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Category: production
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Unity – HDRI processing
The goal is to clean the initial individual brackets before or at merging time as much as possible.
This means:- keeping original shooting metadata
- de-fringing
- removing aberration (through camera lens data or automatically)
- at 32 bit
- in ACEScg (or ACES) wherever possible
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Open source Cycles render implemented into Gaffer
https://github.com/GafferHQ/gaffer/releases/tag/1.0.3.0
https://github.com/GafferHQ/gaffer/pull/4812
This release introduces support for the open source Cycles renderer. This is introduced as an opt-in feature preview intended for early testing and feedback as breaking changes can be expected while we continue to improve Cycles integration in future releases. As such, the use of Cycles is disabled by default but can be enabled via an environment variable. Additionally we’ve added support for viewing parameter history in the Light Editor, automatic render-time translation of UsdPreviewSurface shaders and UsdLuxLights for Arnold and made the usual small fixes and improvements.
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StudioBinder.com – Photography basics: What is Dynamic Range in Photography
https://www.studiobinder.com/blog/what-is-dynamic-range-photography/
https://www.hdrsoft.com/resources/dri.html#bit-depth
The dynamic range is a ratio between the maximum and minimum values of a physical measurement. Its definition depends on what the dynamic range refers to.
For a scene: Dynamic range is the ratio between the brightest and darkest parts of the scene.
For a camera: Dynamic range is the ratio of saturation to noise. More specifically, the ratio of the intensity that just saturates the camera to the intensity that just lifts the camera response one standard deviation above camera noise.
For a display: Dynamic range is the ratio between the maximum and minimum intensities emitted from the screen.
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NVIDIA GauGAN360 – AI driven latlong HDRI creation tool
https://blogs.nvidia.com/blog/2022/08/09/neural-graphics-sdk-metaverse-content/
Unfortunately, png output only at the moment:
http://imaginaire.cc/gaugan360/
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Peter Timberlake – free high quality practice material for compositors
https://www.petertimberlake.com/practicematerial
“…a bunch of high quality practice material for compositors looking to build their reels. Contains all plates, roto, CG elements, matte paintings, and everything required to start compositing.”
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Academy Software Foundation Siggraph 2022 – New Developments in MaterialX and OSL
https://www.materialx.org/assets/ASWF_OSD2022_MaterialX_OSL_Final.pdf
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StableDiffusion text-to-image applied to videos
#stablediffusion text-to-image checkpoints are now available for research purposes upon request at https://t.co/7SFUVKoUdl
Working on a more permissive release & inpainting checkpoints.
Soon™ coming to @runwayml for text-to-video-editing pic.twitter.com/7XVKydxTeD
— Patrick Esser (@pess_r) August 11, 2022
stablediffusion text-to-image checkpoints are now available for research purposes upon request at https://github.com/CompVis/stable-diffusion
https://github.com/CompVis/stable-diffusion
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Amazon makes AWS Thinkbox software available free
http://www.cgchannel.com/2022/08/amazon-makes-all-aws-thinkbox-software-available-free/
Amazon Web Services (AWS) has made its AWS Thinkbox software products – Deadline, Draft, Krakatoa, Frost, XMesh, Sequoia and Stoke – available for free.
Anyone with a free AWS account can download the software, with 50,000 one-year licences available for each. Users of Deadline and Krakatoa can also obtain Usage-Based Licensing (UBL) render time for free.
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Paul Debevec, Chloe LeGendre, Lukas Lepicovsky – Jointly Optimizing Color Rendition and In-Camera Backgrounds in an RGB Virtual Production Stage
https://arxiv.org/pdf/2205.12403.pdf
RGB LEDs vs RGBWP (RGB + lime + phospor converted amber) LEDs
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9 Best Hacks to Make a Cinematic Video with Any Camera
https://www.flexclip.com/learn/cinematic-video.html
- Frame Your Shots to Create Depth
- Create Shallow Depth of Field
- Avoid Shaky Footage and Use Flexible Camera Movements
- Properly Use Slow Motion
- Use Cinematic Lighting Techniques
- Apply Color Grading
- Use Cinematic Music and SFX
- Add Cinematic Fonts and Text Effects
- Create the Cinematic Bar at the Top and the Bottom
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Willem Zwarthoed – Aces gamut in VFX production pdf
https://www.provideocoalition.com/color-management-part-12-introducing-aces/
Local copy:
https://www.slideshare.net/hpduiker/acescg-a-common-color-encoding-for-visual-effects-applications
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R3DS Wrap4D – generate topology from animated textures
https://www.russian3dscanner.com/wrap4d/
R3DS Wrap4D is an extended version of Wrap designed specifically for 4D processing. It takes a sequence of textured 3D scans as an input and produces a sequence of meshes with a consistent topology as an output.
The solution includes 12 new nodes. At the heart of the pipeline is the FacialWrapping node which combines the power of the BlendWrapping node with the results from the lip and eyelid detector. The idea behind the node is to provide a robust result that doesn’t require cleanup.
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How ‘Dune’ VFX supervisor Paul Lambert invented the Nuke’s Image Based Keyer
So, what is the IBK keyer? The very non-technical answer to that is that the ‘image- based keyer’ is a proprietary keyer in Nuke that typically deals with classic bluescreen or greenscreen plates (that need keying) by recognizing that these plates do not always have uniform color coverage. We’ve all seen uneven blue and greenscreens; that’s one place where the IBK Keyer can come in handy.
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