Get the all jpg files
d = dir([path, '\*.jpg']);
Apply loop for each image file of the directory and get the filename
filename = fullfile(d(loop_var).folder,d(loop_var).name);
Get the image modified date and rename using reguler expression
filedetails = imfinfo(filename);
file_time_stamp = regexprep(filedetails.FileModDate, {'[-:]',' '}, {'', '_'});
renamed_filename = [file_time_stamp, '.jpg'];
renamed_filename = fullfile(d(loop_var).folder, renamed_filename);
Then move(rename) the file with modified name as
movefile(filename, renamed_filename);
