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Positioning method and system

A positioning method and unified technology, applied in the field of electronics, can solve the problems of unsuitable application of consumer products, low perceptual resolution, and great influence of lighting conditions, and achieve high practical value and promotion value, the method and process are simple, and the hardware requirements are low. Effect

Pending Publication Date: 2018-02-13
宗晖(上海)机器人有限公司
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AI Technical Summary

Problems solved by technology

However, the commonly used lidar can only obtain two-dimensional plane information, and the perception resolution is low, while the 3D lidar is currently not suitable for consumer products due to its high price.
On the other hand, the camera-based visual SLAM system can construct three-dimensional information of the environment and extract advanced image semantic features. The disadvantage is that it is greatly affected by lighting conditions, the accuracy decreases in high dynamic environments, and the scene complexity is high.

Method used

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Embodiment Construction

[0040] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so that implementers of the present invention can fully understand how the present invention uses technical means to solve technical problems, and achieve the realization process of technical effects and according to the above-mentioned realization process The present invention is implemented concretely. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0041] In the prior art, common SLAM technologies include lidar-based laser positioning and camera-based visual positioning. The SLAM products based on lidar have navigation accuracy of several centimeters, and have the characteristics of high stability and good robustness...

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Abstract

The invention discloses a positioning method and system. The method comprises the steps of obtaining laser radar data, camera data and inertia measurement data, fusing the laser radar data, the cameradata and the inertia measurement data and obtaining a data fusion result, and determiningposition and posture information according to the data fusion result. Compared with the prior art, the methodis simple in process, high in positioning precision and low in hardware requirement and has a very high practical value and a popularization value.

Description

technical field [0001] The present invention relates to the field of electronic technology, in particular to a positioning method and system. Background technique [0002] With the continuous development of electronic technology, the application of simultaneous localization and mapping (SLAM) is becoming more and more extensive. In particular, with the development of intelligent robot technology, SLAM technology is widely used in intelligent robots to realize autonomous actions of robots. [0003] In the prior art, common SLAM technologies include lidar-based laser positioning and camera-based visual positioning. The SLAM products based on lidar have navigation accuracy of several centimeters, and have the characteristics of high stability and good robustness. However, the commonly used lidar can only obtain two-dimensional plane information, and the perception resolution is low, while the 3D lidar is currently not suitable for consumer products due to its high price. On ...

Claims

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Application Information

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IPC IPC(8): G01S17/02G01S17/06G01C21/00G01C11/00G01C21/16
CPCG01C11/00G01C21/005G01C21/165G01S17/06G01S17/86
Inventor 余程鹏徐纪卫郑宇欣
Owner 宗晖(上海)机器人有限公司
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