Generation of concrete-wall-texture-like images by autocorrelation coefficient and inverse filtering

This paper proposes a non-photorealistic rendering (NPR) method for generating concrete-wall-texture-like (CWTL) images from photographic images. CWTL images imitate uneven concrete walls. The proposed method is executed by an iterative calculation using correlation coefficient and inverse filtering. To verify the visual effects of CWTL images, experiments are conducted with changing the value of parameters of the proposed method and experiments using various photographic images. As a result of experiments, it is clarified how to generate the CWTL patterns by changing the value of parameters and confirmed that the CWTL patterns can be generated over the whole image for all photographic images.