Search Results for author: Aljaž Božič

Found 12 papers, 7 papers with code

ViewDiff: 3D-Consistent Image Generation with Text-to-Image Models

1 code implementation4 Mar 2024 Lukas Höllein, Aljaž Božič, Norman Müller, David Novotny, Hung-Yu Tseng, Christian Richardt, Michael Zollhöfer, Matthias Nießner

In this paper, we present a method that leverages pretrained text-to-image models as a prior, and learn to generate multi-view images in a single denoising process from real-world data.

Denoising Image Generation +1

VR-NeRF: High-Fidelity Virtualized Walkable Spaces

no code implementations5 Nov 2023 Linning Xu, Vasu Agrawal, William Laney, Tony Garcia, Aayush Bansal, Changil Kim, Samuel Rota Bulò, Lorenzo Porzi, Peter Kontschieder, Aljaž Božič, Dahua Lin, Michael Zollhöfer, Christian Richardt

We present an end-to-end system for the high-fidelity capture, model reconstruction, and real-time rendering of walkable spaces in virtual reality using neural radiance fields.

2k

Neural Lens Modeling

no code implementations CVPR 2023 Wenqi Xian, Aljaž Božič, Noah Snavely, Christoph Lassner

Recent methods for 3D reconstruction and rendering increasingly benefit from end-to-end optimization of the entire image formation process.

3D Reconstruction Camera Calibration

Neural Assets: Volumetric Object Capture and Rendering for Interactive Environments

no code implementations12 Dec 2022 Aljaž Božič, Denis Gladkov, Luke Doukakis, Christoph Lassner

Creating realistic virtual assets is a time-consuming process: it usually involves an artist designing the object, then spending a lot of effort on tweaking its appearance.

Neural Rendering Object

RC-MVSNet: Unsupervised Multi-View Stereo with Neural Rendering

1 code implementation8 Mar 2022 Di Chang, Aljaž Božič, Tong Zhang, Qingsong Yan, Yingcong Chen, Sabine Süsstrunk, Matthias Nießner

Finding accurate correspondences among different views is the Achilles' heel of unsupervised Multi-View Stereo (MVS).

Neural Rendering

NPMs: Neural Parametric Models for 3D Deformable Shapes

1 code implementation ICCV 2021 Pablo Palafox, Aljaž Božič, Justus Thies, Matthias Nießner, Angela Dai

Crucially, once learned, our neural parametric models of shape and pose enable optimization over the learned spaces to fit to new observations, similar to the fitting of a traditional parametric model, e. g., SMPL.

Pose Transfer

Neural Non-Rigid Tracking

1 code implementation NeurIPS 2020 Aljaž Božič, Pablo Palafox, Michael Zollhöfer, Angela Dai, Justus Thies, Matthias Nießner

We introduce a novel, end-to-end learnable, differentiable non-rigid tracker that enables state-of-the-art non-rigid reconstruction by a learned robust optimization.

Learning to Optimize Non-Rigid Tracking

no code implementations CVPR 2020 Yang Li, Aljaž Božič, Tianwei Zhang, Yanli Ji, Tatsuya Harada, Matthias Nießner

One of the widespread solutions for non-rigid tracking has a nested-loop structure: with Gauss-Newton to minimize a tracking objective in the outer loop, and Preconditioned Conjugate Gradient (PCG) to solve a sparse linear system in the inner loop.

DeepDeform: Learning Non-rigid RGB-D Reconstruction with Semi-supervised Data

1 code implementation9 Dec 2019 Aljaž Božič, Michael Zollhöfer, Christian Theobalt, Matthias Nießner

Applying data-driven approaches to non-rigid 3D reconstruction has been difficult, which we believe can be attributed to the lack of a large-scale training corpus.

3D Reconstruction RGB-D Reconstruction

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