read images from two main folders

There are two main folders which have 50 sub-folders each. In sub-folders, there are tiff images. How to read images from both the main folders.

[Stephen23]

Read the documentation:

https://www.mathworks.com/help/matlab/import_export/process-a-sequence-of-files.html

And this forum:

https://www.mathworks.com/matlabcentral/answers/57446-faq-how-can-i-process-a-sequence-of-files

[Walter Roberson]

http://www.mathworks.co.uk/matlabcentral/answers/43073-a-guide-to-tags

Answer 1

[Image Analyst]

See attached demos.