How to detect 8 barcode ?

Hello please someone help me to solve my problem, im beginner and still training with matlab but i have a trouble on my program.

Here is my code:

I = imread("multiple.png");
imshow(I)
% ROIs obtained using drawrectangle
roi = [28 69.500000000000000 265 81
   329 74.500000000000000 256 68
   33 2.255000000000000e+02 261 76
   3.280000000000001e+02 2.245000000000000e+02 2.589999999999999e+02 76
   34 3.845000000000000e+02 260 66
   329 3.825000000000000e+02 258 73
   35 5.345000000000000e+02 263 73
   3.280000000000001e+02 5.365000000000000e+02 2.589999999999999e+02 72];
imSize=size(I);
for i=1:size(roi,2)
    [msg, format, locs] = readBarcode(I,roi(i,:));
    disp("Decoded format and message: " + format + ", " + msg)
    
    % Insert a line to indicate the scan row of the barcode.
    xyBegin = locs(1,:);
    I = insertShape(I,"Line",[1 xyBegin(2) imSize(2) xyBegin(2)], ...
        "LineWidth", 5);
    
    % Annotate image with decoded message.
    I = insertText(I, xyBegin, msg, "BoxOpacity", 1, "FontSize", 20);
end
imshow(I)

i want to show the output is 8 barcode scanned but im just can show 4 output, please help me

Thanks