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math - Selecting Specific file using uigetfile in Matlab

i am doing small matlab code where have to open a directory and then select image from there , the selected image has to be stored in a variable I i have loaded directory using

  [mat, dirc] = uigetfile('*.png', 'Select a  file');

image is loaded loaded in matlab like this

enter image description here

i want "selected image to be saved in a variable".
Please help me to do it .

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You can read the image file

img = imread( fullfile(dirc, mat) );

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