img_path1 = 'C:\Users\hp\Desktop\New folder (4)\boss_256_0.4\cover';
dinfo = dir( fullfile(img_path1, '*.png') );
filenames = fullfile({dinfo.folder}, {dinfo.name});
numfiles = length(filenames);
results = zeros(numfiles, SomethingAppropriate);
for K = 1 : numfiles
thisfilename = filenames{K};
img1 = imread(thisfilename);
%now process img1
results(K,:) = something appropriate
end
You might also want to start looking at the flows permitted by imageDatastore -- especially in combination with tools such as augmentedImageDatastore which can automatically resize and convert to rgb or grayscale, so that your later code does not need to worry about that.
