How to Overlap two maps extracted from two methods?

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Dear MATLAB Experts,
I have a query to overlap two maps extracted from two methods. I have attached .mat file and maps obtained (map1.jpg, map2.jpg), and a reference image where two maps are overlapping.
I need to overlap them with different colors, as given in reference map given below.
Look forward to receive your guidence. Many thanks in advance.

Accepted Answer

DGM
DGM on 22 Apr 2022
Depending on what your background image is and how you are going to locate the images atop each other, this may be a start:
load map1.mat
load map2.mat
% reduce the images to a simple binary mask
mask1 = 1-min(imadjust(extraction_fdc1,[0 0.95]),[],3);
mask2 = 1-min(imadjust(extraction_xy,[0 0.95]),[],3);
% create corresponding color fields
color1 = repmat(permute([0.5 0.2 1],[1 3 2]),size(mask1));
color2 = repmat(permute([1 0.2 0.5],[1 3 2]),size(mask2));
% say we have some sort of background image (a map or something)
BG = imread('cameraman.tif');
% display the background image, specifying the image location
imshow(BG,'xdata',[-100 100],'ydata',[-100 100])
hold on
% display the color overlays, specifying the image locations
% apply the masks as alpha
hi = imshow(color1,'xdata',[-100 100],'ydata',[-100 100]);
hi.AlphaData = mask1;
hi = imshow(color2,'xdata',[-100 100],'ydata',[-100 100]);
hi.AlphaData = mask2;
  1 Comment
Amjad Iqbal
Amjad Iqbal on 22 Apr 2022
Perfect @DGM Many thanks for kind guidence. It works accordingly. Much Appreciated.

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