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Bug? Sensor pattern artefacts in overexposed images

P1337
Dear Capture One Pros,

I just started using the Capture One 11.3 trial and I'm pretty impressed by the general image quality. However there is a serious issue. I imported RAW files from my Fujifilm X-E1 as well as X-T2 and both .RAF file types are showing the same strange bug, when parts of the image are overexposed: Where normally should be a pure white area, Capture One now renders a blocky yellow area and if I enlarge this yellow area, a red substructure can be recognized, resembling the X-trans color array on the camera sensor. This effect has never been seen in Lightroom or in-camera developed JPEGs.

sample image
https://www2.pic-upload.de/thumb/36057042/Capture00002.jpg

enlarged yellow area with sensor pattern
https://www2.pic-upload.de/thumb/36057041/pixel.png

It would be a shame to ditch Capture One just because of this strange bug, so every help is appreciated!
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Comments

41 comments

Date Votes
  • Richard OLIER
    [quote="phil_1337" wrote:
    Thanks, i reported it.

    [quote="CCWH" wrote:
    One of my PC use an AMD cpu and the other one used Intel cpu.
    I have the artifacts with AMD cpu.

    CCWH, which AMD processor do you use?


    AMD APU E2 1800.
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  • Richard OLIER
    [quote="nhs" wrote:
    Yeah I'm not alone, same issue many have here.
    Below my system setting:

    - Capture One PRO 11.3.1
    - Fuji X-T3 lossless compressed RAW
    - Windows 7 SP1 64-bit
    - AMD Phenom II x6 1055t
    - AMD Redeon HD ???? (believe HD6770 Graphics)
    - 16 Gb RAM
    - 512 Gb SDD

    Hopefully they fix it soon before my 30 trial days expire 😁


    Could you try this software and your picture with an Intel CPU ?
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  • Richard OLIER
    For me this bug occur only with AMD CPU's .

    I dont have this sensor bug with my Intel CPU + Capture One 11.3.
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  • Dave R
    [quote="phil_1337" wrote:
    [quote="flashbangwallop" wrote:
    hardware acceleration does not make a difference and that the patch gets darker when reducing the exposure.

    Thanks for confirming this. I submitted the log and sysinfo files to the support yesterday, but got no reply yet. Maybe it helps the support, if you also would submit your data to find the root of the problem? For reference you can mention my case number: 301270

    You can open a support case here:


    How to find the log files and create a system information:


    It might be worth asking your supporter to have a close look at OpenCL and what it is doing in this case.
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  • FrustratedOne
    [quote="CCWH" wrote:
    [quote="nhs" wrote:
    Yeah I'm not alone, same issue many have here.
    Below my system setting:

    - Capture One PRO 11.3.1
    - Fuji X-T3 lossless compressed RAW
    - Windows 7 SP1 64-bit
    - AMD Phenom II x6 1055t
    - AMD Redeon HD ???? (believe HD6770 Graphics)
    - 16 Gb RAM
    - 512 Gb SDD

    Hopefully they fix it soon before my 30 trial days expire 😁


    Could you try this software and your picture with an Intel CPU ?


    The same picture is flawlessly processed by the same C1 version on my another Intel notebook.
    It seems to be current c1 version has a serious issue with some AMD CPU. As I read above the older c1 version doesn't have such problems. The question is why?
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  • Richard OLIER
    [quote="nhs" wrote:
    The same picture is flawlessly processed by the same C1 version on my another Intel notebook.
    It seems to be current c1 version has a serious issue with some AMD CPU. As I read above the older c1 version doesn't have such problems. The question is why?


    So this bug is confirmed with AMD CPU's.
    I dont know why Capture One 11.1 work well with AMD CPU's. I've noticed the same issue with Capture One 11.2 and later
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  • NN635879434049646645UL
    I'm new to C1 and currently test C1 Express for Fuji 11.3 - 64 Bit.
    I have the same Problem, but my CPU is Intel. Log File says:

    2018-09-28 21:33:46.752> Logging is now active.
    2018-09-28 21:33:46.752> CPU: GenuineIntel [Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz]
    2018-09-28 21:33:46.752> CPU features: MMX, SSE, SSE2, SSE3, SSSE3, CX8

    So it's definetely no AMD CPU problem.
    It could be an AMD grafic card problem, I use a Radeon RX 460 board.

    What kind of file do you need and how can I upload?
    I have JPG out of Camera, Fuji RAF from X-E3 and JPG output from C1 Express 11.3 with these spacy highlights.

    nimix
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  • SFA
    [quote="NN635879434049646645UL" wrote:
    I'm new to C1 and currently test C1 Express for Fuji 11.3 - 64 Bit.
    I have the same Problem, but my CPU is Intel. Log File says:

    2018-09-28 21:33:46.752> Logging is now active.
    2018-09-28 21:33:46.752> CPU: GenuineIntel [Intel(R) Core(TM)2 CPU 6600 @ 2.40GHz]
    2018-09-28 21:33:46.752> CPU features: MMX, SSE, SSE2, SSE3, SSSE3, CX8

    So it's definetely no AMD CPU problem.
    It could be an AMD grafic card problem, I use a Radeon RX 460 board.

    What kind of file do you need and how can I upload?
    I have JPG out of Camera, Fuji RAF from X-E3 and JPG output from C1 Express 11.3 with these spacy highlights.

    nimix


    We are just Users on the forum with occasional unofficial suggestions from Phase staff offering, mostly, generic help. That's the way things work here.

    Phase prefer to provide a personalised response and encourage people to use their Support Case system - it is open to people trialling the software and of course anyone using the free Express versions.

    I would suggest the best option will be to create a support case and provide the logs and maybe a sample RAF file - but perhaps send the logs and wait to see if the RAF file is needed or not.

    The correlation with AMD previously obererved doe not necessarily imply direct causation BUT there might be some connection to, for example, windows routines or .NET, or whatever that happens to be more prevalent for AMD based systems even if not exclusively letting Intel processors off the hook.

    HTH.


    Grant
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  • daveh_72
    I've raised a case with Phase One today and sent them a RAF file to play with. I've also included a link to this thread.

    I also tried turning off both Hardware Acceleration options in the preferences, restarting C1 and importing a file.
    Same problem.

    I'll see what feedback the case brings!

    Dave
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  • FrustratedOne
    Hi,

    does anyone have any news to this subject?

    brgds
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  • Richard OLIER
    [quote="nhs" wrote:
    Hi,

    does anyone have any news to this subject?

    brgds


    Phase One answer:
    Hi - thanks for writing,

    we are aware of this issue and this is already reported to R&D and we are planning a fix for this shortly.

    Sorry for the trouble


    😄
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