p4p+ Vignetting
1707 24 2018-4-23
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user75ce885ccb
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Har problemer med vignettering når jeg tar et bilde av snø. Det samme på hvite flater. Bildet blir lysere / cyan fra siden. Legger til et bilde. Noen andre som har dette problemet?
s.jpg
2018-4-23
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user75ce885ccb
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#QHaving trouble with vignetting when I take a picture of snow. The same on white surfHaving trouble with vignetting when I take a picture of snow. The same on white surfaces. The image gets brighter / cyan from the side. Adds an image. Anyone else who has this problem?aces. The image gets brighter / cyan from the side. Adds an image. Anyone else who has this problem?uick Reply Here#
2018-4-23
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Montfrooij
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That is strange.
It looks like inverted vignetting. Like the internal correction from the drone over reacted.

Can you try shooting DNG (raw) picture?
That should have the internal corrections off.
2018-4-23
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user75ce885ccb
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Have thought just the same as you! But I doubt if it helps to take pictures in DNG? This image has been taken out of video. But I want to try DNG
2018-4-23
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user75ce885ccb
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Montfrooij Posted at 2018-4-23 10:28
That is strange.
It looks like inverted vignetting. Like the internal correction from the drone over reacted.

I usually use video. I'm playing in 4K (MP4) and take easy pictures out of video. Are there any settings I can do?
2018-4-23
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Eric13
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user75ce885ccb Posted at 2018-4-23 12:09
Have thought just the same as you! But I doubt if it helps to take pictures in DNG? This image has been taken out of video. But I want to try DNG

Yes - shoot RAW (DNG) and when you open it without software correction you will see that the original image is heavily vignetted and distorted.
When you shoot jpg only (which you can do while filming) a frame is being captured.
When you shoot RAW you take a real photo and cannot film at the same time.

See this sample:
The image on top is how it comes out of the camera.
Image below is as software corrects it automatically while opening. You want to futher work on it to optimze it:
sample.jpg
2018-4-23
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Montfrooij
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user75ce885ccb Posted at 2018-4-23 12:34
I usually use video. I'm playing in 4K (MP4) and take easy pictures out of video. Are there any settings I can do?

I don't think there is any other way to turn off the vignetting correction.
So just stop the recording of video, and take a real (DNG) picture.
Afterwards, post process it to your likes.
2018-4-23
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user75ce885ccb
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Eric13 Posted at 2018-4-23 12:40
Yes - shoot RAW (DNG) and when you open it without software correction you will see that the original image is heavily vignetted and distorted.
When you shoot jpg only (which you can do while filming) a frame is being captured.
When you shoot RAW you take a real photo and cannot film at the same time.

The problem is that I use the most video and then the video looks like picture I posted. I can not shoot video in RAW. Are there any settings I can do?
2018-4-23
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Labroides
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user75ce885ccb Posted at 2018-4-23 13:06
The problem is that I use the most video and then the video looks like picture I posted. I can not shoot video in RAW. Are there any settings I can do?

If you want to take a screenshot from video, you have to realise that the quality will be significantly less than it would be if you shoot a proper still photo.
That is the case whether you do it on your computer or if you get the Phantom to grab a still while videoing.
If you want full quality stills, shoot stills.
2018-4-23
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user75ce885ccb
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Labroides Posted at 2018-4-23 14:57
If you want to take a screenshot from video, you have to realise that the quality will be significantly less than it would be if you shoot a proper still photo.
That is the case whether you do it on your computer or if you get the Phantom to grab a still while videoing.
If you want full quality stills, shoot stills.

Yes, I know all this! But I think you misunderstand. I use the droner mostly to shoot video. And then I will get this error on the whole video. Is this an error all DJI drones have, or is it just P4P?
2018-4-24
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Labroides
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user75ce885ccb Posted at 2018-4-24 00:04
Yes, I know all this! But I think you misunderstand. I use the droner mostly to shoot video. And then I will get this error on the whole video. Is this an error all DJI drones have, or is it just P4P?

Since I can't see any error in the image you posted, I can't answer that.
Do you get whatever it is you are worried about when you shoot non-snow subjects?
2018-4-24
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user75ce885ccb
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Labroides Posted at 2018-4-24 01:00
Since I can't see any error in the image you posted, I can't answer that.
Do you get whatever it is you are worried about when you shoot non-snow subjects?

Montfrooij Captain further up in the thread sees the problem, he wrote this: "It's strange. It looks like reverse vignetting." Like the internal correction from the drone above, "Just what I see. The mistake is best on white surfaces like for example. snow!
2018-4-24
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user75ce885ccb
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Montfrooij Posted at 2018-4-23 10:28
That is strange.
It looks like inverted vignetting. Like the internal correction from the drone over reacted.

I do not take much photo, I usually shoot video. Then I will get the error on the video. Is there nothing I can do about it?
2018-4-24
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Montfrooij
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user75ce885ccb Posted at 2018-4-24 05:20
I do not take much photo, I usually shoot video. Then I will get the error on the video. Is there nothing I can do about it?

I’m not sure.
The lens profile might be baked into the video processing.
But you can try RAW video.
And flat profile.
Maybe that helps
2018-4-24
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Labroides
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user75ce885ccb Posted at 2018-4-24 03:10
Montfrooij Captain further up in the thread sees the problem, he wrote this: "It's strange. It looks like reverse vignetting." Like the internal correction from the drone above, "Just what I see. The mistake is best on white surfaces like for example. snow!

Montfrooij also suggests using Raw video (there's no such thing with a Phantom)
I still can't see what you think you can see in that image.
Are you sure there is a real problem?
Can you post an image where it is more obvious?
2018-4-24
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user75ce885ccb
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Labroides Posted at 2018-4-24 14:40
Montfrooij also suggests using Raw video (there's no such thing with a Phantom)
I still can't see what you think you can see in that image.
Are you sure there is a real problem?

It's a real problem when I take video of snow. It is very clear on this picture. Brighten in from the page especially the right side. Significantly darker in the middle. When there are more colors and shades in the subject, it is not a big problem. I looked at another forum, one that had exactly the same problem.
2018-4-24
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user75ce885ccb
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Labroides Posted at 2018-4-24 14:40
Montfrooij also suggests using Raw video (there's no such thing with a Phantom)
I still can't see what you think you can see in that image.
Are you sure there is a real problem?

From Phantom Pilots forum;       https://phantompilots.com/thread ... antom-4-pro.102677/
2018-4-25
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DJI Thor
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May I know which firmware version is your drone running with? Please provide me with the original jpeg+raw format images for further confirmation and list the firmware info (General Settings, About when the drone is connected). You can upload the pictures to Dropbox and paste the link here so I can download it. Thank you.
2018-4-26
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user75ce885ccb
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DJI Thor Posted at 2018-4-26 20:34
May I know which firmware version is your drone running with? Please provide me with the original jpeg+raw format images for further confirmation and list the firmware info (General Settings, About when the drone is connected). You can upload the pictures to Dropbox and paste the link here so I can download it. Thank you.

The picture has been taken out of video. Therefore, there is no data on the image. The video is MP4 (4K) auto. 0.7 + comp for light. Do not have a dropbox. The latest firmware was updated mid 2017
2018-4-27
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DJI Thor
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user75ce885ccb Posted at 2018-4-27 12:01
The picture has been taken out of video. Therefore, there is no data on the image. The video is MP4 (4K) auto. 0.7 + comp for light. Do not have a dropbox. The latest firmware was updated mid 2017

If it is convenient, please try to update the firmware to the latest version V 01.05.0600. If the issue persists, please kindly help to shoot some pictures in J+R mode, upload to Dropbox or Goggle Drive so we can help to check.
2018-4-30
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Labroides
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user75ce885ccb Posted at 2018-4-27 12:01
The picture has been taken out of video. Therefore, there is no data on the image. The video is MP4 (4K) auto. 0.7 + comp for light. Do not have a dropbox. The latest firmware was updated mid 2017

Are you sure there is a real problem?
Can you post some other non-snow pix where the "problem" is visible?
Or is it just this image that you are concerned about.
2018-4-30
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user75ce885ccb
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DJI Thor Posted at 2018-4-30 01:56
If it is convenient, please try to update the firmware to the latest version V 01.05.0600. If the issue persists, please kindly help to shoot some pictures in J+R mode, upload to Dropbox or Goggle Drive so we can help to check.

OK. The snow season is over this year, but I will try to find similar white surfaces
2018-5-1
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StrelokL2
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My P4p with same problem. Then i shoot the snow landscape or snow picture i have cyan vignetting
2018-5-3
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DJI Thor
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user75ce885ccb Posted at 2018-5-1 00:08
OK. The snow season is over this year, but I will try to find similar white surfaces

Thank you for your help.
2018-5-3
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DJI Thor
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StrelokL2 Posted at 2018-5-3 05:21
My P4p with same problem. Then i shoot the snow landscape or snow picture i have cyan vignetting

Is it convenient that you provide me with the firmware info and the original J+R images for further checking? Please upload the photos to Dropbox and paste the link here. Thanks in advance.
2018-5-3
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