Wanted to know about Morphological Profiles for different scale values.

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Pranav 2023-7-10

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https://ww2.mathworks.cn/matlabcentral/answers/1993833-wanted-to-know-about-morphological-profiles-for-different-scale-values

评论： Pranav 2023-7-10

I am currenently working on morphological Profiles for multiple scale values. I have written the code for morphological Profiles but not able to convert it for multiple scales. Please Help. Thanks in advance

% Perform Morphological closing operation
closed_image  = imclose(hyperimage,s) ; % here s is the structuring element
% Perform Morphological opening operation
opened_image  = imopen(hyperimage,s) ; 
% calculate morphological Profile
morpho_P = closed_image  - opened_image
 

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Answer 1

Naman 2023-7-10

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https://ww2.mathworks.cn/matlabcentral/answers/1993833-wanted-to-know-about-morphological-profiles-for-different-scale-values#answer_1270103

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Hi Pranav,

There are some changes required in your code to compute Morphological Profiles Feature Extraction for Multiple scale values.

Below is the updated code :

% Define scales for multiscale morphological profile(MMP) computation
scales = [1, 2, 3];
% Initialize cell array
morpho_P = cell(1, numel(scales));
% Compute MMP for each scale
for i = 1:numel(scales)  
    
    % Perform Morphological closing operation
    closed_image  = imclose(hyperimage,s) ; % here s is the structuring element
    % Perform Morphological opening operation
    opened_image  = imopen(hyperimage,s) ; 
    
    % Calculate Morphological Profile
     morpho_P{i} = closed_image - opended_image;
  
    % Downsample the hyperspectral image for the next scale
    hyperimage = imresize(hyperimage, 0.5);
end