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HDR, Panoramas and Tone Mapping Merging several different exposures into a single image

Grainy HDR's?

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  #11  
Old 02-15-2009, 03:35 PM
Tareq Tareq is offline
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Re: Grainy HDR's?

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Originally Posted by Mike Savad View Post
if your doing it in photomatix anything with a big blank spot will show up as noise. white blue, doesn't matter. you need variation. for large spaces of noise, i'll layer in photoshop and mask it out, otherwise when shooting i'll simply avoid shots with large expanses of nothing.


---Mike Savad
Exactly, i found that if i fill my shots with details here and there then i kill any space to get noisy, otherwise any big space with black or blue or gray or any color will show noise definitely even you try to avoid it or even using ISO 100.
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  #12  
Old 02-15-2009, 05:10 PM
Mike Savad Mike Savad is offline
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Re: Grainy HDR's?

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Originally Posted by Tareq View Post
Exactly, i found that if i fill my shots with details here and there then i kill any space to get noisy, otherwise any big space with black or blue or gray or any color will show noise definitely even you try to avoid it or even using ISO 100.

you really can't totally avoid it. if you push the highlight control, it will remove noise, but also fine detail. push the clipping, you fix the blacks but kill shadow. there will always be noise in any shot, and photomatix will always seem to find it and exploit it.

---Mike Savad
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  #13  
Old 02-15-2009, 06:59 PM
Tareq Tareq is offline
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Re: Grainy HDR's?

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Originally Posted by Mike Savad View Post
you really can't totally avoid it. if you push the highlight control, it will remove noise, but also fine detail. push the clipping, you fix the blacks but kill shadow. there will always be noise in any shot, and photomatix will always seem to find it and exploit it.

---Mike Savad
And that's what i am talking about.
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