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towne32 said:
Happy to test with a few software packages if you need.
So no changes in the model building for 1.3?
No, the model building is the same as for v1.2.
Ol’ George has the GOUT, I see.
Color matching and prediction: color correction tool v1.3 released! — Page 20
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There actually was a slight green shift in the post 462 regrade. Here's a corrected version:
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That one looks good enough to me.
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fmalover said:
After watching your colour matchings of I can say one problem with the special editions is that they altered the look of the OT to make them look like mid-90s movies to appear more "contemporary" instead of preserving the look of the late 70s-early 80s films they actually are.
This is probably true. In fact I don't think I would've guessed that they actually came from the 70s/80s if the SEs were the first Star Wars movies I watched!
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I've done some more extensive testing with the tool over the past couple of weeks, regrading the opening scene of the first Matrix film Blu-ray to match the PAL DVD. I know spoRv attempted this a while back, but comparing his to mine revealed that DrDre's tool is far more accurate.
First 6 minutes of the film here:
https://mega.nz/#!ExoRjKTb!w1IvRE74YUfyVd_YjnaMT6903w-9A-wlFCK8pwIkjyA
This was a shot-by-shot regrade too. There are some problems with crushed whites, which the tool doesn't handle well as we know, but overall is looks almost exactly like the DVD.
Just a couple of things I thought I'd mention with regards to the tool itself as well. Firstly, it'd be good to have an Abort button somewhere. At the moment if you make a mistake and want to cancel the calculation or conversion, you have to use task manager to shut the program down and then reopen it.
Secondly, I don't know if this is just on my PC, but there were a number of occasions where I'd be building a correction model, and then for no apparent reason the tool would just stop calculating mid-way. The progress bar would hang and my CPU usage would drop to idle. If I recropped the images and tried again it would usually work but not always.
In any case, as I said before it's an awesome program.
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This probably is overthinking a bit but - is there a way to merge multiple color correction models?
My thought is create a separate tool (or integrate into this) that scans a video file for 4 frames - the frame with the most BLUE, the frame with the most RED, the frame with the most GREEN, and the frame where each is represented most equally. Output those untouched frames as png files.
Find the corresponding frames in what you're looking to match.
Create model for BLUE pair, GREEN pair, RED pair, and EQUAL pair.
Then create R, G, and B Predictions for Equal frame. Generate color models for untouched Equal to R-Equal Prediction, (and for BLUE and GREEN).
Then take the Predictions from those three, and average them with the original Equal to Equal Model.
While not as accurate as individual shot correction, I'd imagine the average of those 4 prediction models would give you the most accurate blanket color correction to apply to an entire film.
Preferred Saga:
1,2: Numeraljoker extended
3: L8wrtr
4,6-9: Hal9000
5: Adywan
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STENDEC said:
I've done some more extensive testing with the tool over the past couple of weeks, regrading the opening scene of the first Matrix film Blu-ray to match the PAL DVD. I know spoRv attempted this a while back, but comparing his to mine revealed that DrDre's tool is far more accurate.
First 6 minutes of the film here:
https://mega.nz/#!ExoRjKTb!w1IvRE74YUfyVd_YjnaMT6903w-9A-wlFCK8pwIkjyA
This was a shot-by-shot regrade too. There are some problems with crushed whites, which the tool doesn't handle well as we know, but overall is looks almost exactly like the DVD.
Just a couple of things I thought I'd mention with regards to the tool itself as well. Firstly, it'd be good to have an Abort button somewhere. At the moment if you make a mistake and want to cancel the calculation or conversion, you have to use task manager to shut the program down and then reopen it.
Secondly, I don't know if this is just on my PC, but there were a number of occasions where I'd be building a correction model, and then for no apparent reason the tool would just stop calculating mid-way. The progress bar would hang and my CPU usage would drop to idle. If I recropped the images and tried again it would usually work but not always.
In any case, as I said before it's an awesome program.
I've been trying to include a cancel button, but it turns out to be pretty challenging to do, so hopefully I will be able to include it in a future release.
The hanging of the model building is actually a bug, that has been fixed for v1.3. The LUT's are working, so the release is scheduled for tomorrow.
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STENDEC said:
I've done some more extensive testing with the tool over the past couple of weeks, regrading the opening scene of the first Matrix film Blu-ray to match the PAL DVD. I know spoRv attempted this a while back, but comparing his to mine revealed that DrDre's tool is far more accurate.
First 6 minutes of the film here:
https://mega.nz/#!ExoRjKTb!w1IvRE74YUfyVd_YjnaMT6903w-9A-wlFCK8pwIkjyA
This was a shot-by-shot regrade too. There are some problems with crushed whites, which the tool doesn't handle well as we know, but overall is looks almost exactly like the DVD.
Just a couple of things I thought I'd mention with regards to the tool itself as well. Firstly, it'd be good to have an Abort button somewhere. At the moment if you make a mistake and want to cancel the calculation or conversion, you have to use task manager to shut the program down and then reopen it.
Secondly, I don't know if this is just on my PC, but there were a number of occasions where I'd be building a correction model, and then for no apparent reason the tool would just stop calculating mid-way. The progress bar would hang and my CPU usage would drop to idle. If I recropped the images and tried again it would usually work but not always.
In any case, as I said before it's an awesome program.
That looks brilliant. I am still shocked at how good the results are from this tool.
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Looking forward to testing the LUT version with Nucoda.
Donations welcome: paypal.me/poit
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The interesting thing about all this (apart from how fantastically well Dre's tool works) is watching everyone's preferred grade of the Rebel soldier.
I've looked at that frame on countless prints now, and I agree, if someone sat down to do a grade now, without having seen the film, or a bunch of other 70s cinema/lived through the 70s, and using today's digital grading tools, then most would go with the less red, more tonally balanced look that is popular in some of these grades.
However on film, the guy is a bit red faced and blotchy, being from the red-headed tribes myself, that is pretty much how we show up on film. He's an older, pale guy with sun-damage, and it shows up pretty heavily on the film.
Current sensibilities would have us grade that look away, and make him look more pleasing to the eye, in the 70s typically they wouldn't, he would be red faced and a bit blotchy on-screen, unless he was the leading man/main character, in which case they would have gone to town on make-up.
The original 1977 Star Wars grade is all over the place, probably because of time constraints, the range of film stocks and composites and budgetary pressure, and the tools available at the time. People looked rougher in the 70s, their skin wasn't as good, and they lived a little harder, and you can see that in the original prints, especially on the older characters.
Every colourist that attempts to grade Star Wars now, even if they are looking at the original prints, will do a very different job, and it will most likely be quite different to the original, even if they are trying to capture the same look, and you can see that in the variety of opinions on the un-named trooper here in this thread.
DrDre, thanks for the tool, it is another powerful kit, especially for getting quick preview renders from faded prints, if the LUT is working, then it will be extra fast for knocking out a workprint, thanks for all the effort you are putting into it.
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While regrading Raiders of the Lost Ark, I discovered that the bar brawl scene has been heavily altered in all home video releases. I discussed this in the Raiders regrade thread, but I thought this was interesting to share here as well.
35 mm trailer (white balanced):
Bluray:
Regrade:
Trailer:
Bluray:
Regrade:
The regrade comes a bit closer, but these scenes seem to have been deliberately red shifted. So, this scene needs separate regrading.
Here's my first attempt at manually regrading this scene, since the trailer is not the best quality for color matching with the algorithm, but the colors are consistent with the 35 mm trailer (bluray top, regrade bottom):
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Hard to know if the scenes were changed for home release, or if the trailer wasn't colour timed (which is often the case).
Either way, the tool is working well.
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poita said:
Hard to know if the scenes were changed for home release, or if the trailer wasn't colour timed (which is often the case).
Either way, the tool is working well.
That's true, but hairy_hen was at a viewing of a 35 mm print in 2007, and it did not have the red shift, and looked very much like the trailer, so there were at least some prints that matched the trailer. Also the trailer is for the re-release from 1983, so it's likely that the theatrical print was used for the trailer, and not some raw footage, as could have been the case if the trailer was for the original 1981 release.
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So now that we have 1.3, what we need is an autocrop function that automatically crops one image to match the cropping of another image, or crops them both, if there's incomplete overlap.
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actually, while more time consuming, if the program ran an image registration on our precropped areas, this process would be even more precise I'd imagine.
Preferred Saga:
1,2: Numeraljoker extended
3: L8wrtr
4,6-9: Hal9000
5: Adywan
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Image registration is a massive task, you would be better off pre-registering and cropping your target images before using the colour matching tool.
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bitcoin:13QDjXjt7w7BFiQc4Q7wpRGPtYKYchnm8x
Help get The Original Trilogy preserved!
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poita said:
Image registration is a massive task
That's exactly why I want a simple click-and-drool utility to do it for me ;)
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Nice. How did you figure out how to make the LUTs?
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I sent them the LUT format, then they did all the brain work :)
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Brilliant! I love you nerds.
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I think you need to figure out how to make a plug-in for Resolve. You sell that and make a bunch of dough. Resolve 12 has a new match tool but this works soooo much better. How you get it to work for a GPU I don't know but make yourself some cash. You earned it.
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You don't need a plug-in, just load the LUT into resolve.
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Help get The Original Trilogy preserved!
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I agree, I originally suggested the LUT thing privately, as Dre could potentially sell this software with a bit of extra work. It is based on published algorithms though, so that may cause issues, not sure.
Donations welcome: paypal.me/poit
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Help get The Original Trilogy preserved!
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I know I can load the LUTs into Resolve but it would just be more efficient as a plug-in. You need to make the LUT and then put it into the LUT folder and then re-open Resolve.
A plug-in would be a great next step. But an amazing job never the less. Fantastic work.
Star Wars has truly inspired so many technological advances in our industry. For better or worse. I do feel as though we are starting to get over the shitty hump. I think we are all learning how to use digital to make things better. I recently saw the new Dolby projection system in NY and it's amazing. The Revenant looks absolutely stunning on that screen. I feel as though digital is finally surpassing film in substantial ways.
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In After Effects I'm getting "Unable to apply LUT from selected file".
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