Fast Colorization Using Edge and Gradient Constrains

  title={Fast Colorization Using Edge and Gradient Constrains},
  author={Yao Li},
This paper proposes a fast but effective user-guided colorization algorithm. The main difficulty with colorization is its intensive computational cost. And the color sometimes diffuses from one region to others. We make full use of the information given by the gray-scale images, including the edge, gradient and gradient direction, to propagate color over regions from the user’s scribbles. We introduce a novel local distance definition which reduces the color confusion between two regions… CONTINUE READING


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