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28th April 2007, 14:06 | #363 | Link |
mad computer-scientist
Join Date: Mar 2002
Posts: 1,375
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I haven't been here for some time, so I din't see the requests until today.
I currently can't access the HD with my old programming stuff. But I'll try to get the dlls and sources as soon as I got my new PC and will upload anything I could save to some webspace. THX a lot to anyone providing mirrors. |
28th April 2007, 17:36 | #364 | Link |
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Location: Sweden
Posts: 703
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Thats ok E-Male I got it now. Was a fool not knowing it was in the DLLreq.rar.
But cannot get ChanMix to work. The image just comes out black and white when testing. Converttorgb24().ChanMix(10,10,10).Converttoyv12() Is Chanmix exactly like in photoshop BTW.? In photoshop you can adjust RGB for each. Like: Red: red green blue Constant Green: red green blue Constant Blue: red green blue Constant And values between -200 to +200 |
2nd May 2007, 11:41 | #366 | Link |
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Join Date: May 2006
Posts: 11
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actionman133 could you please post your curve.txt again. And beside this,the Tint function on avisynth homepage (http://avisynth.org/index.php?page=Tint) doesnt work properly.
It says: --------------------------- VirtualDub Error --------------------------- Avisynth open failure: Overlay: Mask and overlay must have the same image size! (Height is not the same) (tint.avs, line 29) (O:\Capture\Project_107\720p.avs, line 33) Any ideas? BR Last edited by Korben; 2nd May 2007 at 11:52. |
4th May 2007, 16:35 | #367 | Link |
Movie buff & shine
Join Date: Jan 2004
Location: Logan, the only hole above ground.
Posts: 257
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Sorry Korben, I've long since deleted that curve file and I can't remember what values I used.
I had a look at the script but I can't see where it's going wrong... What are the dimensions and colourspace of your clip?
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12th May 2007, 14:43 | #369 | Link |
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Join Date: Dec 2005
Location: Sweden
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Another ChannelMixer
Recently my friend Gustaf Ullberg made another ChannelMixer plugin. It is identical to the Photoshop ChannelMixer and it supports RGB24 and RGB32 colorspaces. Hope you like it.
http://redshift.xtreem.nu/gustaf/fil...mixer_v1_0.zip |
18th May 2007, 15:02 | #371 | Link |
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Join Date: Dec 2005
Location: Sweden
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Gicocu bugg?
When using a Photoshop curve with GiCoCu everything works fine but if I use two curves in a row like this:
GiCoCU("C:\Projekt\Curve1.amp",photoshop=true) GiCoCU("C:\Projekt\Curve2.amp",photoshop=true) my image gets a strong blue tint all over. Possible bugg or Im doing something wrong? |
24th July 2007, 11:38 | #376 | Link |
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Join Date: Feb 2003
Location: Zaragoza
Posts: 405
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I'm using the Backwoords script V2F on some DV PAL interlaced footage. It's great! Some thoughts:
1) Anyone has worked out a new version with new plugins, simpler, or with less color conversions? 2) I see in the output (it's a weeding video, outdoors, natural lights) some artifacts, like mosquito noise around edges. I guess it's due to some of the overlay, blur, masks stuff in the scripts. 3) Deinterlacing with leakkerneldeint (0) gives a progressive video and more film look feeling. 4) Grain is difficult, because adding addgrain(18,0,0) it's too much for me. Adding 10 is fine, but I see it too much. It's "over" the picture, not "in" the picture as in film. Adding it on the second step (FILM) brings more edges and it look worst. I've tried noisegenerator.dll and I get weird results, with colour changes. 5) Does someone knows if it'll be better (and quicker/simpler) to apply curves like the Panasonic DVX100 or HVX200 does? Another think is to get them and how to apply them to video.
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24th July 2007, 17:19 | #378 | Link |
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Nice, I'll try one of these. Thanks.
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25th July 2007, 03:22 | #379 | Link | |
interlace this!
Join Date: Jun 2003
Location: i'm in ur transfers, addin noise
Posts: 4,555
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Quote:
applying curves to get a film look is also tricky - 1D LUTs aren't enough to reproduce some of the effects of exposed film. it doesn't take crosstalk into account (channel mixing). a 3D LUT can handle this very well though, and in fact there's a lot going on in the DI world that involves getting good 3d LUTs to simulate certain effects (bleach bypass, certain specific stocks, etc). these tend to be proprietary though, and usually made via direct measurements. i'd love to see a 3d LUT plugin for avisynth, but it'd only be really useful in 10 bits or more (preferably float).
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25th July 2007, 04:50 | #380 | Link |
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Location: Melbourne, Australia
Posts: 3,167
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3d LUT, well it ain't gonna be fast, 256x256x256=16,777,216 table entries. At 3 bytes per entry give a 48Mb table. Certainly do-able with current machines, but oh what it will do to the L1 and L2 caches.
Full 10 bit is even worse, 1024x1024x1024=1,073,741,824 tables entries. At 3 words per entry gives a 6Gb table, sure you could spec an x64 machine to cope. Compromise 10bit might just fit, 1024x256x256=67,108,864 table entries. At 1 word plus 2 bytes per entry gives a 256Mb table. By understanding a particular table some clever tricks may be possible to drastically reduce the load, but then it's not general LUT anymore. |
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