Cement notch groove pavement image noise reduction enhancement and crack feature extraction method
An image noise reduction and feature extraction technology, applied in the field of image processing, can solve the problems of low recognition accuracy of image cracks, blurred resulting images, and inability to completely retain edge information in road images with low signal-to-noise ratio.
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[0090] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0091] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0092] Such as figure 1 As shown, a cement groove pavement image noise reduction enhancement and crack feature extraction method, including the following steps:
[0093] Step S100 , after grayscale processing of the original cement pavement image, an improved local self-adaptive contrast enhancement algorithm is used to solve the problem of low crack identification accuracy caused by uneven brightness and low contrast of the image.
[0094] In the present embodiment, firs...
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