Noise?

Discussion in 'Photography Beginners' Forum' started by daluke09, May 8, 2008.

  1. daluke09

    daluke09 TPF Noob!

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    I have been looking at photos on TPF and at times people say that the picture has noise in it. What does that mean? I have searched the forum and I could not find an explaination. As you can tell i am new to photography. Thanks eveyone.
     
  2. asfixiate

    asfixiate TPF Noob!

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    Noise is inconsistency in colors, unwanted fluctuation of colors, etc.

    Grainy images could be called noisy images, loss of resolution causes noise, etc.

    Take a picture with 1600 ISO and than 100 ISO. COmpare and you'll see it.

    If you saved a High resolution file as a .gif you'd notice loss in color...similar to noise.
     
  3. lockwood81

    lockwood81 TPF Noob!

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  4. daluke09

    daluke09 TPF Noob!

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    Thanks for the explaination.
     
  5. daluke09

    daluke09 TPF Noob!

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    Lookwood thanks a bunch for the link. It did a great job explaining. I don't know why I didn't "Wiki" it. Wikipedia is the 2nd greatest website of all time!
     
  6. elsaspet

    elsaspet TPF Noob!

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    Noise is what some people in the film days referred to as "grain".
    It's not a bad thing if it's intentional. I actually use it a lot, digitally.
     
  7. JustAnEngineer

    JustAnEngineer TPF Noob!

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    Remember back when your TV picture used to have "snow"? That's noise.
     
  8. usayit

    usayit No longer a newbie, moving up!

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    Grain in film is generally less distracting that noise from a digital sensor... if you like grain, you'll like shooting with film.
     
  9. Garbz

    Garbz No longer a newbie, moving up!

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    Or you should get a copy of Alien Skin Exposure which has an excellent grain simulator for photoshop. But I agree with elsaspet noise isn't always a bad thing, especially when taking photos of bands. And even more so when taking black and white photos of garage bands.
     

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