Horrible camera

vevs Post time 2015-7-28 22:54:06 | Show all posts [Copy link]
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Author: vevs

Horrible camera

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Post time 2015-7-16 22:13:48 | Show all posts
I've resolved most of problems  backing up to factory data.

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Post time 2015-7-16 22:44:43 | Show all posts
i try to factory data reset but same camera problem and also i try to contact many times to umi team but no one reply..

how to solve..?

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Post time 2015-7-16 22:57:46 | Show all posts
SAME PROBLEM

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Post time 2015-7-16 23:36:23 | Show all posts
I've got the feeling that you guys should see it as a "feature" not a problem. The camera just sucks, no way around it and nothing umi can nor probably will do about it...

If you bought eMax for the camera, then you are going to get disappointed. Never trust marketing speeches.  

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Post time 2015-7-17 00:03:16 | Show all posts
THE PROBLEM IS THE ISO OPTION.... AND I CAN NOT SAVE THE OPTIONS IN ENGINIER MODE TO SOLVE IT :s

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Post time 2015-7-28 08:24:27 | Show all posts
I bought two emax and one of them has bad camera focus. Theres serious quality issues. Got bad mic screen speaker ect on both...

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Post time 2015-7-28 16:59:37 | Show all posts
Edited by nananaRev at 2015-7-28 21:40 \n\n Edited by nananaRev at 2015-7-28 21:36 \n\n
OMG I've made a photo and I'm having the same issue as vevs

http://community.umidigi.com/for ... id=470&fromuid=1869

There no way that's the quality of any camera. These are plain compression artifacts - seriously WTH is that?

UMI EMAX



5MP(RANDOM)



Unacceptable.
Either the sensor is over amplified or there no proper power control in kd_camera_hw.c or both's.

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Post time 2015-7-28 22:01:05 | Show all posts
nananaRev replied at 2015-7-28 16:59
Edited by nananaRev at 2015-7-28 21:40 \n\n Edited by nananaRev at 2015-7-28 21:36 \n\n
OMG I've ma ...

You see an improvement if you set the resolution to 13MP with 4:3 aspect ratio and decrease the ISO value 200

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Post time 2015-7-28 22:18:01 | Show all posts
Edited by nananaRev at 2015-7-28 23:00 \n\n
rjainbwr replied at 2015-7-28 22:01
You see an improvement if you set the resolution to 13MP with 4:3 aspect ratio and decrease the IS ...

Nope. The resulting file is the same. Obscene. By the way, it's like if the ISO is begin hardcoded somewhere to 3200 - I'm checking on EngineerMode.

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Post time 2015-7-28 22:54:06 | Show all posts
I believe it is the image compression. At first I thought it was the sharpen filter (because it looks like someone just put too much sharpening on the images), but that sounds like a probable factor. The images are 4160*3120 Yet are only around 1Mb, which means there's a LOT of compression going on. Umi, Is there a way to enable shooting in RAW so we can test this? Or is there a way we can have a compression slider to reduce compression?

Also, I noticed ISO of 100 makes images MUCH better (on rom V02), and going to image properties and setting sharpness to LOW also helps a lot.
I also took a comparison of ISO 400 with sharpness on low and medium. NOTE: THIS LOOKS REALLY BAD BECAUSE I HAD DIGITAL ZOOM IN ALL THE WAY. Doing so provides emphasis on the grain.
Look at the top right corner, where there is orange, and you'll see the difference. Also look at the clarity of the "HP" Also, look at the bottom right corner, with sharpening on medium you can't read "bonus software."
Sharpen low:

Sharpen Medium:


Also, if the eMax is indeed using the Sony Exmor IMX214, it has the ability to shoot 4k@30fps and 720p@120fps (and, of course, 1080p@60fps which is what we're at right now). Could this be enabled for the Lollipop update? That would be really cool.

Try it! Shoot some photos at ISO 100 and sharpen on low, and see if that makes it better! Now, if we can reduce the amount of compression we could probably completely fix the camera grain problem!
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