代码搜索结果

%******************************************************** %程序：EX406.M %功能：RGB真彩着色使用实例 %******************************************************** [x,y]=meshgrid(-1:0.2:1); %设置矩形网格 z=x.^2+sin(y*pi

方法： 对于背景图像和当前采集图像 逐个像素计算RGB夹角， 超过角度门限就判定为有目标 看掌纹的论文

#pragma once class ColorTrans { public: ColorTrans(void); public: ~ColorTrans(void); public: //彩色转换为灰度图象，输出为8位灰度，输入为24位RGB bool RGB2Gray8(unsigned char* rgb, unsigned char* gray, int wi

#include #include #include #include using namespace std; struct RGB { int red; int green; int blue; }; int get_lowest_distance_index(int *distance,

#include #include #include #include using namespace std; struct RGB { int red; int green; int blue; }; #ifdef DEBUG int compare_red(const void

struct rgb { int red; int green; int blue; }; struct hsi { double hue; double saturation; int intensity; }; struct xy { int x;

RGB = imread('autumn.tif'); I = rgb2gray(RGB); J = dct2(I); imshow(log(abs(J)),[]), colormap(jet(64)), colorbar J(abs(J) < 10) = 0; K = idct2(J); figure,imshow(I) figure,imshow(K,[0 255])

function RGB=showmask(V,M,display_flag); % showmask(V,M); % % M is a nonneg. mask % Jianbo Shi, 1997 V=V-min(V(:)); V=V/max(V(:)); V=.25+0.75*V; %brighten things up a bit M=M-min(M(:)); M=M/max(M(:)

%原始索引图像 load trees %转换为灰度图像 I = ind2gray(X,map); figure(1) subplot(2,2,1);imshow(X,map);title('索引图像'); subplot(2,2,2);imshow(I);title('转换后的灰度图像'); %原始真彩图像 RGB = imread('peppers.png'); %转换为索引图