Hello, can anyone help me how to find the only whitepixels that mushrooms occupied in given image??

Question

B Anuradha 2021-9-27

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https://ww2.mathworks.cn/matlabcentral/answers/1461819-hello-can-anyone-help-me-how-to-find-the-only-whitepixels-that-mushrooms-occupied-in-given-image

评论： B Anuradha 2021-10-1

采纳的回答： Pratyush Roy

50pic1.jpeg

在 MATLAB Online 中打开

My Code:

clc;
clear all;
close all;
I=imread('50pic1.jpeg'); 
figure;
imshow(I)
g = rgb2gray(I);
figure;
imshow(g)
impixelinfo
BW=imbinarize(g);
figure;
imshow(BW)
noofWhitepixels=sum(BW(:))
disp(noofWhitepixels)

By using this code i am getting All no of whitepixels in an image but i only want whitepixels of mushrooms that occupied in an image

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Answer 1

Pratyush Roy 2021-9-30

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https://ww2.mathworks.cn/matlabcentral/answers/1461819-hello-can-anyone-help-me-how-to-find-the-only-whitepixels-that-mushrooms-occupied-in-given-image#answer_798789

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Hi Anuradha,

As per my understanding you want to find onl the white pixels in the image of the mushroom.

As a workaround, you can try using the imerode function to remove small white patches after binarizing the image with imbinarize. The following code snippet demonstrates the use of bith these functions:

im1 = imread('mushroom.jpeg');
gray_image = rgb2gray(im1);
bw_image = imbinarize(gray_image);
se = strel('line',11,90);
erodedBW = imerode(bw_image,se);
imshow(erodedBW)