I need to write a script extracts the average intensity of each object in the rice.png. My use of regionprops has failed.

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Bradley Cory 2018-6-7

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https://ww2.mathworks.cn/matlabcentral/answers/404501-i-need-to-write-a-script-extracts-the-average-intensity-of-each-object-in-the-rice-png-my-use-of-re

编辑： Bradley Cory 2018-6-7

    I = imread('Rice.png'); %imports the image
    Background = imopen(I,strel('disk',15)); %removes the rice and displays the background as its own entity
    I2=I-Background; %removes the background from the image
    I3 = imadjust(I2); %increases the contrast of the image
    bw = im2bw(I3); %creats a binary image
    bw2= bwareaopen(bw, 50); %removes the noise from the image
    cc = bwconncomp(bw2, 4); %finds the connected part of the image and determins if they are the same or different
    cc.NumObjects % counts the objects
    bw3=bwlabel(bw2,4); %converts the image into a labeled bw code
    bwlabel2rgb=label2rgb(bw3); %converts above into rgb, without above the image is the same colour
    imshow(bwlabel2rgb); %displays image
    gray = rgb2gray(bwlabel2rgb);
        measurements = regionprops( bw,gray, 'MeanIntensity');

Here is my current code but I have no idea what the issue is, could someone please point me in the right direction?

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Walter Roberson 2018-6-7

Please show the complete error message. Also, which MATLAB release are you using?

Bradley Cory 2018-6-7

Attempt to execute SCRIPT regionprops as a function: \\student\USR\Vol4\bc\Documents\MATLAB\regionprops.m Error in test (line 13) props = regionprops(bw,gray, 'MeanIntensity');

Matlab r2015b I think in the version?

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