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Messages - 70MM13

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I'm between projects, so I finally got the chance to try your new colour balance functionality, and it's great!

Also, focus dots removal is finally working for me.  I use digital dolly and film exclusively at 3072*1308, so it's never worked before.

I'm so happy with it that I'm trying to reprocess one of my prior videos entirely in mlv app.  So far, it's going extremely well!

One of the shots required a tokina 11-16mm lens, famous for its purple fringing.

Any chance you could add a defringe function?  Rawtherapee does this really well. You just specify the colour, a colour range for the removal, and pixel radius.

I think a lot of users will be thankful.  Most of us have at least one lens that needs this kind of love...

Keep up the excellent work!

+1 for the incredible demosaicing suggestion

Post-processing Workflow / Re: software to process dng?
« on: July 11, 2018, 04:11:59 PM »
I understand.

It's not the best example, but it's all I had readily available.

I don't need to do this often, so it would take quite some time to find better examples...

It's a real game changer for highlight issues in certain conditions.

That's cool.

How long would it take to grab the existing library from rawtherapee?

It is open source.

I find that different algorithms are beneficial for solving different problems.

Almost all the time, amaze is a great choice, but sometimes, it's great to have other options, especially when it solves a problem!

Sorry, the filenames are the algorithms used.

It's RCD.

I've edited the linked post for clarity.

It would be awesome if you guys added more demosaicing algorithms.  Here's an example of one other from rawtherapee:

Post-processing Workflow / Re: software to process dng?
« on: July 11, 2018, 02:33:52 PM »
Here's a quick example...  It's the only suitable shot I have handy at the moment, but it gets the point across.

Amaze shot was done with mlv app.  I then saved the dng and loaded it into rawtherapee for other demosaicing, in this case RCD.  That's why the colours are different.  I did nothing to either program for colours, just defaults.

Before this thread once again fades to oblivion, I'll just provide this final thought:

I'm not looking for reasons NOT to take advantage of this excellent functionality.  I'm not shooting pictures of charts or cats.  I'm making beautiful video using this experiment ISO, without knowing what I'm doing.  I'm just loving the clean shadows and actually using this.

Watch this video, and then you'll see for yourself.

See any aliasing?

I had to use canon ISO for the opening shot because it was filmed at 60fps, and I couldn't get the right results with the iso experiments build.  I had to apply extreme denoising to that shot to get a barely acceptable result, but you can still see how bad it is compared to the rest of the video.

Amplifier optimization is a great tool!

I'll just keep enjoying this incredible capability and scratching my head as to why no one else is.

Post-processing Workflow / Re: software to process dng?
« on: July 11, 2018, 04:08:05 AM »
Yes, that's how it works.

The biggest problem is there's absolutely no video oriented workflow at all.  But if you're performing surgery on a single clip, it's not really an issue.

It's a great tool to have handy, no matter what you use.

Post-processing Workflow / Re: software to process dng?
« on: July 11, 2018, 02:54:34 AM »
I'm running win7 sp1.  Resolve 15 beta installed without any issues.  The machine is air gapped, and nothing else was required.

I hope that helps.

It works very well for quick and convenient grading, and I can do 24fps playback with a couple of nodes in series.

I actually prefer using rawtherapee for post, even on video, although it's agonisingly slow and extremely inconvenient.

Usually I just use resolve unless it's an extremely difficult scene.

Rawtherapee has some excellent demosaicing algorithms that are far superior to amaze for very critical details.

Exactly.  But as I've said all along, I'm not doing anything special or analytical.  I'm just happy with the results I'm getting, and want to see this taken seriously so we can all benefit from this!

Absolutely stunning results!

EDIT: but... after closer look the "optimized" file seems to be amplified by about +0.85EV, i.e. the overall brightness is matched only after pushing the normal ISO100 by +0.85EV from RAW. One can also already notice loss of data in the highlights on the metal cover of the floppy disk on the left. So, unfortunately, it's not comparing apples with apples. I don't say it doesn't have a potential but a better comparison is needed to quantize the difference in DR.

Grab the DNGs and play, or better still, play with the iso experiments tools and help get the ball rolling!

Nice shadows. How's the highlights doing?

ok, here it is!

these images were created by loading the DNGs into mlv app, and dropping the dark strength to zero.

note the aliasing on the dual iso shot.  no surprise there...

also note that the optimised "experiments" shot is beautiful.  no hassle, no slow post processing, no unexpected behaviours and side effects, etc.

the canon 100 iso... sucks.

CAN WE FINALLY DEVELOP THIS????????????????????????
what the.
i'm done pushing for it.  if this isn't enough proof, the world has gone mad.

Don't forget, these results are just from me arbitrarily reducing ISO 200 to 100.  Who knows how much better it can get!

No one will know unless this gets some serious attention.

here's the DNGs, zipped:

funny music poems

Will do.

Yes, you could drop 400 to 100, but 200 is the sweet spot for dynamic range...


Can you compare please 100 from 200 ISO (Your technique) vs Dual ISO 100/800 vs normal Canon ISO at 100. And upload DNG sample please for each one.


Edit: Can you even get 100 from 400 ISO,, its there better result ?

It's a real curiosity that this amplifier optimization is being ignored.

Those using dual iso would benefit from this also, because even at canon iso 100, shadows are just plain ugly.  Not so after gain optimization!

AHH, the joys of bias and prejudice.  Why, I wonder, should it apply to this?


Post-processing Workflow / Re: software to process dng?
« on: July 10, 2018, 12:42:55 PM »
That's great to know!

I've been considering switching back to Linux, having only used it seriously for render farm nodes in the past, running blender.

Post-processing Workflow / Re: software to process dng?
« on: July 10, 2018, 06:29:13 AM »
Davinci resolve runs beautifully on win7...

Also, you can stick with openshot, but use either mlvapp or mlv producer to easily convert your mlv files to a format that openshot works with.

If openshot supports dng, perhaps it's a compression issue?  It might require uncompressed dng.  I'm just guessing here. I've never used openshot.

Share Your Videos / Re: Serious work with the iso experiments
« on: July 09, 2018, 04:33:20 AM »
The mastered version is now linked in the initial message.  If this doesn't convince people of the benefits of the ISO experiments, nothing will.

14 bits lossless cdng is just PERFECT for resolve.

The filesize is respectable, with perfect quality and real-time playback, even at 3K.

Keep adding power to this app and eventually there won't be a need to use anything else except a NLE!

With each new version, I find myself able to use more clips straight from mlvapp!

Unfortunately, the complexity of grading difficult shots is still way out of range, but nothing is impossible if you work toward it!

This is a great program!

Share Your Videos / Re: Serious work with the iso experiments
« on: June 29, 2018, 12:32:27 PM »
Thanks! I think so too.  The wide angle shot really shows what can be done.  That's serious dynamic range.

You're right, it's also a great way to get ISO 50 for extremely bright scenes.

I'm grateful to have even this cumbersome experimental version, but I have no doubt that there's far more potential improvement over the results I'm getting. There's no precision in how I do this. I just tinkered with it and settled on the "reduce by half" method while going through the ISO experiments thread.

It should be done properly!

If more of us are using it, development will surely follow.

Share Your Videos / Re: Serious work with the iso experiments
« on: June 28, 2018, 05:35:13 PM »
Here's a much smaller version of the clip.

It's a hack job, because I didn't want to reencode it, so I was forced to use keyframes from the original, which are few and far between...

Still, you will be able to see the nice clean shadowy details and very bright and nicely exposed subject matter!

Share Your Videos / Re: Serious work with the iso experiments
« on: June 28, 2018, 02:48:29 PM »
It's already at 20 Mbps, but I will do a very short edit to make a smaller file.

The way I'm getting more dynamic range is by really lifting the shadows in post, thanks to the cleaner results I'm getting by using the ISO experiments build.  It makes a big difference for me.

I already posted my settings on the iso experiments thread, although they're nothing special.  I followed Alex's guidelines and I simply drop the adtg gain until the iso is half.  It works for me!

I use the December 2017 ISO experiments build.  It works well but as I noted above, it doesn't do the 50/60p modes as well as the default crop4k build.

I wish that this amplifier optimization would be taken seriously. For me, it's the biggest improvement of any of the ongoing projects.  There's no catch!  No aliasing, no complicated post processing, no surprises, just cleaner video!

Why isn't this being developed???

Share Your Videos / Serious work with the iso experiments
« on: June 28, 2018, 05:13:49 AM »
New link for the mastered version:

I really pushed the limits of what I can do with extreme dynamic range using the iso experiments build on my 5D3.
Lots of content in shadow with a harshly lit subject.

No dual iso, no HDR, just ISO 200 dropped to 100.

The opening shot was done at 60fps using the standard crop rec 4k build.  I couldn't get usable results at high frame rates with the iso experiments build.  You'll notice extra noise in the opening shot.

Shot in 3k, downsampled to 1080 for smaller uploading.

Hevc RGB fullrange (0-255)

Download the file to see it properly.

I'm on both sides of the camera, so it's locked tripod shots when I'm in the frame...

I'm not sure if the https rule applies to goggle drive, but I removed the "s" from the link. If there's a problem, put it back in!

edit:  here's the december 2017 version of the iso research modules - use it with the Dec 2017 crop rec build:

It's great to see this application's capabilities growing.
It is taking up more space in my workflow all the time!

Keep up the great work!

Confirmed here. Same behaviour.
5dmkiii 1.13

I installed it to check, and immediately switched back to the December 2017 build.  It works correctly.

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