no code implementations • 27 Feb 2025 • Tobias Kirschstein, Javier Romero, Artem Sevastopolsky, Matthias Nießner, Shunsuke Saito
Finally, we increase robustness by feeding input images with different expressions to our model during training, enabling the reconstruction of 3D head avatars from inconsistent inputs, e. g., an imperfect phone capture with accidental movement, or frames from a monocular video.
no code implementations • 24 Jan 2025 • Shaofei Wang, Tomas Simon, Igor Santesteban, Timur Bagautdinov, Junxuan Li, Vasu Agrawal, Fabian Prada, Shoou-I Yu, Pace Nalbone, Matt Gramlich, Roman Lubachersky, Chenglei Wu, Javier Romero, Jason Saragih, Michael Zollhoefer, Andreas Geiger, Siyu Tang, Shunsuke Saito
This allows us to learn diffuse radiance transfer in a local coordinate frame, which disentangles the local radiance transfer from the articulation of the body.
no code implementations • 8 Aug 2024 • Susana Hahn, Cedric Martens, Amade Nemes, Henry Otunuya, Javier Romero, Torsten Schaub, Sebastian Schellhorn
We are interested in automating reasoning with and about study regulations, catering to various stakeholders, ranging from administrators, over faculty, to students at different stages.
no code implementations • 29 Jan 2024 • Javier Romero, Torsten Schaub, Klaus Strauch
Our question is now whether a constraint learned for particular time steps can be generalized and reused at other time stamps, and ultimately whether this enhances the overall solver performance on temporal problems.
no code implementations • CVPR 2024 • Zhaoxi Chen, Gyeongsik Moon, Kaiwen Guo, Chen Cao, Stanislav Pidhorskyi, Tomas Simon, Rohan Joshi, Yuan Dong, Yichen Xu, Bernardo Pires, He Wen, Lucas Evans, Bo Peng, Julia Buffalini, Autumn Trimble, Kevyn McPhail, Melissa Schoeller, Shoou-I Yu, Javier Romero, Michael Zollhöfer, Yaser Sheikh, Ziwei Liu, Shunsuke Saito
To simplify the personalization process while retaining photorealism, we build a powerful universal relightable prior based on neural relighting from multi-view images of hands captured in a light stage with hundreds of identities.
1 code implementation • CVPR 2024 • Evonne Ng, Javier Romero, Timur Bagautdinov, Shaojie Bai, Trevor Darrell, Angjoo Kanazawa, Alexander Richard
We present a framework for generating full-bodied photorealistic avatars that gesture according to the conversational dynamics of a dyadic interaction.
no code implementations • 14 Nov 2023 • Wojciech Zielonka, Timur Bagautdinov, Shunsuke Saito, Michael Zollhöfer, Justus Thies, Javier Romero
We present Drivable 3D Gaussian Avatars (D3GA), the first 3D controllable model for human bodies rendered with Gaussian splats.
no code implementations • 10 Nov 2023 • Jingfan Guo, Fabian Prada, Donglai Xiang, Javier Romero, Chenglei Wu, Hyun Soo Park, Takaaki Shiratori, Shunsuke Saito
Registering clothes from 4D scans with vertex-accurate correspondence is challenging, yet important for dynamic appearance modeling and physics parameter estimation from real-world data.
no code implementations • 11 Oct 2022 • Nataniel Ruiz, Miriam Bellver, Timo Bolkart, Ambuj Arora, Ming C. Lin, Javier Romero, Raja Bala
Training of BMnet is performed on data from real human subjects, and augmented with a novel adversarial body simulator (ABS) that finds and synthesizes challenging body shapes.
no code implementations • 30 Jun 2022 • Donglai Xiang, Timur Bagautdinov, Tuur Stuyck, Fabian Prada, Javier Romero, Weipeng Xu, Shunsuke Saito, Jingfan Guo, Breannan Smith, Takaaki Shiratori, Yaser Sheikh, Jessica Hodgins, Chenglei Wu
The key idea is to introduce a neural clothing appearance model that operates on top of explicit geometry: at training time we use high-fidelity tracking, whereas at animation time we rely on physically simulated geometry.
1 code implementation • 23 Jun 2022 • Susana Hahn, Tomi Janhunen, Roland Kaminski, Javier Romero, Nicolas Rühling, Torsten Schaub
We present plingo, an extension of the ASP system clingo with various probabilistic reasoning modes.
1 code implementation • 25 Mar 2022 • Ziqian Bai, Timur Bagautdinov, Javier Romero, Michael Zollhöfer, Ping Tan, Shunsuke Saito
In this work, for the first time, we enable autoregressive modeling of implicit avatars.
no code implementations • 7 Jan 2022 • Javier Romero, Dimitrios Tzionas, Michael J. Black
We attach MANO to a standard parameterized 3D body shape model (SMPL), resulting in a fully articulated body and hand model (SMPL+H).
no code implementations • 11 Nov 2021 • Jorge Fandinno, Seemran Mishra, Javier Romero, Torsten Schaub
We take up an idea from the folklore of Answer Set Programming, namely that choices, integrity constraints along with a restricted rule format is sufficient for Answer Set Programming.
no code implementations • ICCV 2021 • Soubhik Sanyal, Alex Vorobiov, Timo Bolkart, Matthew Loper, Betty Mohler, Larry Davis, Javier Romero, Michael J. Black
Synthesizing images of a person in novel poses from a single image is a highly ambiguous task.
1 code implementation • 13 Aug 2021 • Jorge Fandinno, François Laferrière, Javier Romero, Torsten Schaub, Tran Cao Son
We present a general approach to planning with incomplete information in Answer Set Programming (ASP).
no code implementations • 23 May 2021 • Ivan D. Rodriguez, Blai Bonet, Javier Romero, Hector Geffner
For this, the learning problem is formulated as the search for a simplest first-order domain description D that along with information about instances I_i (number of objects and initial state) determine state space graphs G(P_i) that match the observed state graphs G_i where P_i = (D, I_i).
1 code implementation • 16 Aug 2020 • Sergey Prokudin, Michael J. Black, Javier Romero
Recent advances in deep generative models have led to an unprecedented level of realism for synthetically generated images of humans.
1 code implementation • 15 Aug 2020 • Roland Kaminski, Javier Romero, Torsten Schaub, Philipp Wanko
This is arguably due to its attractive modeling-grounding-solving workflow that provides an easy approach to problem solving, even for laypersons outside computer science.
1 code implementation • 5 Aug 2020 • Pedro Cabalar, Jorge Fandinno, Javier Garea, Javier Romero, Torsten Schaub
The input language of eclingo uses the syntax extension capabilities of clingo to define subjective literals that, as usual in epistemic logic programs, allow for checking the truth of a regular literal in all or in some of the answer sets of a program.
2 code implementations • 24 Oct 2019 • Anurag Ranjan, David T. Hoffmann, Dimitrios Tzionas, Siyu Tang, Javier Romero, Michael J. Black
Therefore, we develop a dataset of multi-human optical flow and train optical flow networks on this dataset.
no code implementations • ICCV 2019 • David Smith, Matthew Loper, Xiaochen Hu, Paris Mavroidis, Javier Romero
Counterintuitively, the main loss which drives FAX is on per-pixel surface normals instead of per-pixel depth, making it possible to estimate detailed body geometry without any depth supervision.
1 code implementation • ICCV 2019 • Sergey Prokudin, Christoph Lassner, Javier Romero
The basis point set representation is a residual representation that can be computed efficiently and can be used with standard neural network architectures and other machine learning algorithms.
1 code implementation • 14 Jun 2018 • Anurag Ranjan, Javier Romero, Michael J. Black
Given this, we devise an optical flow algorithm specifically for human motion and show that it is superior to generic flow methods.
9 code implementations • SIGGRAPH Asia 2017 • Tianye Li, Timo Bolkart, Michael J. Black, Hao Li, Javier Romero
FLAME is low-dimensional but more expressive than the FaceWarehouse model and the Basel Face Model.
Ranked #3 on
Face Alignment
on FaceScape
no code implementations • CVPR 2017 • Federica Bogo, Javier Romero, Gerard Pons-Moll, Michael J. Black
We propose a new mesh registration method that uses both 3D geometry and texture information to register all scans in a sequence to a common reference topology.
14 code implementations • ICCV 2017 • Julieta Martinez, Rayat Hossain, Javier Romero, James J. Little
Following the success of deep convolutional networks, state-of-the-art methods for 3d human pose estimation have focused on deep end-to-end systems that predict 3d joint locations given raw image pixels.
Ranked #20 on
3D Human Pose Estimation
on HumanEva-I
8 code implementations • CVPR 2017 • Julieta Martinez, Michael J. Black, Javier Romero
Human motion modelling is a classical problem at the intersection of graphics and computer vision, with applications spanning human-computer interaction, motion synthesis, and motion prediction for virtual and augmented reality.
2 code implementations • CVPR 2017 • Christoph Lassner, Javier Romero, Martin Kiefel, Federica Bogo, Michael J. Black, Peter V. Gehler
With a comprehensive set of experiments, we show how this data can be used to train discriminative models that produce results with an unprecedented level of detail: our models predict 31 segments and 91 landmark locations on the body.
Ranked #1 on
Monocular 3D Human Pose Estimation
on Human3.6M
(Use Video Sequence metric)
3D human pose and shape estimation
Monocular 3D Human Pose Estimation
2 code implementations • CVPR 2017 • Gül Varol, Javier Romero, Xavier Martin, Naureen Mahmood, Michael J. Black, Ivan Laptev, Cordelia Schmid
In this work we present SURREAL (Synthetic hUmans foR REAL tasks): a new large-scale dataset with synthetically-generated but realistic images of people rendered from 3D sequences of human motion capture data.
1 code implementation • 15 Dec 2016 • Lukas Balles, Javier Romero, Philipp Hennig
The batch size significantly influences the behavior of the stochastic optimization algorithm, though, since it determines the variance of the gradient estimates.
2 code implementations • 27 Jul 2016 • Federica Bogo, Angjoo Kanazawa, Christoph Lassner, Peter Gehler, Javier Romero, Michael J. Black
We then fit (top-down) a recently published statistical body shape model, called SMPL, to the 2D joints.
Ranked #31 on
3D Human Pose Estimation
on HumanEva-I
no code implementations • ICCV 2015 • Federica Bogo, Michael J. Black, Matthew Loper, Javier Romero
The method then uses geometry and image texture over time to obtain accurate shape, pose, and appearance information despite unconstrained motion, partial views, varying resolution, occlusion, and soft tissue deformation.
no code implementations • CVPR 2014 • Federica Bogo, Javier Romero, Matthew Loper, Michael J. Black
We address this with a novel mesh registration technique that combines 3D shape and appearance information to produce high-quality alignments.