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unit uLabRgb; interface type TVector3 = array[1..3] of Double; function LabToRgb(Lab: TVector3): TVector3; function RgbToLab(Rgb: TVector3): TVector3; implementation type TMatrix

function cmap = cpt2map(cptfile,numcolors); % CPT2MAP -- convert a cpt table to a matlab colormap. % % A cpt table is used in GMT. It contains entries which couple % a data range to RGB values

RGB -> YUV introduces error just like a quantizer (actually you could make it lossless with YUV_EXTRA == 4 , but thats add four nearly-random bits !) so, compare on the beam1.128x3 te

#include "views.h" #include "canvas.h" #include "fft.h" #include "recorder.h" COLORREF MapColor (int s) { if ( s < 16 ) return RGB(0, 0, 128); else if ( s < 32) retu

function y = GaussFilter(RGBimg) %% HSV % Mean = [0.08;0.56;0.75]; Variance = diag([0.03;0.1;0.1]); % imgH=rgb2hsv(RGBimg/255); % [N,M,t] = size(RGBimg); % imgHShaped = reshape(imgH,N*M,[])'; %

function cmap = cpt2map(cptfile,numcolors); % CPT2MAP -- convert a cpt table to a matlab colormap. % % A cpt table is used in GMT. It contains entries which couple % a data range to RGB values

% % Test program for Quadtree Encoding and Decoding of RGB image clc, close all, clear all thvec=[0.5,0.5,0.5]; % threshold for red,green and blue (values b/w 0 and 1) picname='rafting.png'; I =

#ifndef _CONVERT_H #define _CONVERT_H class ColorSpaceConversions { public: ColorSpaceConversions(); void RGB24_to_YV12(unsigned char * in, unsigned char * out,int w, int h); void YV1

clc; % 清除命令窗口 I1=imread('peppers.png'); % 读入图像 I=rgb2gray(I1); % 图像灰度转换 imshow(I); % 显示原始图像 title('o

% % Test program for Quadtree Encoding and Decoding of RGB image clc, close all, clear all thvec=[0.5,0.5,0.5]; % threshold for red,green and blue (values b/w 0 and 1) picname='rafting.png'; I =