Detection method and device

A detection method and road surface detection technology, which is applied in the field of image processing, can solve problems such as insufficient robustness of road detection algorithms, and achieve the effect of solving roadside shadow problems
CN106991402AInactive Publication Date: 2017-07-28FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST
Publication Date
2017-07-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

A detection method provided by the present invention comprises the steps of acquiring an image via a vehicle-mounted camera; extracting the light source invariant features of the image; extracting the background features of the image; according to the light source constant features and the background features of the image, carrying out the pavement classification based on the similarity; and finally carrying out the subsequent processing based on the communicated areas on the pavement images, etc. By extracting the illumination invariant features of the image, a detection failure problem caused by a roadside shadow problem is solved. The video or image sequence changes continuously along with the time, and the pavement also has certain continuity about a time axis, so that the corresponding relation between the front and back two frames of images can be established. During a positioning process of the pavement pixels, by utilizing the detection result of the previous frame of image to extract the background features of the image, the detection speed and the detection accuracy are improved, so that the detection method has the strong robustness and satisfies the real-time requirements of the practical application.
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Description

technical field

[0001] The invention relates to the technical field of image processing, in particular to a detection method and device. Background technique

[0002] In the past decade, assisted driving systems and self-driving cars have made significant progress in protecting road safety by monitoring the road environment. Especially, pavement inspection technology has become a hot topic worldwide because of its significance. A variety of sensor technologies are used in this field, mainly including radar, laser and machine vision. At the same time, image processing technology has achieved rapid development in recent years. On the one hand, cameras are cheaper, smaller, and have better quality than before. On the other hand, the computing power of computers is also increasing day by day. In recent years, image processing units for parallel computing have also appeared. With the development of hardware, machine vision has become an application technology that can meet the ...

Claims

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