2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2014 **Abstract:** This paper deals with an image colorization and proposes a new image colorization algorithm. Assuming that the difference of color values between neighbor pixels is given as a monotonically increasing function of the difference of grayscale values between neighbor pixels, a colorization function is proposed, and the colorization problem is formulated as the weighted least squares problem using this function. In order to reduce the dependence on the value of a parameter in the algorithm, this paper utilizes a f…

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“…In order to provide a colorization-based image coding, this paper applies the colorization algorithm proposed in [4] because it can recover a full color image from a luminance image using only a few color pixels. The algorithm restores chrominance images C b and C r independently to obtain a color image, and this subsection gives a chrominance image restoration method.…”

confidence: 99%

“…In order to provide a colorization-based image coding, this paper applies the colorization algorithm proposed in [4] because it can recover a full color image from a luminance image using only a few color pixels. The algorithm restores chrominance images C b and C r independently to obtain a color image, and this subsection gives a chrominance image restoration method.…”

confidence: 99%

“…The image colorization technique can recover a full-color image from a luminance image and several representative pixels (RPs) which have the chrominance values and their positions [1][2][3][4]. Levin et al proposes a well known colorization algorithm, which achieves a high colorization performance using appropriately given RPs.…”

confidence: 99%