Local Color Transfer Algorithm Based on CTWC and the Application in Styled Rendering of Yunnan Heavy Color Painting
In this paper, a local color transfer algorithm based on CTWC (Color Transfer Weight Coefficients) is proposed. Firstly, interactively select one or more corresponding areas in the original image and the target image, those colors need to transfer. Secondly, use the low pass Butterworth filter function to calculate the CTWC of each selected areas in the original image. The CTWC represents the influence degree of color transformation of the pixels in the selected areas of the original image, and the value of CTWC is inversely proportional to the color statistical distance of the selected corresponding areas between the original and target image. Finally, the Reinhard Algorithm is improved by the calculation method of CTWC and gets the local color transfer algorithm based on CTWC. For multi-regional local color transfer, an iterative image merge method is proposed to fuse the multi-regional local color transformations result images. In the end, the color transfer is used for Yunnan heavy color painting digital simulation and stylized rendering and the results of experiment shows it can obviously improve the rendering effect.
Local color transfer CTWC Yunnan Heavy Color Painting non-photorealistic rendering
Yuanyuan Pu Weiwei Li Xin Liu Zhihong Min Shi Xie
School of Information Science and Engineering, Yunnan University Kunming, Yunnan, 650091, R.P. China
国际会议
重庆
英文
360-364
2011-01-21（万方平台首次上网日期，不代表论文的发表时间）