用matlab计算RiceGrians.zip

I = imread('rice_53.jpg'); I = rgb2gray(I); % Convert image to grayscale imshow(I) se = strel('disk',90); background = imopen(I,se); imshow(background) I2 = I - background; imshow(I2) I3 = imadjust(I2); imshow(I3) bw = imbinarize(I3); bw = bwareaopen(bw,450); imshow(bw) cc = bwconncomp(bw,4); cc.NumObjects % V1 se = 90 bw = 450 % rice_7 --> 8 % rice_15 --> 14 % rice_53 --> 57 % rice_63 --> 64 % rice_82 --> 78 % rice_154 --> 148 % rice_300 --> 355 % rice ---> 265