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  1. Thread Author  Thread Author    #1  
    ashykat's Avatar

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    Default Color banding on gradients?

    Well I was one of the lucky ones to get my order in right away and my Nexus 4 was delivered yesterday afternoon. It's been great so far, but I've been noticing some color banding on gradients across multiple pictures. It seems most noticeable when it's my wallpaper, and it's noticeable on all brightness settings.

    Is anyone else seeing this?
  2. #2  
    Ziptied's Avatar
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    Default Re: Color banding on gradients?

    Pics?
  3. Thread Author  Thread Author    #3  
    ashykat's Avatar

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    Default Re: Color banding on gradients?

    Here's one that's easy to capture. It's really anything with any sort of gradient that's doing this though.

    Color banding on gradients?-img_0288.jpg
  4. #4  
    Kevin OQuinn's Avatar
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    Default Re: Color banding on gradients?

    Low quality picture OR if its a wallpaper it gets down sampled so as to not hinder performance as much.
  5. Thread Author  Thread Author    #5  
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    Default Re: Color banding on gradients?

    Quote Originally Posted by Kevin O'Quinn View Post
    Low quality picture OR if its a wallpaper it gets down sampled so as to not hinder performance as much.
    Yeah I could understand that if it were only happening on certain pictures, but I'm using normal to high res pictures at the proper size and it's still happening in every picture.
  6. #6  
    Kevin OQuinn's Avatar
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    Default Re: Color banding on gradients?

    Quote Originally Posted by ashykat View Post
    Yeah I could understand that if it were only happening on certain pictures, but I'm using normal to high res pictures at the proper size and it's still happening in every picture.
    Every picture is being used as a wallpaper right?
  7. Thread Author  Thread Author    #7  
    ashykat's Avatar

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    Default Re: Color banding on gradients?

    Correct, and they are pictures I've used with many different devices in the past without issue. Galaxy S3, One X, Note, etc.

    It's happening with stock wallpapers as well, I've just noticed.
  8. Thread Author  Thread Author    #8  
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    Default Re: Color banding on gradients?

    Here's one of the stock wallpapers exhibiting the same behavior. My old iPhone 4 didn't capture it very well but it's still noticeable.

    Attachment 47116
  9. #9  
    Kevin OQuinn's Avatar
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    Default Re: Color banding on gradients?

    Quote Originally Posted by ashykat View Post
    Correct, and they are pictures I've used with many different devices in the past without issue. Galaxy S3, One X, Note, etc.

    It's happening with stock wallpapers as well, I've just noticed.
    Maybe something has changed with the way Android handles wallpapers.

    It's also possible that those phones OEM customizations (Sense, Touchwiz, etc) changed it.
  10. #10  

    Default Re: Color banding on gradients?

    Goto gradcolor.com and create a gradient. If it looks great like it does on my phone then at least you know it's something going on with wallpapers. For what it's worth I don't see any banding at all including wallpapers. But most of mine are predominatly black.
  11. #11  

    Default Re: Color banding on gradients?

    Does this appear like this when you view it in your Gallery on your phone? If not I believe Kevin is right that it will be down sizing the quality for performance. E.g Would they run a 20mb picture when they can downsize it too 200kb?
  12. Thread Author  Thread Author    #12  
    ashykat's Avatar

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    Default Re: Color banding on gradients?

    Strangely enough, it looks okay on gradcolor.com (if I look extra hard I can still see it but I don't think it's cause for concern), but when I view the pictures in the gallery it has the banding again. Very strange...

    This one does it pretty severely in both the gallery and moreso as wallpaper. Does anyone mind testing it out to see if they have similar results?

    https://dl.dropbox.com/u/6774728/-99605976.jpg
  13. #13  

    Default Re: Color banding on gradients?

    Quote Originally Posted by ashykat View Post
    Strangely enough, it looks okay on gradcolor.com (if I look extra hard I can still see it but I don't think it's cause for concern), but when I view the pictures in the gallery it has the banding again. Very strange...

    This one does it pretty severely in both the gallery and moreso as wallpaper. Does anyone mind testing it out to see if they have similar results?

    https://dl.dropbox.com/u/6774728/-99605976.jpg

    Heres a fullscreen shot from in the gallery on my Nexus 4 as well as when it is set to wallpaper... Looks pretty good to me, although I do see some minor banding when blown up..
    Attached Thumbnails Attached Thumbnails Color banding on gradients?-2012-11-17-22.05.22.png   Color banding on gradients?-2012-11-17-22.06.50.png  
  14. #14  

    Default Re: Color banding on gradients?

    I see the banding on the original when zoomed in too on my pc sure your not be mistaken?
  15. #15  

    Default Re: Color banding on gradients?

    Quote Originally Posted by rclifton View Post
    Heres a fullscreen shot from in the gallery on my Nexus 4 as well as when it is set to wallpaper... Looks pretty good to me, although I do see some minor banding when blown up..
    You have to take a picture of your phone's screen, not a screen shot. Screen shots taken via software don't change if you have a defective screen.

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