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Digital cameras have been a mainstream consumer item for over a decade at this point, and smartphone cameras have been fantastic in recent years. As such, the use of film cameras is essentially zero, but many of us still have mountains of old photo albums in the attic. These photos won't last forever, and now Google has released an app that aims to make digitizing them easier. It's called PhotoScan.
There are several apps in the Play Store that claim to scan your photos, but Google says it's approach is better. PhotoScan leverages the power of machine learning to intelligently recreate the physical photo in digital format with no glare or perspective distortion.
If you've ever tried to take a photo of a photo, you know how bad the quality usually is. You're forced to either take a picture head-on and deal with glare, or take it at an angle and end up with a screwed up perspective. PhotoScan eliminates both of those issues because it's not taking a single photo.
To start, you set the photo down and take a picture of it with the app. I know I said you aren't taking a photo of the photo, but this is just to help the app detect the general layout. Four dots will be overlaid in the viewfinder toward the corners of the photo. Simply move the phone to point at each one of those dots until the circle fills up. This is where all of Google's AI magic happens. It filters out all the glare from different individual captures, then slices the photo up into segments. Each one is transformed slightly and reassembled to correct for the subtly different perspectives of each capture.
Your in-app camera roll shows the results from each photo almost instantly, which is quite impressive. There are times when the app can't quite detect the corners of the photo—this usually happens when the original doesn't take up very much of the frame. You can crop the image down manually to adjust the corners, which should give PhotoScan what it needs to output the final image.
Photos that you create with this app can be uploaded to Google Photos and saved to your device. I think the quality of the photos is very good overall. You should try to do your scans in good natural light as the LED on the phone tends to make images cooler than the original. However, the images created by PhotoScan do look like photos, and not photos of photos. It's a free app, so give it a shot.