It was the same here - shot directly in ProRes 444.
No idea what though
Howard
>________________________________
> From: Igor Majdandzic <[email protected]>
>To: 'Nuke user discussion' <[email protected]>
>Sent: Friday, 29 March 2013, 16:29
>Subject: AW: AW: [Nuke-users] Alexa Artifacts
>
>
>Do you know what caused them?
>
>--
>igor majdandzic
>compositor |
>[email protected]
>BadgerFX | www.badgerfx.com
>
>Von:[email protected]
>[mailto:[email protected]] Im Auftrag von Magno Borgo
>Gesendet: Freitag, 29. März 2013 14:06
>An: Nuke user discussion
>Betreff: Re: AW: [Nuke-users] Alexa Artifacts
>
>I've seen the exactly same artifacts when working on a film shot on Alexa.
>These are nasty specially when keying... same issue, shot directly in Proress
>4444.
>
>Magno.
>
>
>
>We've been having some problems with noise on some footages from Alexa, but
>nothing remotely near to that.
>>
>>diogo
>>
>>On Wed, Mar 27, 2013 at 9:50 PM, Jonathan Egstad <[email protected]>
>>wrote:
>>No idea, but it looks an awful lot like filtering from a slight resize
>>operation.
>>
>>-jonathan
>>
>>On Mar 27, 2013, at 5:29 PM, "Igor Majdandzic" <[email protected]>
>>wrote:
>>do you mean in camera? because that was from the original qt footage
>>>
>>>--
>>>igor majdandzic
>>>compositor |
>>>[email protected]
>>>BadgerFX | www.badgerfx.com
>>>
>>>Von:[email protected]
>>>[mailto:[email protected]] Im Auftrag von Jonathan
>>>Egstad
>>>Gesendet: Donnerstag, 28. März 2013 01:10
>>>An: Nuke user discussion
>>>Cc: Nuke user discussion
>>>Betreff: Re: [Nuke-users] Alexa Artifacts
>>>
>>>Looks like a very slight resize was done.
>>>-jonathan
>>>
>>>On Mar 27, 2013, at 4:56 PM, "Igor Majdandzic" <[email protected]>
>>>wrote:
>>>Hey guys,
>>>>we got footage from a shoot with Alexa being the camera. It was shot in
>>>>ProRess 444. The problem is: The picture has some artifacts which confuse
>>>>me the codec being 444. I attached some images which show some of the grain
>>>>patterns. Is this normal?
>>>>
>>>>thx,
>>>> Igor
>>>>
>>>>
>>>>
>>>>--
>>>>igor majdandzic
>>>>compositor |
>>>>[email protected]
>>>>BadgerFX | www.badgerfx.com
>>>>
>>>>Von:[email protected]
>>>>[mailto:[email protected]] Im Auftrag von Deke
>>>>Kincaid
>>>>Gesendet: Mittwoch, 27. März 2013 23:47
>>>>An: Nuke user discussion
>>>>Betreff: Re: [Nuke-users] FusionI/O and Nuke
>>>>
>>>>Hi Michael
>>>>I'm actually testing this right now as Fusionio just gave us a bunch of
>>>>them. Early tests reveal that with dpx it's awesome but with openexr zip
>>>>compressed file it it is spending more time with compression, not sure if
>>>>it is cpu bound or what(needs more study but its slower). Openexr
>>>>uncompressed files though are considerably superfast but of course the
>>>>issue is that it is 18 meg a frame. These are single layer rgba exr files.
>>>>
>>>>
>>>>-----
>>>>Deke Kincaid
>>>>Creative Specialist
>>>>The Foundry
>>>>Mobile: (310) 883 4313
>>>>Tel: (310) 399 4555 - Fax: (310) 450 4516
>>>>
>>>>The Foundry Visionmongers Ltd.
>>>>Registered in England and Wales No: 4642027
>>>>
>>>>On Wed, Mar 27, 2013 at 3:26 PM, Michael Garrett <[email protected]>
>>>>wrote:
>>>>I'm evaluating one of these at the moment and am interested to know if
>>>>others have got it working with Nuke nicely, meaning, have you been able to
>>>>really utilise the insane bandwidth of this card to massively accelerate
>>>>any part of your day to day compositing?
>>>>
>>>>So far, I've found it has no benefit when localising all Reads in a
>>>>somewhat heavy comp, or even playing back a sequence of exr's or deep
>>>>files, compared to localised sequences on a 10K Raptor drive also in my
>>>>workstation - hopefully I'm missing something big though, this is day one
>>>>after all.
>>>>
>>>>There may be real tangible benefits to putting the Nuke cache on it though
>>>>- I'll see how it goes.
>>>>
>>>>I'm also guessing that as gpu processing becomes more prevalent in Nuke
>>>>that we will see a real speed advantage handing data from a card like this
>>>>straight to the gpu.
>>>>
>>>>Thanks,
>>>>Michael
>>>>
>>>>_______________________________________________
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>>>>http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>>>>
>>><crop-plate.jpg>
>>><crop-plate_areas.jpg>
>>><crop-plate_areas-edgeDetect.jpg>
>>>_______________________________________________
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>>_______________________________________________
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>>
>>_______________________________________________
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>>
>
>
>
>--
>Magno Borgo
>www.boundaryvfx.com
>www.borgo.tv
>Brasil:Curitiba:GMT= -3
>_______________________________________________
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>
>
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