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Zion

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Join date
23-Sep-2004
Last activity
21-Jun-2025
Posts
1,995

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Post
#70656
Topic
.: The Zion DVD Project :. (Released)
Time
My color correction process tweaks the brights, mids, and blacks individually. The blacks come out much better than how they look in both the raw capture and Laserschwert's mpeg.

Blasphemy!

How dare you speak ill of CRT. No wonder you want to create a 16:9 version. Because of the limitations of fixed pixels and the inability to change resolution on LCD/Plasma screens, hey? My CRT computer monitor is feeling very sick after displaying that blasphemy, goaghhha CRT FOREVER!

Daniel


lol. I just meant I'd like to see what it looks like on an actual tv. Besides, flaws in images show up much better on LCD/Plasma screens than they do on the not-as-bright CRT's.

And on that note, I didn't get to test out my disc today. Too much football on.

Post
#70604
Topic
.: The Zion DVD Project :. (Released)
Time
Rebelscum, here's an image from an old "Definitive" capture that shows some bad rotting. I don't have anything anywhere near this bad on my new captures, but it gives you an idea of what it looks like:

laser rot

It's true you have to have three exact copies. Even if the color is off on one of them, it makes things look a little wierd and creates some crazy artifacting. In my tests yesterday, the three source captures I used were lined up perfectly and the filter worked like a charm. And you're right, the filter does do a little noise reduction, which is always a good thing.
Post
#70590
Topic
.: The Zion DVD Project :. (Released)
Time
Thanks guys. As always, the help you all have provided me is much appreciated.

Well, I'm making a test disc to take around and play on a few tv's to see how the image quality looks. My friend has a 50" HDTV that should do quite nicely, as I'm anxious to take a look at this thing on something other than my CRT.

What I've done is taken various scenes from ANH and cut them together in Premiere. I've taken the audio stream and saved one copy as PCM and another as AC3. As soon as the mpeg is finished encoding, I'll throw all three of these into scenarist and burn a test RW disc. This should make my Sunday....after the Bronco game of course.
Post
#70561
Topic
.: The Zion DVD Project :. (Released)
Time
You're absolutely right Laserschwert. The convolution3d filter is bringing out the ghosting. So anyway, I guess I didn't look too closely at that last screencap before I posted it last night. I hope you'll let it slide this time though, since it was way past my bed time.

So now without the noise and sharpen filters, I am getting similar results to what you have posted, only the color is looking much better.

I'm going to start experimenting with this TOOT filter now...
Post
#70482
Topic
.: The Zion DVD Project :. (Released)
Time
Here are the screenshots I promised. What I've done is taken shots of the different stages of processing to show you guys how much better the finished product looks.

On the top is the raw capture, the middle is the filtered video, and the bottom is the color corrected video:

http://aptirrelevance.com/videoprojects/images/sample.01.jpg http://aptirrelevance.com/videoprojects/images/sample.05.jpg

As you can see, the filters Laserschwert suggested make a world of difference, as the ghosting is now gone. Thanks again man.
Post
#70295
Topic
.: The Zion DVD Project :. (Released)
Time
Yeah, I think the IVTC may be causing the stairstep. I'm IVTCing with virtualdub, so I don't know if that makes a difference. I'll try the AVIsynth method though. Got any suggestions before I head over to videohelp?

Just read your edited post. That's a great workflow, and very similar to what I'm doing currently. Let's see now if I can make those filters work...


Post
#70292
Topic
.: The Zion DVD Project :. (Released)
Time
lol! Well I'm really glad that someone is taking the time to make suggestions. It bugs me when the only thing people say is "awesome" or "this rulez". Sorry if that sounded a bit sarcastic, it was meant as a genuine compliment. I like it when people point out the flaws in my work and tell me what I need to improve.


Laserschwert, I see what you're saying now with the brightness thing. I'm going to start tinkering around with it right now.
Post
#70284
Topic
.: The Zion DVD Project :. (Released)
Time
Laserschwert, thank you for dissecting my screencaps today and suggesting all of these filters. Seriously, it's great to have someone like you come along and tell me what I could be doing better, I appreciate it.

I'm going to play around with these filters you have mentioned. I've tried out guavacomb, but the rest of them are new to me. Hopefully I can correct the haloing problem. Even if it ups the brightness a bit, it's not that big of a deal since I can always adjust that when I color correct in Premiere.

More screencaps coming tomarrow...
Post
#70214
Topic
.: The Zion DVD Project :. (Released)
Time
Originally posted by: Laserschwert
By the way, Zion, there are still several artifacts I notice on your screenshot. One being a slight "stairstep"-effect on diagonal lines. Did you deinterlace the source? Another thing being a slight ghosting effect... you can see this effect very good on the screenshot of Luke at the homestead watching the binary sunset. The ghosting shows as a slight dark shadow of the video itself, left of Luke's head. There's a good filter to fix that contained in TMPEG, so maybe you might want to take a look into that.

Furthermore, your image looks a bit fuzzy... I guess some sharpening would be appropriate here. Since you're using AviSynth inbetween, I would use the WarpSharp package for it, and add these commands to your script:

Lanczos4Resize(720 * 4, 480 * 4)
XSharpen
Lanczos4Resize(720, 480)


Maybe some noise reduction afterwards would be needed. The video size, of course, depends on what you work with, but I guess you're working at this resolution.

EDIT: Mmh... I guess the first thing should be the removal of the ghosting effect (it would only get worse when sharpening and filtering the image with the ghosting)... although I don't know if there's a VirtualDub-plugin for this. After all, you can't do it in TMPEG, since TMPEG is your last step.


Yeah, that "stairstep" effect bugs the hell out of me. I'm going to mess around and see if I can get rid of it tonight. I've never heard of the warpsharp package, but I'll take a look at it. I'm already employing a number of filters including noise reduction and sharpening. I'll post a few caps of my raw capture to show you how much better the finished product is looking.


As for the black bar issue, you guys pretty much already said it. They have to be encoded into the video.