Ubi Focus: The hidden camera/edit feature

[lekzzz]

Flipping to some photos the other day, I found an image with a unknow icon/mark on it. When I clicked it, it allowed me te refocus the image... WOW! I was baffeled. I know this from Lytro camera's only.

Googling about it, left another suprise. It's not that documented at all? Only a polish site and a youtube.
I found this link, it also seems a bit Qualcomm related.
https://www.qualcomm.com/invention/research/projects/computer-vision/computational-photography

I have no idea how I managed to enable it, I suspect it depends if the software detects enough depth, that it is than enabled somehow.

Found and translated textclips about it:
Ubi-focus is a possible focus point on any of the pictures after taking it - that is, from the gallery.

And that's it. Anyone know more about this UbiFocus and/or ChromaFlash?

 

[davfiala]

Good morning! We know about this function since Mi4 was announced

 

[lekzzz]

Then how come I can't find anything on this forum or other ones?

But if you are familiar with this feature, I would like to ask: How do I use / enable it?
Because I wasn't aware and I accidentally used it.

 

[Pertti Kosunen]

http://forum.xda-developers.com/mi-4/general/review-xiaomi-mi-4-review-months-usage-t2903427

Another interesting feature is 'Refocus'. As the name clearly suggests, it allows you to focus on parts of an image AFTER clicking. I'm happy to report that it works wonderfully well.

 

[lekzzz]

Yup, but it still isn't clear (to me) how I can use/enable this...

 

[Acid]

Take a photo with refocus enabled and then go to gallery. You will be able to edit that image and set focus.

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