV
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