Explained: What is Pixel 7’s new Photo Unblur feature

Google’s new Pixel phones have always delivered some great computational photography magic, and every year it brings a new trick with the new Pixel. This year it’s “Photo Unblur”, which promises to take care of the old faded photos in your library.
If you remember, Google last year brought a new feature, “Face Unblur,” to ensure that faces are not blurred in photos, and “Photo Unblur” is an expansion of the same feature.
So let’s say you clicked on a photo a long time ago and we know how slow the camera was back then. As a result, photos may be blurred due to slower shutter speeds or shaky hand movements.
Both use Tensors’ machine learning capabilities, but unlike Face Unblur, which aims to reduce blur when taking photos, Blur photo for the images in the gallery that you clicked on.
With Photo Unblur you can edit old photos as you want; they just need to be on your phone, that’s it. One can retouch the pictures clicked from their old phone as long as the picture is on Google Photos.
How to make Photo Unblur turn on Pixel 7 Work?
Google doesn’t detail exactly what’s going on behind the scenes, but if it does, it appears to build on the “Denoise” and “Sharpen” tools introduced in Google Photos last year.
While photo editors have had sliders for a long time, Google’s technology is a bit different; it analyzes the image and then corrects the noise and sharpness down to the pixel level. To reduce noise, the algorithm combines noisy pixels, which equates to small sampling, and then merges them, producing finer details. To fix sharpness, Google blurs the image by blurring it multiple times.
Photo Unblur is not an automatic process, as Face Blur does its magic in the background. Yet it is yet another example of how photography has come and how visual computing has become.
For now, the “Photo Unblur” feature is still exclusive to the Pixel 7 and 7 Pro, but we can expect it to appear on older Pixel smartphones or it could show up on phones as well. other Android smartphones, with some workarounds.


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