Hi,
I have a lot of fun using the Expand feature of Adobe Photoshop. I can reframe my shots the way I want, and the AI detects and applies the correct aperture used. The new creation is realistic and pleasing to the eyes, but there is something that bothers me slightly. Although you cannot see where the original photo ends and where the expansion begins, there is a way to see that with third-party freeware/web tools.
Here is an example: https://assets.adobe.com/id/urn:aaid:sc:EU:eef477a1-e6ba-4524-a42d-436b60c0abba?view=published
Feel free to open the image of my dog and expand it however you like. Save a JPEG file somewhere on your computer and open the expanded image with the freeware tool called Forensically(Google it - it's a web based tool). You don't need to install anything on your computer. The tool operates within your browser. Within the tool, go to Error Level Analysis and slowly lower the JPEG quality down. What you will notice is where the expansion exactly took place. I guess every lens has its own signature, and Photoshop cannot emulate it perfectly. Is there any way that the AI could improve in this regard?
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