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Ft Pattern Suppressor

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  • Chain
    replied
    Just extra tips to people scanning old photos they intend to restore, remember the old saying of "crap in = crap out". So here is a couple of things I recommend you do at the scanning step of the process to give yourself a great starting point:
    • Scan at very high resolution. 300 is usually too little. It's best with a bit too much (especially if you intend to use this pattern suppression). You can always reduce the size later (but not the other way around).
    • Make sure no color values are clipping! In other words, no color value should reach 0 or 100% (255 in 8-bit) because this means information is being lost and color correction (and pattern suppression) will be harder to do well. This might mean your raw scan will be a bit low contrast, but that can be easily adjusted later.
    • Scan in RGB, 16 bits per channel (48 bits per pixel). This will increase accuracy of your colors/adjustments, and you avoid banding issues (especially if doing heavier adjustments).
    The above are more on the software side of things. I'm sure some scanning experts can come with some other practical suggestions as well. Here are some other practical suggestions:
    • Make sure the image you are scanning is clean!
    • Make sure the scanner glass is clean! Dust and fingerprints show up on the scan...
    • Calibrate the scanner if you have the means. This ensures more accurate colors.
    • If scanning a picture that has a bit of "3D" structure on the surface, this structure might be exaggerated due to the angle the light in the scanner hits it. To compensate you could scan the image at multiple orientations and merge them. Alignment here will be critical. I have not personally tried this as I don't have any suitable images.

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  • Chain
    replied
    Updated to version 2!

    This thread got taken down for a while, but it's back. Just in case I moved the downloads to ft.rognemedia.no, but you can keep the discussion going right here in this thread if you have any problems or questions.

    Leave a comment:


  • Ron Chambers
    replied
    Re: Ft Pattern Suppressor

    This is a 64 bit version which works on 8, 16, or 32 bit per channel data. Please try it and see if you have any problems.
    RONC
    Last edited by Ron Chambers; 03-31-2018, 06:15 AM.

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  • hhxjf
    replied
    Re: Ft Pattern Suppressor

    非常感谢你
    我很需要64位版本的

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  • badflame
    replied
    Re: Ft Pattern Suppressor

    Thanks, I will practice

    Leave a comment:


  • Chain
    replied
    Re: Ft Pattern Suppressor

    If you have any stars/bright spots they should generally remain covered up; even if they overlap the central axis.

    Attached you can see roughly what I would reveal on your sample image (paint with black on the mask of the suppression layer). I would use a soft brush.

    If you are uncertain if a spot/area should be covered up or revealed, simply try both and see what gives the best result (sometimes the difference can be very small).
    I demonstrate this in the last part of the video tutorial (and it's also mentioned in the stop messages you get when running the action).

    In short, you run the iFt action normally to see your result (but don't merge/trim). If you want to go back and do changes just hide (or delete) the iFt layer and keep working on your mask like nothing happened. Then run iFt again and you will have your 2nd version (and if you just hid the previous one you can now toggle them on/off to compare).
    Attached Files

    Leave a comment:


  • badflame
    replied
    Re: Ft Pattern Suppressor

    I don't know why, because I restarted the computer after install your plugins and not worked, but... a few moments ago I turned on the computer again and Photoshop recognizes the plugins.

    So, problem resoluted.

    I take this opportunity to ask you some questions.

    In one complex pattern like this, we only must paint the central axis? The top and bottom of the vertical axis, that is more thick, is a "star" to preserve. If not, I must paint by white but more thick too?

    https://s26.postimg.org/l1nslzdx5/pattern.jpg

    Also, sometimes, I'm not sure if any shadow in the central axis is a "star" that I must preserve or not.

    https://s26.postimg.org/mtgrgxn09/pattern-2.jpg

    Thanks a lot for your plugins and your assistance.

    Greetigs.
    Last edited by badflame; 03-17-2018, 06:47 PM.

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  • Chain
    replied
    Re: Ft Pattern Suppressor

    I just installed CC2014 to check, and they work fine on CC2014.

    You must have skipped something:

    1. Make sure you use Windows.
    2. Copy the dll-file into the Photoshop installation folder.
    3. Copy the plugin-files into the plug-ins folder.
    4. Restart Photoshop.

    Leave a comment:


  • badflame
    replied
    Re: Ft Pattern Suppressor

    Hi,

    I have CC 2014 and the plugins not appear in the Filter section.

    It's possible to adapt this plugins to work in CC 2014?

    Thanks.

    Leave a comment:


  • stormyboy
    replied
    Re: Ft Pattern Suppressor

    Chain and Ron,
    Thank you both so much for all of your work!
    Tom

    Leave a comment:


  • Ron Chambers
    replied
    Re: Ft Pattern Suppressor

    Get a small ssd on usb.
    I felt like you do about programming windows and it would be worse with MAC.

    Cheers,
    RONC

    Leave a comment:


  • Caravaggio
    replied
    Re: Ft Pattern Suppressor

    I think I'd have to partition the hard drive to run windows 10 on a mac which I wouldn't want to do and I'd probably be lost running windows as I'm so used to mac os.

    Leave a comment:


  • Ron Chambers
    replied
    Re: Pattern Suppressor

    What are chances of MAC version?

    I think Chain's portion is probably suitable now but the Fourier Transform plugins are not. I'm not a programmer as I fixed the Fourier Transform usage within the plugins. If you have a MAC programmer, I have the source code in simple basic C for them to start from (not C++). There is no popup dialog so that difference is gone.

    Can't you use Windows 10 on MAC with Windows Photosoft from Adobe?

    RONC

    Leave a comment:


  • Caravaggio
    replied
    Re: Ft Pattern Suppressor

    Hi Chain,
    Is there any possibility of a mac version of this? I haven't watched the video yet, but your before and after thumbnails look great! Thanks.

    Leave a comment:


  • Ron Chambers
    replied
    Re: Ft Pattern Suppressor

    Originally posted by ApWizard View Post
    Hi there!
    Long time I've logged in!

    That's really outstanding work you guys have done.
    I've watched the video and read all the documentation, well...is Ron a wizard?
    I knew Chain is on another level PS wise but didn't know about Ron C++ spells.

    I'm dreaming about programming my own plugin and I'm learning C# right now to move to C++ in some time.
    So having a little understanding of what you're supposed to do (very little because in C# is like having a bike with the little side-wheels on) my jaw felt off.

    Keep it up guys!!!
    (ApWizard aka sooka from reddit)
    Sorry but my skills are more Fourier Transform than C++. These routines will be placed in the GIT system with the source code which is simple basic C code so that a user can learn about Fourier transforms and Photoshop plugin building. Everything will be there for using Visual Studio Community 2017 to compile and get an 8bf file to use in Photoshop. I have to learn my way in GIT and bring more history of the code together. Will announce here.
    RONC

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