Parking area recognition method and system and medium

Abstract

The invention provides a parking area recognition method and system and a medium. A structure of a feature point module, a pose calculating module, a distortion correcting module, an absolute scale restoring module, a space point rebuilding module and a parking area finding module is used. The feature point module completes the feature point extraction and detection of a camera-captured picture. The pose calculation module calculates a pose relationship of the camera at the times of capturing two frames of pictures. The distortion correction module performs distortion correction on an extracted fish-eye feature point. The absolute scale restoring module restores a real scale by using a true camera height. The space point rebuilding module restores the value of reconstructed point cloud byusing a camera pose and an absolute scale. The parking area finding module finds a structure and a method of a parking area according to reconstructed space point cloud. A disadvantage that an ultrasonic radar is failed and an actual scale can not be obtained based on a parking line detection method can be solved, and a parking area which satisfies a parking requirement is efficiently and accurately detected for a vehicle.

Description

technical field [0001] The present invention relates to the technical field of automobiles, in particular to a method, system and medium for identifying a parking area. Background technique [0002] With the advancement of science and technology and the development of society, people's living standards have gradually improved, and the number of motor vehicles has also increased rapidly. However, the technical problem of parking has always troubled most people. Therefore, the automatic parking function of motor vehicles has become more and more important. The most important, and a very important link in automatic parking is the detection of the parking area. [0003] At present, there are many methods for detecting parking areas, including methods based on physical feature detection such as buried induction coils, ultrasonic radar, and geomagnetic detection, as well as visual methods based on parking line detection. However, the former is cumbersome to construct and difficul...

AI Technical Summary

Problems solved by technology

However, the former is cumbersome to construct and difficult to maintain, and the latter cannot give an accurate realistic scene scale. These methods all have certain defects.

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