clear;
clc;
RGB = imread('0.jpg');
HSV = rgb2hsv(RGB);
H = HSV(:,:,1);
S = HSV(:,:,2);
V = HSV(:,:,3);
R = RGB(:,:,1);
G = RGB(:,:,2);
B = RGB(:,:,3);


subplot(4,3,1);imshow(H);title('H分量');
subplot(4,3,2);imshow(S);title('S分量');
subplot(4,3,3);imshow(V);title('V分量');


subplot(4,3,4);imhist(H);title('H分量直方图');
subplot(4,3,5);imhist(S);title('S分量直方图');
subplot(4,3,6);imhist(V);title('V分量直方图');


subplot(4,3,7);imshow(R);title('R分量');
subplot(4,3,8);imshow(G);title('G分量');
subplot(4,3,9);imshow(B);title('B分量');


subplot(4,3,10);imhist(R);title('R分量直方图');
subplot(4,3,11);imhist(G);title('G分量直方图');
subplot(4,3,12);imhist(B);title('B分量直方图');


figure;
BImg = im2bw(H,0.3);       %二值图像，1 为白色 0 为黑色 0.3为阈值
imshow(BImg);