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Prores stripe noise problem in black area

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Hideki Inoue

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Prores stripe noise problem in black area

PostSun Apr 23, 2023 1:58 pm

When I load Prores 444 in Fusion Studio, I get stripe noise in the black areas (RGB=000). At first glance there is no problem, but when the gamma is increased, noise appears. This does not happen with Fusion page in Resolve, AE, etc... I have confirmed this with Fusion Studio v16 to v18. Only v18 shows negative values for black when gamma is increased. Fusion page does not show noise but has a negative value too.

I think this is LD problem.

Left is correct image. Right is Prores 444 with gamma 5.
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Fusion_yiTro6cDuq.png
Fusion_yiTro6cDuq.png (117.64 KiB) Viewed 2984 times
Last edited by Hideki Inoue on Fri May 12, 2023 5:05 am, edited 2 times in total.
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2
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Hideki Inoue

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  • Joined: Sun Nov 23, 2014 8:26 am
  • Location: Tokyo, Japan

Re: Prores 444 stripe noise problem v16 to v18.5b2

PostThu May 11, 2023 8:52 am

Another test. Red areas in extreme CC are black. I exported it as Prores 444 and load into Fusion Studio and Resolve. When I set the gamma of the CC node to 4, only Fusion Studio produces stripe noise.

This is an extreme example, but can be problematic with black-back smoke footages, for example.
Is anyone interested in this?

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stripe_noise.jpg
stripe_noise.jpg (814.41 KiB) Viewed 2763 times
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2
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Hideki Inoue

  • Posts: 209
  • Joined: Sun Nov 23, 2014 8:26 am
  • Location: Tokyo, Japan

Re: Prores stripe noise problem in black area

PostFri May 12, 2023 5:07 am

I found that this problem is not only Prores 444 but also all other prores format (Prores 422HQ, 422 Proxy.....). Confirmed on Intel Mac and Windows.

I have changed the title of this topic.
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2
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Hideki Inoue

  • Posts: 209
  • Joined: Sun Nov 23, 2014 8:26 am
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Re: Prores stripe noise problem in black area

PostMon May 22, 2023 2:49 pm

This problem has not been fixed in v18.5 beta3.
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2
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Hideki Inoue

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  • Joined: Sun Nov 23, 2014 8:26 am
  • Location: Tokyo, Japan

Re: Prores stripe noise problem in black area

PostWed Aug 09, 2023 5:17 am

This has not been fixed in 18.5.

This is not confirmed by the Fusion page or Color page in Resolve 18.5. This is a Fusion Studio only issue.

I just load this prores.
https://drive.google.com/file/d/1BjOqovDrnopyCrKYXZpYmiLJiPyZwDcn/view?usp=sharing

Fusion_DcbyFaFX3Y.jpg
Fusion Studio 18.5
Fusion_DcbyFaFX3Y.jpg (149.93 KiB) Viewed 2196 times

Resolve_wpysbqapOQ.jpg
Resolve Studio 18.5
Resolve_wpysbqapOQ.jpg (61.16 KiB) Viewed 2196 times
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2
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Hideki Inoue

  • Posts: 209
  • Joined: Sun Nov 23, 2014 8:26 am
  • Location: Tokyo, Japan

Re: Prores stripe noise problem in black area

PostTue Aug 15, 2023 3:43 am

In 18.5.1, Still not resolved. Fusion Studio, Windows 10 only issue.
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2
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Hideki Inoue

  • Posts: 209
  • Joined: Sun Nov 23, 2014 8:26 am
  • Location: Tokyo, Japan

Re: Prores stripe noise problem in black area

PostSun Oct 01, 2023 8:23 am

In 18.6, Still not resolved. Only Fusion Studio has this issue on Windows and Mac. Fusion Page in Resolve is fine.
Fusion Studio v18.6.4 / DeckLink Mini Monitor 4K
Intel® Core™ i9-13900KS / 128GB RAM / Nvidia Geforce RTX 4090 (546.33) / Windows 10 Pro 22H2
Intel® Core™ i9-7980XE / 128GB RAM / Nvidia RTX A5000 (536.67) / Windows 10 Pro 22H2

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