Grayscale aerial and space image colorization using texture classification
Pattern Recognition Letters - Special issue: Pattern recognition in remote sensing (PRRS 2004)
Optimization based grayscale image colorization
Pattern Recognition Letters
Color image coding by colorization approach
Journal on Image and Video Processing - Color in Image and Video Processing
Digital Image Colorization Based on Probabilistic Distance Transform
CIARP '08 Proceedings of the 13th Iberoamerican congress on Pattern Recognition: Progress in Pattern Recognition, Image Analysis and Applications
A distance transformation based algorithm for digital image colorization
VIIP '07 The Seventh IASTED International Conference on Visualization, Imaging and Image Processing
Colorization of black-and-white cartoons
Image and Vision Computing
Image and Video Colorization Using Vector-Valued Reproducing Kernel Hilbert Spaces
Journal of Mathematical Imaging and Vision
Colorization of grayscale images and videos using a semi-automatic approach
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Application of the Extended Distance Transformation in digital image colorization
Multimedia Tools and Applications
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A color estimation method for a gray-level image is proposed by giving a few color pixels. It is known that a density value in the gray-level image will be calculated by linear combination of an RGB vector of the color image. The problem dealt with in this study can be formulated as an ill-posed problem which searches for an RGB vector from a density value as a solution. By assuming a restricted condition to minimize the total of the color difference defined among adjacent pixels, the color will be optimized by the probabilistic relaxation method. Theperformance of the proposed method is verified by experiments. The proposed algorithm works very well when the solution is known with confidence in a few percents of the image.