Deinterlace & Rhea and Square Pixels

[Mayday]

Deinterlace & Rhea
When I choose “Interlaced”, Iris + Proteus are available for upscale but Rhea not, why?
Which deinterlace model is used when I choose “interlaced” + model Iris/Proteus? Does then deinterlace happen?

Square Pixels
My Source is 720 x 576 and I want to scale up to 1440 x 1080

When my Source is MPEG2 then I can choose “Square Pixels” this gives me 1440 x 1080 and it’s Result size/aspect is 4:3, perfect!

But when my Source is h265/h264, then there is no option for “Square Pixels” and it gives me 1440 x 1152, then I can uncheck “Aspect Ratio” and this give me Letterbox, but this is not what I want!

Summary
All I wanna do is deinterlace 720 x 576 first, then Rhea upscale to 1440 x 1080, without Letterbox, but I can’t manage that. There exists content that is stored squesed (in this case 720 x 576) and must be streched to get correct aspect ratio.

[Akila]

Reah is currently not supporting interlace source.
you can deinterlace it using Hybrid 1st then feed TVAI the progressive video and use Reah ai.

As for the 1440x1080 you need to load the video then select square pixel, ONLY then select the output resolution like on your screenshot. that is how I do it and it works all the time.

If for some reason that doesn’t work, just input both resolution manually

[Mayday]

@Akila

Reah is currently not supporting interlace source

Thanks for your Feedback.

“Reah is currently not supporting interlace source”

Yes I see, but this makes no sense, because deinterlace is a standalone task and has nothing to do with enhancer upscale models. I think Rhea was simply forgotten in the dropdownlist.

“you can deinterlace it using “Hybrid”…”

I known, there are tools to do that. Hybrid, or others like Virtualdub can deinterlace, I’m using Handbrake “DComp” for deinterlace. Using third party tools instead do all the workflow in Topaz is not the good way. When I have hunderst of vids it increases the effort enormously.

“As for the 1440x1080 you need to load the video then select square pixel, ONLY then select the output resolution like on your screenshot. that is how I do it and it works all the time.”

Function does not appear. I found out “Square Pixels” is only available when source is “mpeg2” (DVD format). But when I have deinterlaced first (with third party tool or with Topaz in a seperate task), I don’t have the orig mpeg2 encode anymore.

“If for some reason that doesn’t work…”

Seems to be in every reason when Input is not mpeg2

“…just input both resolution manually”

“uncheck aspect” ratio gives give me “letterbox” or is “cropping” my video. But I want streching the in width to aspect ratio 4:3, but Topaz can’t do that.

I can bring down 720 x 576 to aspect ratio 4:3 which is 720 x 540, with a third party tool, but this is time consuming and I loose pixels. Best way is working in Topaz with full pixel size orig. sources.

simple solution: Give users generally the ability of free aspect ratio by stretch or squeese in height and width (without letterbox or cropping)

[alanhusband-677420]

Looking at your screenshots suggests that your h.264 source already has square pixels, which is why square pixels can’t be selected.

Does the h.264 source playback at the correct display aspect ratio (4:3) without any black border? If it’s supposed to have a pixel aspect ratio of 1.07:1 like the mpeg2 source, then the difference might not be very noticeable, depending on the content. A media player like MPC-HC can force a particular display aspect ratio, so you can see if the picture shifts when it is selected.

If the aspect ratio has been incorrectly removed from the h.264 source you could use a tool like mkvtoolnix to rewrap the source with the correct display aspect ratio.

[Mayday]

Yes could be already square pixels…however, I still want 1440x1080, but I can’t get it.

“Does the h.264 source playback at the correct display aspect ratio (4:3) without any black border?”
It seems VLC plays this native 720 x 576 (aspect ratio 5:4), on DVD it plays 4:3

Squeezed content comes from DVDs to max out pixels that can be stored on the disk. I can flag it to play 4:3, otherwise if a player doesn’t read the ratio, it plays 5:4, in this special case it’s not a big deal, because you can hardly see the difference.

The point is, it’s not a good idea saving videos in proprietary 1440 x 1152 pixel format, work with ratio in the container and hope that all players understand it, it’s prone to errors, old baken.

I think users should be able to desqueeze, set height and width as they wish. There is exists anamorphic 16:9, which is stored squeezed (anamorph), this must necessarily be streched, what does Topaz then with this?

[Mayday]

If you have sqeezed content, that must be played strechted 16:9, im sure it looks worser when a video player stretch it, than Topaz upscale this to the finally 16:9 format. Desqueeze from a video player, is without enhacement, like Topaz does. Therefore, it is better not to use anamorphic. Scale up to the final correct aspect ratio with Topaz is better.

[alanhusband-677420]

If you rewrap the source file with a display aspect ratio of 4:3, then TVAI should output to 1440x1080 when you convert to square pixels and upscale.

[Mayday]

Sorry I don’t understand, what means “rewrap” and “TVAI”?

I have a 1 min sample, try upscale this to 1440x1080 (without letterbox and cropping)
Testsample.zip (3.4 MB)

This example is still harmless, but if you have width squezed (4:3 or 5:4) content, which needs to be stretched to 16:9 to get correct ratio, free scaling is mandatory

[alanhusband-677420]

“TVAI” refers to Topaz Video AI.

“Rewrap” means to take the video and audio streams from a video file and put them into a new file container. I took the streams from your Testsample.mp4 video and put them into Testsample.mkv with the correct 4:3 display aspect ratio using mkvtoolnix.

In the screenshot below, I select the video stream, change the aspect ratio properties, then output the new file:

In TVAI, Testsample.mkv now shows the correct pixel aspect ratio, and the ouput can be upscaled to 1440x1080 with square pixels.

Testsample Iris2.zip (13.2 MB)

[ssbroly]

i have tested many options to deinterlace, virtualdub, hybrid with qtgmc, vai, resolve, handbreak. the one that repairs the lines the best is qtgmc, but the one that keeps the maximum details is gpu deinterlacing with vegas pro. the proteus v4 model has become powerful enough to repair the lines that gpu deinterlacing in vegas pro does not repair. try it and you will see that by exporting a video by deinterlacing to uncompressed avi with vegas pro, you will have a little more details than any other method, which will ultimately make your videos a little more realistic

[margaux.topazlabs]

You can enable the ‘second enhancement’ by going to:

Preferences > Advanced > toggle Show Second Enhancement Feature

To run one of the deinterlacing models in the first pass and rhea in the second pass.

[Mayday]

Yes tanks that works. But generally it would be nice when there is a option for completly free scaling as you have many other programs like Video cutter software, VirtualDub, Avidemux etc…remuxing to flag as 16:9 is a additional step and there exists sources that are squeezed wrong, flaging as 16:9 still doesn’t fit then.