Efficient image inpainting using adaptive edge-preserving propagation

We propose an image inpainting algorithm based on adaptive edge-preserving propagation for structure repairing. Neighbouring information is progressively propagated into damaged region. The optimal size and location of the window containing damaged pixel are adaptively chosen according to the intact degree and colour distribution. To preserve sharpness of edges, contributing weights of the pixels in neighbouring window are decided by their direction with isophote and distance with damaged pixels. Compared with typical partial differential equation (PDE)-based methods, the proposed approach is more concise and efficient, and can give satisfactory results for structural information repairing. Experiments are carried out to show effectiveness of the method.