Image corruption.

Posted on 2011-10-31
Last Modified: 2012-05-12
I received a print job from a customer a few days ago, and one of the images has fine black and white lines running vertically down it.
I am attaching the image here for you to look at.
I have never seen image corruption like this before and I would like to know what could cause it.
It seems almost as if it was damaged before it was compressed, as I can see small reflections of it in the JPG compression artifacts.
If anyone can help me out with possible causes I'd really appreciate it.
Question by:StevenHook
    LVL 13

    Accepted Solution

    I'm not so sure what it is, but it looks that both white and black line exist only in the ellipse background which suggesting that the image damage before processing the oval shape.

    If you having original picture and have known procedure the customer did, then you be able do duplicate the same error.

    Author Comment

    One of my colleagues said he has seen tiff corruption like this, at least I'm pretty sure it happened on the customer side, before transfer.
    LVL 30

    Expert Comment

    by:Paul Sauvé
    Hi Steven,

    I opened your file in Gimp and enlarged it. I can see vertical parallel lines (some black, some white).

    Have you opened the original file received from your client? Have you asked for the file in another format? Is this the original format? Is it a digital photo or a scanned photo? Do other images on your computer show the same corruption?


    Author Comment

    This is the copy the client sent. I am still waiting for another "original" from them. This is the first time I have seen this kind of damage. don't have any other images that show anything like this. none of the other images this client has sent seem to show this kind of damage either.
    It does seem to be "below" the oval mask as Khairil pointed out, which means I presume that the lines were created before the final editing was finished on the customer side.

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