Image Enhancement Algorithm on Ridgelet Domain in Detection of Road Cracks

In order to solve the problem that traditional image enhancement algorithms can't enough enhance the contrast between the backgrounds and cracks so that automatic detection method of road cracks based on image treating can't effectively be used to distill road crack,aimed at character of damage road crack,based on the principle that an image ridgelet transform is equivalent to one dimensional wavelet transform in Radon transform domain,a new image enhancement algorithm in ridgelet domain was proposed for detection of road cracks.Experiment results and their comparisons with other image enhancement algorithms show that the algorithm can be effectively used in enhancement of linear character of road crack image and it is feasible in the application of detection of road cracks.