Most if not all of my father's Elderhostel courses included a certificate of completion, and his trip to Alaska and Siberia was no exception. Unlike most of them, however, the back of this certificate also contained important information: the signatures of the instructors and fellow participants. Unfortunately, the ink on the front side was heavy, and the paper was thin, so this is what my scan looked like. (Click on any image to enlarge it.)
The signatures are there, but only legible under great magnification.
Being in a phase of exploring what AI can do for me, I decided to give the problem to ChatGPT, as that has been the LLM most useful to me recently. Unfortunately, its reply was to tell me I'd exceeded my upload limit and I would need to wait several hours before it could attend to my request.
Rather than wait, I turned to another LLM in my arsenel: Google's Gemini. Its response: "Can you ask me again later? I'm being asked to create more images than usual, so I can't do that for you right now."
Finally, I went back to Microsoft's Copilot, which was where I had first ventured into the AI world. Copilot was ready and eager to help. Almost immediately it came back with a readable image, and after a little back-and-forth work presented me with this.
One of the interim images, using a white background, looked more professional, but the signatures popped out of this background so clearly that I went with the "old paper" look.
I was duly and truly impressed.
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