Vision-based automatic signboard semantic mapping positioning method and system

A semantic mapping and positioning method technology, applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve problems such as unfavorable large-scale deployment and continuous update of maps

Pending Publication Date: 2020-06-05
UISEE TECH BEIJING LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, the recognition and mapping scheme based on high-precision inertial navigation unit and laser point cloud needs to rely on expensive sensor equipment, which is not conducive to large-scale deployment and continuous update of maps

Method used

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  • Vision-based automatic signboard semantic mapping positioning method and system
  • Vision-based automatic signboard semantic mapping positioning method and system
  • Vision-based automatic signboard semantic mapping positioning method and system

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Embodiment Construction

[0017] This application discloses a vision-based automatic signage semantic mapping method and system. Based on vision, the semantic map is established according to the signboard to provide real-time positioning for self-driving vehicles. It is suitable for various indoor and outdoor Scenes.

[0018] In the following detailed description, specific details of the invention are set forth by way of example in order to provide those of ordinary skill in the art with a thorough understanding of the related disclosure. However, the content disclosed in the present application should be understood as consistent with the protection scope of the claims, and not limited to the specific details of the invention. For example, it will be obvious for those skilled in the art to make various modifications to the embodiments disclosed in the application; and without departing from the spirit and scope of the application, those skilled in the art can define The general principles of are appli...

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Abstract

The invention discloses a vision-based automatic signboard semantic mapping positioning method and system. The method comprises the steps: acquiring continuous images and corresponding positioning information in the vehicle driving process; identifying signboard information in the continuous images; determining the positioning information of the signboard based on the signboard information in thecontinuous images and the positioning information corresponding to the continuous images; establishing a semantic map based on the signboards based on the signboard information in the continuous images and the positioning information of the signboards corresponding to the signboard information; and acquiring signboard information identified in the current image of the vehicle, and retrieving positioning information of the signboard in the semantic map based on the signboard to determine the current positioning information of the vehicle. According to the method and the system, the semantic mapis established according to the signboard based on a visual means, real-time positioning is provided for the automatic driving vehicle, and the method and the system are suitable for various indoor and outdoor scenes.

Description

technical field [0001] The invention relates to the technical field of automatic driving, in particular to a vision-based semantic mapping and positioning method and system for automatic signboards. [0002] technical background [0003] With the progress of science and technology and the development of society, self-driving vehicles have become an important development direction of future cars. They can not only ensure people's safe travel and comfortable experience, but also greatly improve the efficiency of people's travel. Semantic-based positioning methods are of great significance for autonomous driving, and can realize autonomous positioning and navigation of autonomous vehicles. [0004] In urban and high-speed environments, signs contain important information such as changes in road conditions, driving speed, and driving behavior restrictions. Because of their wide distribution, fixed shape, obvious features, and large viewing area, they are an important component of...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V20/582G06V2201/09
Inventor 申超张维一
Owner UISEE TECH BEIJING LTD
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