activity
20142026
most citedPPFNet: Global Context Aware Local Features for Robust 3D Point Matching

56 citations · 308 across the 70 of their papers we have counts for

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Showing 2024Show all

11 papers · 1 filter

cs.CV2024

Dyn-HaMR: Recovering 4D Interacting Hand Motion from a Dynamic Camera

Zhengdi Yu, Stefanos Zafeiriou, Tolga Birdal

We propose Dyn-HaMR, to the best of our knowledge, the first approach to reconstruct 4D global hand motion from monocular videos recorded by dynamic cameras in the wild. Reconstruc…

cs.LG2024

Convex Formulations for Training Two-Layer ReLU Neural Networks

Karthik Prakhya, Tolga Birdal, Alp Yurtsever

Solving non-convex, NP-hard optimization problems is crucial for training machine learning models, including neural networks. However, non-convexity often leads to black-box machin…

cs.CV2024

Alignist: CAD-Informed Orientation Distribution Estimation by Fusing Shape and Correspondences

Shishir Reddy Vutukur, Rasmus Laurvig Haugaard, Junwen Huang +2

Object pose distribution estimation is crucial in robotics for better path planning and handling of symmetric objects. Recent distribution estimation approaches employ contrastive…

cs.CV2024

UV-free Texture Generation with Denoising and Geodesic Heat Diffusions

Simone Foti, Stefanos Zafeiriou, Tolga Birdal

Seams, distortions, wasted UV space, vertex-duplication, and varying resolution over the surface are the most prominent issues of the standard UV-based texturing of meshes. These i…

cs.LG2024

Topological Generalization Bounds for Discrete-Time Stochastic Optimization Algorithms

Rayna Andreeva, Benjamin Dupuis, Rik Sarkar +2

We present a novel set of rigorous and computationally efficient topology-based complexity notions that exhibit a strong correlation with the generalization gap in modern deep neur…

cs.CV2024★ 3 cited

NeRF-Feat: 6D Object Pose Estimation using Feature Rendering

Shishir Reddy Vutukur, Heike Brock, Benjamin Busam +3

Object Pose Estimation is a crucial component in robotic grasping and augmented reality. Learning based approaches typically require training data from a highly accurate CAD model…

cs.LG2024

Attending to Topological Spaces: The Cellular Transformer

Rubén Ballester, Pablo Hernández-García, Mathilde Papillon +6

Topological Deep Learning seeks to enhance the predictive performance of neural network models by harnessing topological structures in input data. Topological neural networks opera…

cs.CV2024★ 1 cited

HyperSDFusion: Bridging Hierarchical Structures in Language and Geometry for Enhanced 3D Text2Shape Generation

Zhiying Leng, Tolga Birdal, Xiaohui Liang +1

3D shape generation from text is a fundamental task in 3D representation learning. The text-shape pairs exhibit a hierarchical structure, where a general text like ``chair" covers…

cs.CV2024

NRDF: Neural Riemannian Distance Fields for Learning Articulated Pose Priors

Yannan He, Garvita Tiwari, Tolga Birdal +2

Faithfully modeling the space of articulations is a crucial task that allows recovery and generation of realistic poses, and remains a notorious challenge. To this end, we introduc…

cs.LG2024★ 6 cited

Position: Topological Deep Learning is the New Frontier for Relational Learning

Theodore Papamarkou, Tolga Birdal, Michael Bronstein +19

Topological deep learning (TDL) is a rapidly evolving field that uses topological features to understand and design deep learning models. This paper posits that TDL is the new fron…

cs.LG2024★ 2 cited

TopoX: A Suite of Python Packages for Machine Learning on Topological Domains

Mustafa Hajij, Mathilde Papillon, Florian Frantzen +40

We introduce TopoX, a Python software suite that provides reliable and user-friendly building blocks for computing and machine learning on topological domains that extend graphs: h…