Zebra crossing real-time detection method based in intelligent driving

Abstract

The invention discloses a zebra crossing real-time detection method based in intelligent driving, and belongs to the field of traffic information detection in the intelligent traffic industry. The zebra crossing real-time detection method includes the steps of firstly, obtaining an image Src_Image of the road in front of an intelligent vehicle in real time at a frame rate of 25 frames per second to 50 frames per second, and conducting inverse perspective transformation on the obtained original image Src_Image to obtain a bird view image Bird_View of a road image; then, cutting a lane area image ROI_Image out of the bird view image Bird_View according to two lane lines of a lane, conducting graying, self-adaption binaryzation, canny edge extraction and morphology corrosion expansion on the image ROI_Image to obtain a binaryzation image Dst_Bw; finally, conducting transverse pixel statistics on the image Dst_Bw to obtain the black-white skip time number Sum, the black strip average width Wb, the white strip average width Ww and the strip average height H. If the conditions that Sum is larger than S1 and smaller than S2, the absolute value of the difference between Wb and Ww is smaller than W, Wb is larger than Wb1 and smaller than Wb2, Ww is larger than Ww1 and smaller than Ww2, and H is larger than H1 and smaller than H2 are all satisfied, the zebra crossing is confirmed to appear in front of the intelligent vehicle, and if not, the zebra crossing is confirmed not to appear.

Description

technical field [0001] The invention relates to a method for real-time detection of zebra crossings based on intelligent driving, and belongs to the field of traffic information detection in the intelligent traffic industry. Background technique [0002] With the rapid development of society and economy, urban traffic volume is increasing day by day, and traffic accidents occur frequently. Safe driving has become a hot topic. At present, many cars have their own safety assistance systems, but these safety assistance systems have not yet included the detection of zebra crossings. However, zebra crossings are one of the important traffic information and an important guarantee to ensure the safety of pedestrians. Intelligent driving is a research hotspot in the fields of vehicle engineering, computer vision, etc. Zebra crossing detection technology is an important part of the key technology of intelligent driving, because it is related to whether intelligent vehicles can drive ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of existing methods such as weak anti-interference, low detection rate, slow detection speed, high cost and high energy consumption, and propose a real-time detection method for zebra crossings based on intelligent driving

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