First of all, you need to know who is the copyright owner, then you may contact them directly and ask for a permission to do such a thing.
Second of all, you can cite there work, which is a case that you give them a credit for that. Finally, you might ask about the apps that can do what you asked for after you explain what sort of figures you need to edit or redraw.
First of all, you need to know who is the copyright owner, then you may contact them directly and ask for a permission to do such a thing.
Second of all, you can cite there work, which is a case that you give them a credit for that. Finally, you might ask about the apps that can do what you asked for after you explain what sort of figures you need to edit or redraw.