How to get the intensity value of the flower

Question

Malini 2022-9-26

评论： Malini 2022-9-26

Answer 1

Chunru 2022-9-26

im = imread("https://www.mathworks.com/matlabcentral/answers/uploaded_files/1136290/image.jpeg");

whos

Name Size Bytes Class Attributes cmdout 1x33 66 char im 3264x4928x3 48254976 uint8

im = rgb2gray(im); % intensity: gray level here; you may have other defination

imshow(im)

%hold on

viscircles([1200, 1000], 300); % location of one flower

intensity = mean(im(1200+(-100:100), 1000+(-100:100)), 'all'); % average over 200x200 regions

intensity = 103.8454

Malini 2022-9-26

Thank you . But I want the intensity value for all flowers irrespective of the position by removing background

. The size of the flower varies.