New Hi-Def DVX100 clip at DVinfo.net

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Panasonic DVX / DVC Assistant
The 4K DVX200 plus previous Panasonic Pro Line cams: DVX100A, DVC60, DVC30.


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Old December 8th, 2003, 06:15 PM   #1
Barry Wan Kenobi
 
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New Hi-Def DVX100 clip

I think I posted the old DVX100 up-rezzed-to-HD vs. JVC HD1 clip here before, I'm not sure. Anyway, I've since figured out a much better way to up-rez, using S-Spline Pro.

Check out this clip:

http://66.78.26.9/~fiercely/DVXvsJVC/NewDVXvsJVC.mpg

That's the DVX100, up-rezzed to 1280 x 720 by S-Spline Pro, and then imported into Vegas side-by-side with the same clip as shot by the JVC HD1. Then I exported a new MainConcept 720/30P HD file (so in the DVX she'll be a little faster than in the HD1, but it was necessary in order to make a clip that the HD guys can download and play through their cameras).

If you try to play this back on your desktop you'll need a pretty fast computer to keep up the frame rate.
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Old December 8th, 2003, 07:27 PM   #2
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Wow- looks great. Never thought Up rezing would turn out results that looked that good!
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Old December 8th, 2003, 09:11 PM   #3
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Which one is the DVX100 footage? Is it the first one or the second one?
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Old December 8th, 2003, 10:05 PM   #4
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"Which one is the DVX100 footage? "

The one that looks good. ;)

(seriously, the DVX is the first clip, the one that has the S-Spline Pro watermark all over it. The JVC HD1 is the second clip.)
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Old December 9th, 2003, 07:33 AM   #5
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Awesome! Thanks Barry! I'm not familiar with that software though, was the process tedious?
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Old December 9th, 2003, 08:30 AM   #6
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Here I am, all the while thinking the 1st one was the JVC. Man 3ccds really help with color reproduction. The JVC's colors look flat and unsaturated.
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Old December 9th, 2003, 08:53 AM   #7
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I must be the only one not seeing the video- when I click the link, I get a new IE window and a spinning e-globe showing it's trying to get the mpg- but nothing comes down- anyone have any idea why?
(IE for Mac OSX)
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Old December 9th, 2003, 09:21 AM   #8
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Takes a while to load- try right-clicking and choosing "save target as".
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Old December 9th, 2003, 11:10 AM   #9
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<<<-- Originally posted by Barry Green : "Which one is the DVX100 footage? "

The one that looks good. ;)

(seriously, the DVX is the first clip, the one that has the S-Spline Pro watermark all over it. The JVC HD1 is the second clip.) -->>>

Yeah, that's what I thought, but I wanted to be sure. The first clip definitely looks better; I just keep getting more and more impressed with the DVX100. For the price, the image quality simply can't be beat. Thanks for this sample, Barry.
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Old December 9th, 2003, 12:39 PM   #10
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Barry, let be more specific about my question:

>>That's the DVX100, up-rezzed to 1280 x 720 by S-Spline Pro<<

Do you have to do this frame by frame? How long would this process take for 80 minutes worth of footage?
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Old December 9th, 2003, 02:34 PM   #11
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You do NOT have to do it frame-by-frame (thankfully!)

From your editing program you export your video as a series of stills (for 80 minutes' worth, you'll need quite a bit of space -- each frame is about a megabyte, and there's 115,200 frames in 80 minutes -- assuming 24 fps).

That'll create 115,200 frames on your hard disk, named something like Movie000001.tga, Movie000002.tga, etc.

You then open S-Spline Pro and tell it to batch-process those files. This will take a while. I think it was about 7 minutes for the three seconds that I did (on a P4 2.66Ghz). If you have a faster computer obviously it'll take less time. So it'll be hours and hours and hours of up-rezzing, my guess is it'd take around 8 days to do the up-rez. If you have multiple computers, obviously you could divide the task up between them, etc.

You'll also need about 500 mb of space for the up-rezzed files.
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Old December 9th, 2003, 03:07 PM   #12
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Thanks Barry! This is major news!
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Old December 9th, 2003, 07:49 PM   #13
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That's great! We finally get a chance to compare resolution and image quality. I tried up-rezzing DVX100 footage using S-Spline a while back but it was a slow and tedious process.

My workflow consisted of bringing the footage into After Effects, then applying the Magic Bullet de-artifacting filter to eliminate the 4:1:1 compression blocks, then exporting as uncompressed PNG files.

Then I would batch process the up-rez in S-Spline. Problem for me was I had no way to view it on a HDTV so the project was of little interest to me. Plus I was running on an 867Mhz G4 so it was painfully slow.

If you are looking into using this workflow for HD up-rez, then the best camera setting would be 24P/30P with the THIN setting. De-artifact (4:1:1) in After Effects. And use S-Spline for the up-rez.
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Old December 10th, 2003, 06:21 PM   #14
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Presumably a PAL DVX100 would be even better?

Patrick
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Old December 10th, 2003, 07:16 PM   #15
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yeah but not much.
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