function  photo_info( filename )
%PHOTO_INFO Displays information from image file
%   filename = image filename

h = imfinfo(filename);
disp(h);

if isfield(h,'DigitalCamera')
    fprintf('Digital Camera\n');
    disp(h.DigitalCamera);
end

if isfield(h,'ExifThumbnail')
    fprintf('ExifThumbnail\n');
    disp(h.ExifThumbnail);
end

if isfield(h,'GPSInfo')
    fprintf('GPSInfo\n');
    disp(h.GPSInfo);
end

end