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    %% Annotate Image with Numbers and Strings
%
%%
% Read image.
I = imread('board.tif');
%%
% Create labels of floating point numbers. The floating point numbers 
% relate to confidence value labels.
label_str = cell(3,1);
conf_val = [85.212 98.76 78.342];
for ii=1:3
    label_str{ii} = ['Confidence: ' num2str(conf_val(ii),'%0.2f') '%'];
end
%%
% Set the position for the rectangles as [x y width height].
   position = [23 373 60 66;35 185 77 81;77 107 59 26];
%%
% Insert the labels.
RGB = insertObjectAnnotation(I,'rectangle',position,label_str,...
    'TextBoxOpacity',0.9,'FontSize',18);
%%
% Display the annotated image.
figure
imshow(RGB)
title('Annotated chips');