Ryuji Hirayama, Hirotaka Nakayama, Atsushi Shiraki, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi ItoAuthors Info & ClaimsThe histogram equalization (HE) is a technique developed for image contrast enhancement of grayscale images. For RGB (Red, Green, Blue) color images, the HE is usually applied in the color channels separately; due to correlation between the color ...
Texture mapping and large-scale orthophoto mosaic are important in city 3D-model reconstruction. For some factors such as illumination direction and imaging time, in the course of obtaining images, there is often an obvious holistic color shift for ...
The Indexed color mode is used mainly in order to lower the number of colors and thus the need for memory space. When the RGB mode is used to describe pixel values, there are totally 16,777,216 colors for each color image; however, an ordinary color ...
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