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/******************************************************************** * 函数名称：rgb2hsi * 功能：实现rgb到hsi的转换 * 参数：hsi - 长度为3的双精度数组 * rgb - 长度为3的双精度数组 ************************************

// -------------------------------------------------------------------- // Copyright (c) 2005 by Terasic Technologies Inc. // -------------------------------------------------------------------- /

//颜色空间转换为色度空间的函数代码 #include "stdio.h" #include "stdlib.h" #include "rgb2yuv.h" static float RGBYUV02990[256], RGBYUV05870[256], RGBYUV01140[256]; static float RGBYUV01684[256], RGBYUV03316[256]; sta

int RGB2YUV (int x_dim, int y_dim, void *bmp, void *y_out, void *u_out, void *v_out);

function [a,map] = rgb2ind(r,g,b,cm,dith) %RGB2IND Convert RGB image to indexed image. % RGB2IND converts RGB images to indexed images using one of % four different methods: direct translation,

function rgb = ycbcr2rgb(in) %YCBCR2RGB Convert YCBCR values to RGB color space. % RGBMAP = YCBCR2RGB(YCBCRMAP) converts the YCBCR values in the % colormap YCBCRMAP to the RGB color space. If Y

function out = rgb2ycbcr(in) %RGB2YCBCR Convert RGB values to YCBCR color space. % YCBCRMAP = RGB2YCBCR(RGBMAP) converts the RGB values in RGBMAP to % the YCBCR color space. YCBCRMAP is a M-by

function [y,i,q] = rgb2ntsc(r,g,b) %RGB2NTSC Convert RGB values to NTSC colorspace. % YIQMAP = RGB2NTSC(RGBMAP) converts the M-by-3 RGB values in % RGBMAP to NTSC colorspace. YIQMAP is an M-by-