Search Results for author: Thomas Probst

Found 19 papers, 2 papers with code

Gradient Obfuscation Checklist Test Gives a False Sense of Security

no code implementations3 Jun 2022 Nikola Popovic, Danda Pani Paudel, Thomas Probst, Luc van Gool

It has since become a trend to use these five characteristics as a sufficient test, to determine whether or not gradient obfuscation is the main source of robustness.

Spatially Multi-conditional Image Generation

no code implementations25 Mar 2022 Ritika Chakraborty, Nikola Popovic, Danda Pani Paudel, Thomas Probst, Luc van Gool

However, multi-conditional image generation is a very challenging problem due to the heterogeneity and the sparsity of the (in practice) available conditioning labels.

Conditional Image Generation Missing Labels

Improving the Behaviour of Vision Transformers with Token-consistent Stochastic Layers

no code implementations30 Dec 2021 Nikola Popovic, Danda Pani Paudel, Thomas Probst, Luc van Gool

We use linear layers with token-consistent stochastic parameters inside the multilayer perceptron blocks, without altering the architecture of the transformer.

Adversarial Robustness Transfer Learning

Open-Ended Automatic Programming Through Combinatorial Evolution

no code implementations20 Feb 2021 Sebastian Fix, Thomas Probst, Oliver Ruggli, Thomas Hanne, Patrik Christen

We found that reserved keywords of a programming language are suitable for defining the basic code blocks at the beginning of the simulation.

Code Generation

Unsupervised Monocular Depth Reconstruction of Non-Rigid Scenes

no code implementations31 Dec 2020 Ayça Takmaz, Danda Pani Paudel, Thomas Probst, Ajad Chhatkuli, Martin R. Oswald, Luc van Gool

In this work, we present an unsupervised monocular framework for dense depth estimation of dynamic scenes, which jointly reconstructs rigid and non-rigid parts without explicitly modelling the camera motion.

Depth Estimation Motion Segmentation

CompositeTasking: Understanding Images by Spatial Composition of Tasks

1 code implementation CVPR 2021 Nikola Popovic, Danda Pani Paudel, Thomas Probst, Guolei Sun, Luc van Gool

Learning to perform spatially distributed tasks is motivated by the frequent availability of only sparse labels across tasks, and the desire for a compact multi-tasking network.

Convex Relaxations for Consensus and Non-Minimal Problems in 3D Vision

no code implementations ICCV 2019 Thomas Probst, Danda Pani Paudel, Ajad Chhatkuli, Luc van Gool

Notably, we further exploit the POP formulation of non-minimal solver also for the generic consensus maximization problems in 3D vision.

Dual Grid Net: hand mesh vertex regression from single depth maps

no code implementations ECCV 2020 Chengde Wan, Thomas Probst, Luc van Gool, Angela Yao

In the first stage, the network estimates a dense correspondence field for every pixel on the depth map or image grid to the mesh grid.

regression

What Correspondences Reveal About Unknown Camera and Motion Models?

no code implementations CVPR 2019 Thomas Probst, Ajad Chhatkuli, Danda Pani Paudel, Luc Van Gool

Problems such as Structure-from-Motion (SfM) and camera self-calibration are tackled under the assumptions of a specific camera projection model and motion type.

Vocal Bursts Type Prediction

Unsupervised Learning of Consensus Maximization for 3D Vision Problems

no code implementations CVPR 2019 Thomas Probst, Danda Pani Paudel, Ajad Chhatkuli, Luc Van Gool

This model fitting cost is used as a supervisory signal for learning consensus maximization, where the learning process seeks for the largest measurement set that minimizes the proposed model fitting cost.

Incremental Non-Rigid Structure-from-Motion with Unknown Focal Length

no code implementations ECCV 2018 Thomas Probst, Danda Pani Paudel, Ajad Chhatkuli, Luc van Gool

In this paper we present a method for incremental Non-Rigid Structure-from-Motion (NRSfM) with the perspective camera model and the isometric surface prior with unknown focal length.

Model-free Consensus Maximization for Non-Rigid Shapes

no code implementations ECCV 2018 Thomas Probst, Ajad Chhatkuli, Danda Pani Paudel, Luc van Gool

In this paper, we formulate the model-free consensus maximization as an Integer Program in a graph using `rules' on measurements.

Dense 3D Regression for Hand Pose Estimation

1 code implementation CVPR 2018 Chengde Wan, Thomas Probst, Luc van Gool, Angela Yao

Specifically, we decompose the pose parameters into a set of per-pixel estimations, i. e., 2D heat maps, 3D heat maps and unit 3D directional vector fields.

3D Hand Pose Estimation regression

Crossing Nets: Combining GANs and VAEs with a Shared Latent Space for Hand Pose Estimation

no code implementations CVPR 2017 Chengde Wan, Thomas Probst, Luc van Gool, Angela Yao

Regressing the hand pose can then be done by learning a discriminator to estimate the posterior of the latent pose given some depth maps.

3D Hand Pose Estimation

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