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Holographic sensing system based on image-level laser radar

A technology of laser radar and perception system, which is applied in the field of sensors, can solve the problem of high system cost and achieve the effect of low resolution, low cost and high resolution

Pending Publication Date: 2021-04-30
图达通智能科技(苏州)有限公司
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Its system cost is high

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  • Holographic sensing system based on image-level laser radar
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  • Holographic sensing system based on image-level laser radar

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[0021] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted as the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

[0022] This embodiment adopts the holographic perception system of image-level lidar under the existing framework. This image-grade lidar operates at a wavelength of 1550nm, which is safe for human eyes. Lidar works on the time-of-flight principle. The system emits a large number of light pulses within 0.1 second, and each light pulse is emitted in multiple different directions with a field of view of 40x100°. The reflected signal of each light pulse is used to construct a three-dimensional scene around the system.

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Abstract

The invention provides a holographic sensing system based on an image-level laser radar. The system comprises road information acquisition equipment, a road test terminal system and a traffic control center, road information acquisition is electrically connected to the road test terminal system and the traffic control center respectively, and the road test terminal system comprises a camera and the image-level laser radar. Long-distance and high-precision detection of a single laser radar is realized, so that the installation cost per kilometer is reduced. And meanwhile, the problem of low resolution in the current road holographic sensing system is solved, and the system is matched with a camera for use, so that high-resolution and low-cost emergency early warning is realized at the urban intersection.

Description

technical field [0001] The invention relates to sensor leadership, in particular to a holographic perception system based on image-level laser radar. Background technique [0002] Rapid economic development and increasing traffic pressure have put forward new requirements for urban road traffic. How to make full use of existing technical means to improve urban traffic capacity and establish a sound road holographic perception system, especially for emergency warning at intersections , is the key development direction of smart transportation. At this stage, the road holographic perception system adopts a detection method that combines video detection and radar detection to jointly complete information collection. The existing holographic perception system (video + millimeter-wave radar detection type) for emergency warning at intersections is as follows: figure 1 shown. [0003] The road holographic perception system consists of three parts: road information collection equ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01G08G1/04G08G1/07
CPCG08G1/0108G08G1/04G08G1/07
Inventor 鲍君威邓常敏花娇娇
Owner 图达通智能科技(苏州)有限公司
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