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- research-articleJuly 2024
Implementing a Machine Learning Deformer for CG Crowds: Our Journey
DigiPro '24: Proceedings of the 2024 Digital Production SymposiumJuly 2024, Article No.: 10, Pages 1–7https://doi.org/10.1145/3665320.3670994CG crowds have become increasingly popular this last decade in the VFX and animation industry: formerly reserved to only a few high end studios and blockbusters, they are now widely used in TV shows or commercials. Yet, there is still one major ...
- research-articleJuly 2024
Cache Points for Production-Scale Occlusion-Aware Many-Lights Sampling and Volumetric Scattering
- Yining Karl Li,
- Charlotte Zhu,
- Gregory Nichols,
- Peter Kutz,
- Wei-Feng Wayne Huang,
- David Adler,
- Brent Burley,
- Daniel Teece
DigiPro '24: Proceedings of the 2024 Digital Production SymposiumJuly 2024, Article No.: 6, Pages 1–19https://doi.org/10.1145/3665320.3670993A hallmark capability that defines a renderer as a production renderer is the ability to scale to handle scenes with extreme complexity, including complex illumination cast by a vast number of light sources. In this paper, we present Cache Points, the ...
- short-paperJuly 2024
Creating Tools for Stylized Design Workflows
DigiPro '24: Proceedings of the 2024 Digital Production SymposiumJuly 2024, Article No.: 7, Pages 1–3https://doi.org/10.1145/3665320.3670991In order to achieve a specific, oil-painting-inspired rendering style, Blender Studio developed a solution based on Blender’s generative geometry and simulation framework “Geometry Nodes”, creating an artist-friendly set of workflows and tools. This ...
- research-articleJuly 2024
Developing a Curve Rigging Toolset: a Case Study in Adapting to Production Changes
DigiPro '24: Proceedings of the 2024 Digital Production SymposiumJuly 2024, Article No.: 8, Pages 1–5https://doi.org/10.1145/3665320.3670990We present an overview of Animal Logic’s curve rigging toolset and its development process, serving as a case study to discuss challenges specific to doing software development for animated feature film production. We will show how R&D projects at ...
- research-articleJuly 2024
Nucleus: A Design System for Animation and VFX Applications
DigiPro '24: Proceedings of the 2024 Digital Production SymposiumJuly 2024, Article No.: 4, Pages 1–10https://doi.org/10.1145/3665320.3670989We describe a plugin-based architecture for developing component-based Qt applications for animation and visual effects, and discuss the benefits this approach offers in terms of code reuse, stability and consistency. We introduce an Application ...
- research-articleJuly 2024
Spear: Across the Streaming Multiprocessors: Porting a Production Renderer to the GPU
DigiPro '24: Proceedings of the 2024 Digital Production SymposiumJuly 2024, Article No.: 5, Pages 1–9https://doi.org/10.1145/3665320.3670988We ported the Sony Pictures Imageworks version of the Arnold Renderer to the GPU using NVIDIA’s OptiX ray tracing toolkit. This required modifying algorithms to run efficiently on the GPU, the use of new software methodologies to better share source ...
- abstractJuly 2024
VolumeMatic and the AI3D.foundation: Text to interactive volume app spatial computing creator app
SIGGRAPH '24: ACM SIGGRAPH 2024 Appy HourJuly 2024, Article No.: 10, Pages 1–3https://doi.org/10.1145/3664294.3664361VolumeMatic is an Apple Vision Pro natural language text to interactive volume app creator app, utilizing the “chat to create" motif. The user can easily create 3D using various AI3D creation methods, such as text to 3D and image to 3D from different ...
- research-articleJuly 2024
DAE-Net: Deforming Auto-Encoder for fine-grained shape co-segmentation
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 82, Pages 1–11https://doi.org/10.1145/3641519.3657528We present an unsupervised 3D shape co-segmentation method which learns a set of deformable part templates from a shape collection. To accommodate structural variations in the collection, our network composes each shape by a selected subset of template ...
- research-articleJuly 2024
Separate-and-Enhance: Compositional Finetuning for Text-to-Image Diffusion Models
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 103, Pages 1–10https://doi.org/10.1145/3641519.3657527Despite recent significant strides achieved by diffusion-based Text-to-Image (T2I) models, current systems are still less capable of ensuring decent compositional generation aligned with text prompts, particularly for the multi-object generation. In ...
- research-articleJuly 2024
ReFiNe: Recursive Field Networks for Cross-Modal Multi-Scene Representation
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 100, Pages 1–9https://doi.org/10.1145/3641519.3657526The common trade-offs of state-of-the-art methods for multi-shape representation (a single model "packing" multiple objects) involve trading modeling accuracy against memory and storage. We show how to encode multiple shapes represented as continuous ...
- research-articleJuly 2024
LOOSECONTROL: Lifting ControlNet for Generalized Depth Conditioning
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 102, Pages 1–11https://doi.org/10.1145/3641519.3657525We present LooseControl to allow generalized depth conditioning for diffusion-based image generation. ControlNet, the SOTA for depth conditioned image generation, produces remarkable results but relies on having access to detailed depth maps for ...
- research-articleJuly 2024
Self-Supervised Video Defocus Deblurring with Atlas Learning
- Lingyan Ruan,
- Martin Bálint,
- Mojtaba Bemana,
- Krzysztof Wolski,
- Hans-Peter Seidel,
- Karol Myszkowski,
- Bin Chen
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 120, Pages 1–11https://doi.org/10.1145/3641519.3657524Misfocus is ubiquitous for almost all video producers, degrading video quality and often causing expensive delays and reshoots. Current autofocus (AF) systems are vulnerable to sudden disturbances such as subject movement or lighting changes commonly ...
- research-articleJuly 2024
Towards Unstructured Unlabeled Optical Mocap: A Video Helps!
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 49, Pages 1–11https://doi.org/10.1145/3641519.3657522Optical motion capture (mocap) requires accurately reconstructing the human body from retroreflective markers, including pose and shape. In a typical mocap setting, marker labeling is an important but tedious and error-prone step. Previous work has ...
- research-articleJuly 2024
Real-Time Hair Rendering with Hair Meshes
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 61, Pages 1–10https://doi.org/10.1145/3641519.3657521Hair meshes are known to be effective for modeling and animating hair in computer graphics. We present how the hair mesh structure can be used for efficiently rendering strand-based hair models on the GPU with on-the-fly geometry generation that ...
- research-articleJuly 2024
ST-4DGS: Spatial-Temporally Consistent 4D Gaussian Splatting for Efficient Dynamic Scene Rendering
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 83, Pages 1–11https://doi.org/10.1145/3641519.3657520Dynamic scene rendering at any novel view continues to be a difficult but important task, especially for high-fidelity rendering quality with efficient rendering speed. The recent 3D Gaussian Splatting, i.e., 3DGS, shows great success for static scene ...
- research-articleJuly 2024
Matting by Generation
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 76, Pages 1–11https://doi.org/10.1145/3641519.3657519This paper introduces an innovative approach for image matting that redefines the traditional regression-based task as a generative modeling challenge. Our method harnesses the capabilities of latent diffusion models, enriched with extensive pre-trained ...
- research-articleJuly 2024
Physics-based Scene Layout Generation from Human Motion
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 45, Pages 1–10https://doi.org/10.1145/3641519.3657517Creating scenes for captured motions that achieve realistic human-scene interaction is crucial for 3D animation in movies or video games. As character motion is often captured in a blue-screened studio without real furniture or objects in place, there ...
- research-articleJuly 2024
Text-Guided Synthesis of Crowd Animation
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 105, Pages 1–11https://doi.org/10.1145/3641519.3657516Creating vivid crowd animations is core to immersive virtual environments in digital games. This work focuses on tackling the challenges of the crowd behavior generation problem. Existing approaches are labor-intensive, relying on practitioners to ...
- research-articleJuly 2024
TEDi: Temporally-Entangled Diffusion for Long-Term Motion Synthesis
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 68, Pages 1–11https://doi.org/10.1145/3641519.3657515The gradual nature of a diffusion process that synthesizes samples in small increments constitutes a key ingredient of Denoising Diffusion Probabilistic Models (DDPM), which have presented unprecedented quality in image synthesis and been recently ...
- research-articleJuly 2024
Lagrangian Covector Fluid with Free Surface
SIGGRAPH '24: ACM SIGGRAPH 2024 Conference PapersJuly 2024, Article No.: 43, Pages 1–10https://doi.org/10.1145/3641519.3657514This paper introduces a novel Lagrangian fluid solver based on covector flow maps. We aim to address the challenges of establishing a robust flow-map solver for incompressible fluids under complex boundary conditions. Our key idea is to use particle ...