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Image-vision-based lane line detection method

A technology for lane line detection and image vision, which is applied in the directions of instruments, character and pattern recognition, computer parts, etc., can solve problems such as weak strength, and achieve the effect of high accuracy, reducing the amount of calculation, and improving the calculation speed.

Inactive Publication Date: 2017-03-22
FORYOU GENERAL ELECTRONICS
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a technical solution for lane line detection based on image vision, which overcomes excessive edge segmentation or weak edge response caused by traditional edge detection methods in the lane line feature extraction, which makes the lane Line edge information is submerged in lane markings, vehicles, pedestrians and other interference information, effectively filtering the interference of non-lane line areas in the image, reducing the amount of calculation, improving the accuracy and extraction speed of lane line parameters, and enhancing the robustness of the system sex

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  • Image-vision-based lane line detection method

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Embodiment Construction

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0044] see figure 1, is a flow chart of the steps of an embodiment of the image vision-based lane line detection method provided by the present invention.

[0045] The lane line detection method based on image vision provided in this embodiment mainly includes the following steps:

[0046] Step S1: Collect the image to be detected, and perform preprocessing on the image to be detected.

[0047] During specific implementation, the camera installed in the front area of ​​the vehicle (such as under the rearview mirror) can collect the current frame image containing the lane line in front of the vehicle; the main purpose of image preprocessing is to eliminate image sampling noise, shadows, sky and other interferences Influenced by objects, the reserved lane line area is maximize...

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Abstract

Disclosed in the invention is an image-vision-based lane line detection method. The method comprises the following steps: collecting a to-be-detected image and carrying out pretreatment on the to-be-detected image; on the basis of a geometrical feature of a lane line and a grey difference, carrying out lane line feature extraction and screening a lane line region; and sampling the lane line region and carrying out linear fitting on the collected data by using a random sampling consensus algorithm, thereby obtaining a lane line parameter by calculation. Using the method provided by the invention, the interference in a non-lane-line region in an image can be effectively filtered; the computing load is reduced substantially; the precision and the extraction speed of lane line parameters are improved; the robustness of the system is enhanced; and the accuracy is high.

Description

technical field [0001] The invention relates to the technical field of intelligent driving, in particular to a lane line detection method based on image vision. Background technique [0002] With the rapid development of highway traffic, people pay more and more attention to traffic safety. Therefore, the research on intelligent vehicles has become a hot spot for scholars all over the world. The lane departure warning system is a kind of advanced driver assistance system. When it is detected that the vehicle has involuntarily deviated from the current lane, it will send a warning message to the driver to remind the driver to make corrections in time and greatly reduce the occurrence of traffic accidents. [0003] In the lane departure warning system, lane detection is the key technology. The usual lane detection method is divided into two steps: (1) lane line feature extraction, (2) establishment and matching of the lane line geometric model, wherein the accuracy of the lan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V20/588
Inventor 张惊涛徐焕东
Owner FORYOU GENERAL ELECTRONICS
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