You can use the imgaussfilt() function to smoothen the image
Example code:
I = imread('index.jpeg');
figure();
imshow(I);
I = imgaussfilt(I,2);
figure();
imshow(I);
Before Blur is smoothening is applied
After smoothening is applied
For your reference: https://in.mathworks.com/help/images/apply-gaussian-smoothing-filters-to-images.html
