Film Projects - Revision history

Ivc: /* Quotes */

2011-05-18T21:37:41Z

Quotes

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	Another problem would be video noise, pixels in dark areas where the camera sensor has a hard time determining the image information. This can only be fixed by good noise reduction filters or ,more preferably, a new camera.		Another problem would be video noise, pixels in dark areas where the camera sensor has a hard time determining the image information. This can only be fixed by good noise reduction filters or ,more preferably, a new camera.

	=== ~~Quotes~~ ===		=== References ===

	If you can plan your DV shot to have mostly dark subjects (dark hair & clothing) in front		"If you can plan your DV shot to have mostly dark subjects (dark hair & clothing) in front of a green screen (or bright/blond subjects in front of blue), you can use the color difference key to pull a quick core matte, then turn to a luma-based solution to bring out the edge details."
	of a green screen (or bright/blond subjects in front of blue), you can use the color difference
	key to pull a quick core matte, then turn to a luma-based solution to bring out the edge details.

	With DV and DVCam, you won't have as much color information per pixel due to compression, so		"With DV and DVCam, you won't have as much color information per pixel due to compression, so good mattes are harder to pull. It ends up looking pretty aliased. Both NTSC and Pal DV formats have pretty low sampling (4:1:1 for NTSC and 4:2:0 for Pal)."
	good mattes are harder to pull. It ends up looking pretty aliased. Both NTSC and Pal DV formats
	have pretty low sampling (4:1:1 for NTSC and 4:2:0 for Pal).''

	It was all pixelated and jagged edges. How do u get around this?		"It was all pixelated and jagged edges. How do u get around this? The technique that I've heard used most often is that you blur the UV channels (the chromanance part of the YUV) then mix that back in with the Y (luminance) and your ready to pull a matte. Do just enough blur so the pixelated jagged edges soften. Use that only for pulling the matte. Once you've got your matte, go back and use the original footage for applying the matte."
	The technique that I've heard used most often is that you blur the UV channels (the chromanance
	part of the YUV) then mix that back in with the Y (luminance) and your ready to pull a matte. Do
	just enough blur so the pixelated jagged edges soften. Use that only for pulling the matte. Once
	you've got your matte, go back and use the original footage for applying the matte.''

			=== Reference sites ===
	* [http://forums.cgsociety.org/showthread.php?s=cf5bcfd0ef189ceb485eec675f99884d&p=2911287#post2911287 CGTalk GreenScreen]		* [http://forums.cgsociety.org/showthread.php?s=cf5bcfd0ef189ceb485eec675f99884d&p=2911287#post2911287 CGTalk GreenScreen]
	* [http://www.pcquest.com/content/multimedia/2004/104070101.asp PCQuest Matte creation in After Effects]		* [http://www.pcquest.com/content/multimedia/2004/104070101.asp PCQuest Matte creation in After Effects]

Ivc: /* Blue or Greenscreen */

2011-05-18T14:36:53Z

Blue or Greenscreen

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	[[Image:YUV.png\|thumb\|YUV channels: full picture, Y, U, and V]]		[[Image:YUV.png\|thumb\|YUV channels: full picture, Y, U, and V]]

	~~<small>~~Aka. chroma key, and color keying.~~</small>~~		Aka. chroma key, and color keying.

	Key steps [http://www.vfxtalk.com/forum/showpost.php?p=22262&postcount=8]:		Key steps [http://www.vfxtalk.com/forum/showpost.php?p=22262&postcount=8]:

Ivc at 21:57, 22 April 2008

2008-04-22T21:57:29Z

← Older revision		Revision as of 21:57, 22 April 2008
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			== Tutorials ==

			* [[How to get clean greenscreen key]]

	== Blue or Greenscreen ==		== Blue or Greenscreen ==
	[[Image:YUV.png\|thumb\|YUV channels: full picture, Y, U, and V]]		[[Image:YUV.png\|thumb\|YUV channels: full picture, Y, U, and V]]

Ivc at 00:54, 19 April 2008

2008-04-19T00:54:06Z

← Older revision		Revision as of 00:54, 19 April 2008
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	* [http://www.dvinfo.net/articles/lighting/hdlightkit1.php Build a Light Kit with a Trip to Home Depot]		* [http://www.dvinfo.net/articles/lighting/hdlightkit1.php Build a Light Kit with a Trip to Home Depot]
	* [http://www.videomaker.com/article/12095/ Lighting accessories can be as easy to make as a trip]		* [http://www.videomaker.com/article/12095/ Lighting accessories can be as easy to make as a trip]
			* [http://www.camcorderinfo.com/bbs/t136939.html 24P Scripts for Pulldown Removal]

Ivc: /* Blue or Greenscreen */

2008-04-08T21:21:32Z

Blue or Greenscreen

← Older revision		Revision as of 21:21, 8 April 2008
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	* [http://www.vfxtalk.com/forum/greenscreen-t4756.html VFXTalk GreenScreen]		* [http://www.vfxtalk.com/forum/greenscreen-t4756.html VFXTalk GreenScreen]
	* [http://forums.cgsociety.org/showthread.php?t=53199 Preblur for DV Keying]		* [http://forums.cgsociety.org/showthread.php?t=53199 Preblur for DV Keying]
			* [http://productions.andrewgentle.com/tutorials/deinterlaced_slow_motion/ Smoother Slow Motion from interlaced footage]

	== Programs / Plug-ins ==		== Programs / Plug-ins ==

Ivc: /* Blue or Greenscreen */

2008-04-08T20:53:58Z

Blue or Greenscreen

← Older revision		Revision as of 20:53, 8 April 2008
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	* Use softlights or light diffuser away from the background to get an evenly lit screen		* Use softlights or light diffuser away from the background to get an evenly lit screen
	* Multiple light sources and diffusers to cancel out hard shadows		* Multiple light sources and diffusers to cancel out hard shadows
	* Standing away from the ~~background~~ for smoother or no shadows		* Standing away from the screen for smoother or no shadows and less color spill
	* DV cameras has lower chroma (color) resolution, blur channel before key (see below)		* DV cameras has lower chroma (color) resolution, blur channel before key (see below)

Ivc: /* Quotes */

2008-04-08T20:52:23Z

Quotes

← Older revision		Revision as of 20:52, 8 April 2008
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	* [http://www.dvpa.com/public/537.cfm Basic Motion Tracking in After Effects CS3]		* [http://www.dvpa.com/public/537.cfm Basic Motion Tracking in After Effects CS3]
	* [http://www.vfxtalk.com/forum/greenscreen-t4756.html VFXTalk GreenScreen]		* [http://www.vfxtalk.com/forum/greenscreen-t4756.html VFXTalk GreenScreen]
			* [http://forums.cgsociety.org/showthread.php?t=53199 Preblur for DV Keying]

	== Programs / Plug-ins ==		== Programs / Plug-ins ==

Ivc: /* Lightning */

2008-04-08T19:06:15Z

Lightning

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	* Bounce light off white wall, aluminum foil, or diffuser paper		* Bounce light off white wall, aluminum foil, or diffuser paper
	* Use the manual white balance settings in the camera		* Use the manual white balance settings in the camera

			References:

	* [http://205.214.76.22/showthread.php3?t=2984 Soft Lightning]		* [http://205.214.76.22/showthread.php3?t=2984 Soft Lightning]
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	* [http://www.trustedreviews.com/camcorders/review/2007/10/06/Making-Light-Of-The-Matter/p1 Making Light Of The Matter]		* [http://www.trustedreviews.com/camcorders/review/2007/10/06/Making-Light-Of-The-Matter/p1 Making Light Of The Matter]
	* [http://www.dvinfo.net/articles/lighting/spears1.php Assemble Your Own Low-Budget Light Kit]		* [http://www.dvinfo.net/articles/lighting/spears1.php Assemble Your Own Low-Budget Light Kit]
			* [http://www.dvinfo.net/articles/lighting/hdlightkit1.php Build a Light Kit with a Trip to Home Depot]
	* [http://www.videomaker.com/article/12095/ Lighting accessories can be as easy to make as a trip]		* [http://www.videomaker.com/article/12095/ Lighting accessories can be as easy to make as a trip]

Ivc: /* Lightning */

2008-04-08T18:40:00Z

Lightning

← Older revision		Revision as of 18:40, 8 April 2008
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	* [http://www.trustedreviews.com/camcorders/review/2007/10/06/Making-Light-Of-The-Matter/p1 Making Light Of The Matter]		* [http://www.trustedreviews.com/camcorders/review/2007/10/06/Making-Light-Of-The-Matter/p1 Making Light Of The Matter]
	* [http://www.dvinfo.net/articles/lighting/spears1.php Assemble Your Own Low-Budget Light Kit]		* [http://www.dvinfo.net/articles/lighting/spears1.php Assemble Your Own Low-Budget Light Kit]
			* [http://www.videomaker.com/article/12095/ Lighting accessories can be as easy to make as a trip]

Ivc: /* Blue or Greenscreen */

2008-04-08T18:03:05Z

Blue or Greenscreen

← Older revision		Revision as of 18:03, 8 April 2008
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	* [http://www.kenstone.net/fcp_homepage/chroma_key_fcp_hd_monahan.html Chroma Keying in Final Cut Pro HD]		* [http://www.kenstone.net/fcp_homepage/chroma_key_fcp_hd_monahan.html Chroma Keying in Final Cut Pro HD]
	* [http://www.dvpa.com/public/537.cfm Basic Motion Tracking in After Effects CS3]		* [http://www.dvpa.com/public/537.cfm Basic Motion Tracking in After Effects CS3]
			* [http://www.vfxtalk.com/forum/greenscreen-t4756.html VFXTalk GreenScreen]

	== Programs / Plug-ins ==		== Programs / Plug-ins ==