Display as red specific cells of binary image

Hello,

i have a binary image which i display with imshow function of matlab. After that i edit that array at specific cells and i want to display those cells as red with a later imshow call.

How can i do that

Answer 1

[OCDER]

ImBW  = rand(100)>0.5;  %binary image
ImROI = zeros(100, 'logical'); %area you want to show as red
ImROI(25:50, 25:50) = 1; %just creating a random area to show as red

figure(1)
imshow(ImBW)

figure(2)
imshow(im2double(cat(3, ImROI|ImBW, ImBW, ImBW)))

[Zacharias Takakis]

thanks for your answer!