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Christoph Lassner

16 accepted papers

2023

NeuWigs: A Neural Dynamic Model for Volumetric Hair Capture and Animation

CVPR 2023poster

The capture and animation of human hair are two of the major challenges in the creation of realistic avatars for the virtual reality. Both problems are highly challenging, because hair has complex geometry and appearance, as well as exhibits challenging motion. In this paper, we present a two-stage…

Cited by 16SourcePDFScholar
2022

Free-Viewpoint RGB-D Human Performance Capture and Rendering

ECCV 2022poster

"Capturing and faithfully rendering photorealistic humans from novel views is a fundamental problem for AR/VR applications. While prior work has shown impressive performance capture results in laboratory settings, it is non-trivial to achieve casual free-viewpoint human capture and rendering for uns…

Cited by 17SourcePDFScholar
2022

HVH: Learning a Hybrid Neural Volumetric Representation for Dynamic Hair Performance Capture

CVPR 2022poster

Capturing and rendering life-like hair is particularly challenging due to its fine geometric structure, complex physical interaction and the non-trivial visual appearance that must be captured. Yet, it is a critical component to create believable avatars. In this paper, we address the aforementioned…

Cited by 20PDFcodeScholar
2022

Neural 3D Video Synthesis From Multi-View Video

CVPR 2022oral

We propose a novel approach for 3D video synthesis that is able to represent multi-view video recordings of a dynamic real-world scene in a compact, yet expressive representation that enables high-quality view synthesis and motion interpolation. Our approach takes the high quality and compactness of…

Cited by 486PDFcodeScholar
2022

Self-Supervised Neural Articulated Shape and Appearance Models

CVPR 2022poster

Learning geometry, motion, and appearance priors of object classes is important for the solution of a large variety of computer vision problems. While the majority of approaches has focused on static objects, dynamic objects, especially with controllable articulation, are less explored. We propose a…

Cited by 39PDFcodeScholar
2022

TAVA: Template-Free Animatable Volumetric Actors

ECCV 2022poster

"Coordinate-based volumetric representations have the potential to generate photo-realistic virtual avatars from images. However, virtual avatars need to be controllable and be rendered in novel poses that may not have been observed. Traditional techniques, such as LBS, provide such a controlling fu…

2021

ANR: Articulated Neural Rendering for Virtual Avatars

CVPR 2021poster

Deferred Neural Rendering (DNR) uses a three-step pipeline to translate a mesh representation into an RGB image. The combination of a traditional rendering stack with neural networks hits a sweet spot in terms of computational complexity and realism of the resulting images. Using skinned meshes for…

Cited by 70PDFScholar
2021

Non-Rigid Neural Radiance Fields: Reconstruction and Novel View Synthesis of a Dynamic Scene From Monocular Video

ICCV 2021poster

We present Non-Rigid Neural Radiance Fields (NR-NeRF), a reconstruction and novel view synthesis approach for general non-rigid dynamic scenes. Our approach takes RGB images of a dynamic scene as input (e.g., from a monocular video recording), and creates a high-quality space-time geometry and appea…

Cited by 557PDFScholar
2020

TexMesh: Reconstructing Detailed Human Texture and Geometry from RGB-D Video

ECCV 2020poster

We present TexMesh, a novel approach to reconstruct detailed human meshes with high-resolution full-body texture from RGB-D video. TexMesh enables high quality free-viewpoint rendering of humans. Given the RGB frames, the captured environment map, and the coarse per-frame human mesh from RGB-D track…

Cited by 53SourcePDFScholar
2017

Unite the People: Closing the Loop Between 3D and 2D Human Representations

CVPR 2017poster

3D models provide a common ground for different representations of human bodies. In turn, robust 2D estimation has proven to be a powerful tool to obtain 3D fits "in-the-wild". However, depending on the level of detail, it can be hard to impossible to acquire labeled data for training 2D estimators…

Cited by 680PDFScholar