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Method and device for detecting lane markings

A lane line detection and lane line technology, which is applied in the field of image processing, can solve the problems of complex lane line detection methods, unsuitable for real-time applications, and low detection accuracy, and achieve the effects of fast detection speed, appropriate size, and improved detection accuracy

Active Publication Date: 2017-01-04
常州中智永浩机器人有限公司
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Problems solved by technology

First of all, its area of ​​interest is fixed and includes roadside objects too large, such as flowers and plants on the side of the road, vehicles in another lane, etc., which will lead to low detection accuracy
Secondly, the RANSAC used to remove the interference points in the region of interest has a high amount of calculation and the method is relatively complicated, which is not suitable for real-time applications.
Therefore, the existing lane line detection methods are not only complex but also have low accuracy.

Method used

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  • Method and device for detecting lane markings
  • Method and device for detecting lane markings

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Embodiment Construction

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0036] Such as figure 1 As shown, the lane line detection method provided in the embodiment of the present invention includes:

[0037] S101. Obtain an image in front of the vehicle;

[0038] Specifically, in step S101, a camera is used to acquire an image ahead of the vehicle, and a display screen is used to display the image ahead of the vehicle.

[0039] Before step S101, an initial setting step is also included, specifically, displaying a horizontal line and two symmetrical oblique lines in the shape of a figure of eight on the display screen, adj...

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Abstract

The invention provides a lane line detection method and device, belonging to the technical field of image processing. The method includes acquiring the image in front of the vehicle; performing edge detection on the image in front of the vehicle to obtain an edge map; determining the initial lane line detection area in the edge map according to the position of the lane line acquired in the previous frame; dividing the initial lane line detection area into N A small detection area, N is greater than or equal to 2; According to the edge map value of each small detection area and the total number of pixels in each small detection area, determine a small detection area as an accurate lane line detection area; from the accurate lane line detection Get the lane line of the current frame in the area. The lane line detection method and device method of the present invention are simple and the detected lane lines are relatively accurate.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a lane line detection method and device. Background technique [0002] General lane line detection methods are based on complex calculation methods such as Hough transform or fitting, or use complex logic and excessive preset thresholds, which not only require a high amount of calculation, but also easily cause loss of attention in implementation For example, when setting the threshold, in order to retain more feature information of lane lines, the interference of non-lane lines is increased at the same time. Patent CN102592114A uses the local threshold segmentation method to perform binarization processing on the road image in the region of interest to extract the lane line feature information, and then uses the RANSAC method to detect the left and right lane lines. First of all, its area of ​​interest is fixed, and it includes too much roadside objects, such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00G06K9/46
CPCG06V20/588
Inventor 胡景强覃剑钊丁宁阎镜予黄卜夫
Owner 常州中智永浩机器人有限公司
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