Basic Study on Colorization using Template Matching

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  • テンプレートマッチングを用いたカラリゼ―ションに関する基礎研究

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The term colorization (colorization) is a term introduced by Wilson Markle in 1970. Colorization refers to the automatic coloring of uncolored black and white pictures and photographs. This technique is very important. This is because coloring gives us a lot more information from a single picture or picture. In this paper, as a basic research for developing a full-automatic colorization program of free software, a color image restoration from a black-and-white image with a luminance pattern similar to a color image lacking information by template matching using ZNCC is performed. Trial production of the sessionization program. In general, there are two types of coloring methods, which are all automatically performed, and two types in which a place and a color to be colored are specified to some extent. This paper focused on the former. In the ZNCC template matching, where a pattern similar to the template image exists in the entire image is searched, and then the color is processed by performing color propagation processing. Although the result was not bad, it is difficult to color a completely beautiful black and white image and restore it to a color image, and there are many problems, so I would like to improve it in the future.

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