Road surface crack defect detection method based on combination of image processing and convolutional neural network
A convolutional neural network and image processing technology, applied in biological neural network models, neural architecture, character and pattern recognition, etc., can solve the problems of inability to achieve pixel accuracy, loss of original information, etc. Effect
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[0027] Below in conjunction with accompanying drawing, further illustrate technical scheme of the present invention:
[0028] A method for identifying road surface crack defects based on the combination of image processing and convolutional neural network includes the following steps:
[0029] Step 1, data preparation: An image library with more than 5,000 pavement images with a resolution of 1mm representing the diversity of cracks and pavement surface textures was established. All road surfaces in this image library were obtained by crawler technology.
[0030] Step 2, image calibration: calibrate the collected road pictures, the pictures without cracks are marked as folder 0, and the pictures with cracks are marked as folder 1;
[0031] Step 3, pre-process the calibrated image, and the unified size is 1024×512;
[0032] 3.1 Remove salt and pepper noise and impulse noise. The pavement defect image has obvious high-frequency noise, which is mixed with target information and...
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