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Canon XH Series HDV Camcorders
Canon XH G1S / G1 (with SDI), Canon XH A1S / A1 (without SDI).


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Old December 12th, 2007, 12:52 PM   #1
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ghosting?

ive just got an a1 and have been making up a preset to film in murky grey weather(i film kitesurfing) all the colour levels are pushed up high and its giving me the look im after but is ghosting alot, if i flick through the other presets they are fine

which is the best to adjust to reduce the ghosting without loosing too much of my bright colours?
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Old December 12th, 2007, 12:58 PM   #2
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Use your vectorscope to make sure your chroma levels are in spec.
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Old December 12th, 2007, 02:23 PM   #3
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NR1 settings can induce a sort of ghost image on moving objects - is that what you are seeing?
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Old December 12th, 2007, 03:27 PM   #4
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Quote:
Originally Posted by Don Palomaki View Post
- is that what you are seeing?
yes its kind of a ghosting/motion blur type effect, as i said ive only just got the camera so im not very clued up on it yet
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Old December 12th, 2007, 03:41 PM   #5
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thanks!
turned the nr1 off and thats cured it but theres a bit of noise now so i will just have to experiment to find a happy medium
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Old December 12th, 2007, 08:24 PM   #6
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Correct....I recently just started to shut any NR off and the ghosting is no longer visible.

Quote:
Originally Posted by Don Palomaki View Post
NR1 settings can induce a sort of ghost image on moving objects - is that what you are seeing?
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Old December 12th, 2007, 09:45 PM   #7
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Turn up your Coring, turn on NR2. This is probably all you can do I'm afraid.
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Old December 13th, 2007, 07:32 AM   #8
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The NR2 noise filter will soften the image, but it does not have the motion blur of NR1. NR1 uses a temporal noise reduction scheme and that introduces the motion blur/ghost effect.

Check out some of the presets (in the corresponding section here) for low light conditions. They can give you some hints as to directions/settings to try.

And don't forget to consider shower shutter speeds. That might meet your need with less problematic artifacts.
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