Thread: Introducing Iris Paintbox for 3D LUT creation

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  1. #1 Introducing Iris Paintbox for 3D LUT creation 
    For those of you who know me personally and/or follow me virtually via REDUSER or other social media platforms - you know that I love to discover technology based tools in the early stages of development and provide feedback and/or just cheer on the creators and help evangelize the tools.

    You would also know my passion and belief that 3D LUTs are going to change and shape how we create creative images in digital cinema cameras during acquisition and new, more streamlines workflows.

    Rendering is going to go away. Sooner than you think. The top NLEs are all working on realtime CDL and 3D LUT rendering over LOG (and RAW debayered to LOG) footage - coupled with lower cost proxy recorders and GPU advances. The trend that is going to accelerate is doing MORE on the camera. The CAMERA will become the lab - and 3D LUTs will start to play a much bigger part.

    Creating 3D LUTs can be done by creating a look in a DI color grading application like DaVinci and then exporting - or even in Photoshop (newest CC version allows export 3D LUT). You are using traditional color UI tools to manipulate the overall image and then exporting the transform as a 3D LUT. New tools like LATTICE are making it easier and easier to create, preview, translate and re-size 3D LUTs.

    But wouldn’t it be interesting if you could create 3D LUTs in a different way? What if you could actually “sculpt” color in a cube ...

    A while back a Reduser (Hrvoje) hooked me into a beta of some software originally developed for still photographers. It took a very, very different approach to creating 3D LUTS and manipulating color and it got me pretty excited.

    I’m very, very excited to announce Iris Paintbox as we head into NAB2015.



    This tool allows you to go in more detail than typical rudimentary LUT building options and allows getting closer to a final look, while also able to achieve some things grading apps cannot. It allows reaching some results more practically and offers new routes for getting there.

    It can be used at the start of the creative process for imagining color palettes. It can used for pre-visualization and shot/scene consideration, without burned-in image, with cross-platform image transform; during acquisition over the cameras signal path, in the middle of a creative process prior to a grading suite and at the end for final tweaks.

    This is a professional image manipulation tool, primarily targeted to picture look design, which is also a very capable tool for specific picture corrections related to contrast, hue and saturation.


    How does it work:


    It lies on following principles:

    - Separating chrominance and luminance through LAB principle (Luma A/B)

    - Allowing independent modifications

    - Mapping the picture onto a 3D space

    - Allowing more detailed insight into values

    - Ability to re-define ways of mapping and representing the signal through various color
    spaces (LAB, YUV, + unique color spaces)

    - Allowing different perspectives and access to signal depending on priorities and focus
    Ability to shape the signal in any of chosen color spaces

    - This way one can shape only specific hues and signal parts without affecting other parts, differing through hue,
    saturation and lightness values.

    - Ability to export the modifications as a standard 3D LUT

    - Enabling usage on set for pre-visualization in cameras and monitors and in post production for cross application
    workflows

    In a nutshell - imagine representing the signal in a 3D color space, where axis are your chosen signal parameters,
    presented shape as signal values and being able to access those signal values separately and from various angles/
    perspectives, and modify it with different tools.

    TOOLS (main ones):

    A/B Grid tool

    Central tool of the app. Maps colors in LAB or other spaces. Enables modifying separate color tonalities by moving

    the nodes of the grid. Saturation increases towards the edges of the grid. Grind density customizable from 4 to 32
    divisions with 11 available color spaces, from LAB and YUV to unique ones. (export color space is unrelated, this is
    for internal manipulation). There are couple of ways and tools of moving the nodes of the A/B grid.
    The A/B gris has a dual option, with ability to separately affect shadows and highlights and tune their point of
    transition.

    Curves

    Advanced implementation of typical curves. 6 curves controlling brightness curve, saturation curve, and separate
    color curves in 7 color system modes.

    C/L Grids

    Two planes of s 3D cube combined, where vertical axis represents brightness and horizontal saturation > enables
    additional tone and saturation tuning

    2D Curves

    3 planes of an RGB cube where its edges are RGB axes. Diagonal of the cube contains neutral colors, where all
    three components are equal.

    Mask Tool

    Enables additional separation of signal if required. More practical for stills work and direct export from the app and
    useful for on set previz, not intended for final grade due to unpredictability of footage affecting LUT transforms.

    Who is it the app for:

    • Cinematographers and Photographers with advanced knowledge of digital image manipulation

    • Colorists

    • Special effects artists and post production specialists using workflows which rely on custom designed 3DLUTs
    Advantages

    • More intuitive look creation

    • New creative routes

    • Ability to get much closer to the final picture look while the footage is being shot

    I’m told the price will be $250 for the app and I’m encouraging the developer to offer a NAB discount. The website is still under construction - and more information will be added in the coming days - but I wanted to start spreading my excitement for this tool.

    I’m looking forward to showing you guys some more examples and 3D LUT workflows in general.

    It’s very unique tool and in a league of it’s own. I highly encourage all of you to check it out.


    http://irispaintbox.com/
    Mark L. Pederson
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  2. #2  
    Senior Member Nick Morrison's Avatar
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    Thanks Mark!
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  4. #4  
    Moderator Phil Holland's Avatar
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    This appears to be a more robust release of 3DLUT Creator? I've been a long time user and supporter.

    If this is put on by the same folks I'll happily contribute my dollars.
    Phil Holland - Cinematographer - Los Angeles
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  5. #5  
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    Fantastixxxxx ,thanks Mark :)
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  6. #6  
    Thanks Mark, great post.


    A little personal story.


    Roughly 7 years ago, while considering image modifications during a creative process an idea came up to me of a different approach to image manipulation.
    The approach which would allow more access to an image signal and finer shaping of that signal. I developed the concept in my mind, drew sketches of the idea and potential routes, related to signal representation and necessary tools.

    We got accustomed to typical grading approaches dependent on signal representation, thinking mostly in RGB or YUV, many times having to go through complicated processes to reach the desired outcome. We inherited many principles ported from electronic equipment and had to work within those boundaries. The idea which came to me was going past those boundaries. We worked on the tools which affected the signal based on limitations of those tools. We watched the signal on one side while watching the final image on another, while manipulating tools which affected the signal, which affected the final outcome. While juggling RGB or YUV values in endless combinations to reach the very specific goals.

    The picture in my mind was of a route which had the potential of greatly improving that process.


    The Idea.


    The idea was having a feeling of working on the signal itself.

    Making the creative process more direct.


    The idea was adding another dimension.

    Freeing the signal and crafting process from electronic devices-inherited boundaries.


    The idea was the ability to sculpt the signal, the digital quantized structure of what we see when we look at the image.

    Making the creative process more natural, more intuitive, while allowing more specific access with greater control.



    I contacted a few software developers, with a goal of presenting the concept.
    The response did not lead into a productive direction. I have put the concept on the side for the right time and place, when it could flourish properly.

    Fast forward to a period roughly a year ago. I found a Creative Soul which shared the same idea.
    And brought it to life.

    A dream come true. I have offered help. Unconditionally. This tool belongs in this realm. Hats off to the developer. I'm grateful for the opportunity to help this project.


    ...



    I will not attempt to valorize the tool. Creative choices, personal tastes and psychological processes vary, which makes this whole interdisciplinary creative realm so special, and it is up to the Creative to check how it feels and see what it can be done with it.


    What I can safely say though...

    For those of you who enjoy working with imagery, nitpick over tonalities, tend to explore new routes, got accustomed to typical routes while feeling limitations within them...

    Kansas is going bye-bye.


    ...
    Analog > Apollo wooden handgrip http://omeneo.com
    Digital > Primers - professional image transformation tools http://omeneo.com/primers

    imdb


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    Jung/ Carol
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  7. #7  
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    What you all are not saying, but seem to be implying is that Red will be supporting the import of 3D LUTs in a soon to be released firmware update... Say in April?
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  8. #8  
    Quote Originally Posted by Phil Holland View Post
    This appears to be a more robust release of 3DLUT Creator? I've been a long time user and supporter.
    If this is put on by the same folks I'll happily contribute my dollars.
    You may think of it as natural progression towards our realm.
    From look, feel, optimization to purpose and mentality...to some new stuff. Step by step.

    That also covers your FB question. :)
    Oleg is indisposed right now and will be joining us soon.
    Analog > Apollo wooden handgrip http://omeneo.com
    Digital > Primers - professional image transformation tools http://omeneo.com/primers

    imdb


    "Como delfines en el fondo del oceano
    volamos por el universo incentivados por la esperanza"

    "L'esperanza", Sven Väth
    "It's a poor sort of memory that only works backwards"
    Jung/ Carol
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  9. #9  
    Analog > Apollo wooden handgrip http://omeneo.com
    Digital > Primers - professional image transformation tools http://omeneo.com/primers

    imdb


    "Como delfines en el fondo del oceano
    volamos por el universo incentivados por la esperanza"

    "L'esperanza", Sven Väth
    "It's a poor sort of memory that only works backwards"
    Jung/ Carol
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  10. #10  
    Update:

    - Early adopter price is $200 and it is valid until the end of NAB
    - App should be available during next few weeks
    - Trial version to play with is coming as well
    Analog > Apollo wooden handgrip http://omeneo.com
    Digital > Primers - professional image transformation tools http://omeneo.com/primers

    imdb


    "Como delfines en el fondo del oceano
    volamos por el universo incentivados por la esperanza"

    "L'esperanza", Sven Väth
    "It's a poor sort of memory that only works backwards"
    Jung/ Carol
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