1. Gonzales, R.C., Wintz, P.: Digital Image Processing. Addison-Wesley Publishing, Reading (1987)
2. Wilson, M., Brian, H.: Coloring a black and white signal using motion detection. Canadian Patent, No.CA 01291260 (1991)
3. Roy, P.V.: Designing, drawing, and colorizing generated images by computer. U.S. Patent, No.5,831,633 (1998)
4. Welsh, T., Ashikhmin, M., Mueller, K.: Transferring color to grayscale image. In: Proc. ACM SIGGRAPH 2002, vol. 20(3), pp. 277–280 (2002)
5. Reinhard, E., Ashikhmin, M., Gooch, B., Shirley, P.: Color transfer between images. IEEE Computer Graphics and Applications, 34–40 (September/October 2001)