Image retrieval using DCT on row mean, column mean and both with image fragmentation
Proceedings of the International Conference and Workshop on Emerging Trends in Technology
Image retrieval by Kekre's transform applied on each row of Walsh transformed VQ codebook
Proceedings of the International Conference and Workshop on Emerging Trends in Technology
Using assorted color spaces and pixel window sizes for colorization of grayscale images
Proceedings of the International Conference and Workshop on Emerging Trends in Technology
Coloring gray scale digital images using Kekre's fast code book generation algorithm
Proceedings of the International Conference and Workshop on Emerging Trends in Technology
Query by image texture pattern content using Haar transform matrix and image bitmaps
Proceedings of the International Conference & Workshop on Emerging Trends in Technology
Iris recognition using texture features extracted from Walshlet pyramid
Proceedings of the International Conference & Workshop on Emerging Trends in Technology
Journal of Computer and System Sciences
Optimized anaglyph colorization
SIGGRAPH Asia 2012 Technical Briefs
Colorization for gray scale facial image by locality-constrained linear coding
PCM'12 Proceedings of the 13th Pacific-Rim conference on Advances in Multimedia Information Processing
Colorization for Gray Scale Facial Image by Locality-Constrained Linear Coding
Journal of Signal Processing Systems
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Here we are presenting some novel techniques for squirting colors in grayscale images. The problem of coloring grayscale images has no exact solution. Here we are attempting to minimize the human efforts needed in manually coloring the grayscale images. We need human interaction only to find a reference color image, then the job of transferring color traits from reference color image to grayscale image is done by proposed techniques. In these techniques, the color palette is prepared using pixel windows of some degrees taken from reference color image. Then the grayscale image is divided into pixel windows with same degrees. For every window of grayscale image the palette is searched for equivalent color values, which could be used to color grayscale window. In the whole process the luminance values of reference color image and target grayscale image are only matched and based on best possible match the respective chromaticity values of color image are transferred to grayscale image. For palette preparation first we used RGB color space and then Kekre's LUV color space[9]. Results with Kekre's LUV color space were comparatively better. To improve the searching time through color palette the exhaustive and Kekre's fast search are used.