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Thread: Auto Level

  1. #1

    Default Auto Level

    Hi Folks,
    What is "auto level" function doing in photoshop?
    Sometime just use this, suddenly my photo comes out a lot better.
    But sometime, the color is way off.

    Can anyone englighten me?

  2. #2
    Member
    Join Date
    Oct 2003
    Location
    Singapore, East
    Posts
    371

    Default

    Quote Originally Posted by amateur_photographer
    Hi Folks,
    What is "auto level" function doing in photoshop?
    Sometime just use this, suddenly my photo comes out a lot better.
    But sometime, the color is way off.

    Can anyone englighten me?
    hmm... me too... sometimes does encounter this problem too.....

    sometimes for a same day shots may have different skin tones colour due to auto leveling.. quite frustrating....

  3. #3
    Member
    Join Date
    Feb 2004
    Location
    England
    Posts
    131

    Default

    Quote Originally Posted by amateur_photographer
    Hi Folks,
    What is "auto level" function doing in photoshop?
    Sometime just use this, suddenly my photo comes out a lot better.
    But sometime, the color is way off.

    Can anyone englighten me?
    If you want to see how 'autolevels' works try using 'levels' yourself and play around. You'll get much better results not using any of the 'auto' functions.

    Basically autolevels looks for the darkest and lightest parts of your photo and re-maps these to Black and White. This often has the effect of improving contrast AND Removing colour casts, but as you have found it can sometimes introduce them. Try using Levels and select the eyedropper tools within levels to set you own black and white points by clicking on your photo till they look right. This is often a good basic way to start correcting colour and contrast in PS

    Stroma

  4. #4

    Default

    Quote Originally Posted by amateur_photographer
    Hi Folks,
    What is "auto level" function doing in photoshop?
    Sometime just use this, suddenly my photo comes out a lot better.
    But sometime, the color is way off.

    Can anyone englighten me?
    "Auto level" = "Enhance per channel contrast"

    You can actually change the default setting and and save your own adjustment.

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