visible_band_histogra.rar_histogra_scatter plot

RGB=imread('peppers.png');%读入图像 %subplot(2,2,1); imshow(RGB); r = RGB(:,:,1); g = RGB(:,:,2); b = RGB(:,:,3); figure plot3(b(:),g(:),r(:),'.') %bar3(r(:),g(:),b(:)) grid('on') zlabel('Red (Band 3)'); ylabel('Green (Band 2)') xlabel('Blue (Band 1)') title('Scatterplot of the Visible Bands') figure subplot(3,1,1);imhist(RGB(:,:,1));title('R直方图') subplot(3,1,2);imhist(RGB(:,:,2));title('G直方图') subplot(3,1,3);imhist(RGB(:,:,3));title('B直方图')