Self-supervised pretraining of 3d features on any point-cloud

Z Zhang, R Girdhar, A Joulin… - Proceedings of the IEEE …, 2021 - openaccess.thecvf.com
Pretraining on large labeled datasets is a prerequisite to achieve good performance in many
computer vision tasks like image recognition, video understanding etc. However, pretraining …

Hybridpose: 6d object pose estimation under hybrid representations

C Song, J Song, Q Huang - … of the IEEE/CVF conference on …, 2020 - openaccess.thecvf.com
We introduce HybridPose, a novel 6D object pose estimation approach. HybridPose utilizes
a hybrid intermediate representation to express different geometric information in the input …

Predicting what you already know helps: Provable self-supervised learning

JD Lee, Q Lei, N Saunshi… - Advances in Neural …, 2021 - proceedings.neurips.cc
Self-supervised representation learning solves auxiliary prediction tasks (known as pretext
tasks), that do not require labeled data, to learn semantic representations. These pretext …

H3dnet: 3d object detection using hybrid geometric primitives

Z Zhang, B Sun, H Yang, Q Huang - … , Glasgow, UK, August 23–28, 2020 …, 2020 - Springer
We introduce H3DNet, which takes a colorless 3D point cloud as input and outputs a
collection of oriented object bounding boxes (or BB) and their semantic labels. The critical …

Robust learning through cross-task consistency

AR Zamir, A Sax, N Cheerla, R Suri… - Proceedings of the …, 2020 - openaccess.thecvf.com
Visual perception entails solving a wide set of tasks (eg, object detection, depth estimation,
etc). The predictions made for different tasks out of one image are not independent, and …

Hpnet: Deep primitive segmentation using hybrid representations

S Yan, Z Yang, C Ma, H Huang… - Proceedings of the …, 2021 - openaccess.thecvf.com
This paper introduces HPNet, a novel deep-learning approach for segmenting a 3D shape
represented as a point cloud into primitive patches. The key to deep primitive segmentation …

Quantum permutation synchronization

T Birdal, V Golyanik, C Theobalt… - Proceedings of the …, 2021 - openaccess.thecvf.com
We present QuantumSync, the first quantum algorithm for solving a synchronization problem
in the context of computer vision. In particular, we focus on permutation synchronization …

Relationship-based point cloud completion

X Zhao, B Zhang, J Wu, R Hu… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
We propose a partial point cloud completion approach for scenes that are composed of
multiple objects. We focus on pairwise scenes where two objects are in close proximity and …

Scene synthesis via uncertainty-driven attribute synchronization

H Yang, Z Zhang, S Yan, H Huang… - Proceedings of the …, 2021 - openaccess.thecvf.com
Developing deep neural networks to generate 3D scenes is a fundamental problem in
neural synthesis with immediate applications in architectural CAD, computer graphics, as …

A condition number for joint optimization of cycle-consistent networks

LJ Guibas, Q Huang, Z Liang - Advances in Neural …, 2019 - proceedings.neurips.cc
A recent trend in optimizing maps such as dense correspondences between objects or
neural networks between pairs of domains is to optimize them jointly. In this context, there is …