Using PDAF pixels for depth mapping, bokeh simulation

Started Jun 14, 2018 | Discussions thread
(unknown member) Contributing Member • Posts: 975
Google's results can't compete with a dual camera

I haven't read the Google paper, but here's a shorter Google article about exactly the same topic:

https://ai.googleblog.com/2017/10/portrait-mode-on-pixel-2-and-pixel-2-xl.html

However Google's results can't compete with a dual camera currently: https://youtu.be/DiTt4040TZw (or see https://support.google.com/pixelphone/forum/AAAAb4-OgUs7GdpZMw9lok and https://support.google.com/pixelphone/forum/AAAAb4-OgUs6-YPrbPkZXs ) One reason is that Google's method only works with very near objects, they admit this in the paper.

Though Google is expected to release a Pixel 3 in October and everything seems to indicate that Google will again avoid a dual rear camera, so maybe they found a way to improve their method. Interestingly the Pixel 3 is expected to have a dual selfie camera though, probably because the selfie camera doesn't have a dual pixel sensor. This supports the assumption that Google found a way to improve their dual pixel method because I don't think that Google would avoid a dual camera, if the rear camera would lead to worse results than the dual selfie camera.

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