how to recombine blocks of an image into one?

Dear sir, I am working on Watermarking. I divided a color host image into blocks using mat2cell. i hid watermark images in respective blocks. i wanted to know how i can recombine the watermarked blocks?

Answer 1

[Kanishk]

If you have divided the image into blocks using "mat2cell", you can always recombine the blocks using MATLAB function "cell2mat".

Here is the MATLAB documentation for "cell2mat" function.

https://www.mathworks.com/help/matlab/ref/cell2mat.html