SUMMIT: Source-Free Adaptation of Uni-Modal Models to Multi-Modal Targets

C Simons, DS Raychaudhuri… - Proceedings of the …, 2023 - openaccess.thecvf.com
Scene understanding using multi-modal data is necessary in many applications, eg,
autonomous navigation. To achieve this in a variety of situations, existing models must be …

ColorPCR: Color Point Cloud Registration with Multi-Stage Geometric-Color Fusion

J Mu, L Bie, S Du, Y Gao - … of the IEEE/CVF Conference on …, 2024 - openaccess.thecvf.com
Point cloud registration is still a challenging and open problem. For example when the
overlap between two point clouds is extremely low geo-only features may be not sufficient …

Vision-based relative position and attitude determination of non-cooperative spacecraft using a generative model architecture

G Gavilanez, H Moncayo - Acta Astronautica, 2024 - Elsevier
A wide range of spacecraft operations in orbit relies on the precise and accurate estimation
of the relative attitude and position of target objects. This requirement is especially critical …

A Novel Multimodal Fusion Framework Based on Point Cloud Registration for Near-Field 3D SAR Perception

T Zeng, W Zhang, X Zhan, X Xu, Z Liu, B Wang… - Remote Sensing, 2024 - mdpi.com
This study introduces a pioneering multimodal fusion framework to enhance near-field 3D
Synthetic Aperture Radar (SAR) imaging, crucial for applications like radar cross-section …

3D Registration in 30 Years: A Survey

J Yang, C Zhang, Z Wang, X Cao, X Ouyang… - arXiv preprint arXiv …, 2024 - arxiv.org
3D point cloud registration is a fundamental problem in computer vision, computer graphics,
robotics, remote sensing, and etc. Over the last thirty years, we have witnessed the amazing …

A Vascular Feature Detection and Matching Method Based on Dual-Branch Fusion and Structure Enhancement

K Xu, H Wu, Y Iwahori, X Yu, Z Hu, A Wang - Sensors, 2024 - mdpi.com
How to obtain internal cavity features and perform image matching is a great challenge for
laparoscopic 3D reconstruction. This paper proposes a method for detecting and associating …

GETr: A Geometric Equivariant Transformer for Point Cloud Registration

C Yu, S Zhang, LY Shen - Computer Graphics Forum, 2024 - Wiley Online Library
As a fundamental problem in computer vision, 3D point cloud registration (PCR) aims to
seek the optimal transformation to align point cloud pairs. Meanwhile, the equivariance lies …

Neutral Facial Rigging from Limited Spatiotemporal Meshes

J Hou, D Weng, Z Zhao, Y Li, J Zhou - Electronics, 2024 - mdpi.com
Manual facial rigging is time-consuming. Traditional automatic rigging methods lack either
3D datasets or explainable semantic parameters, which makes it difficult to retarget a certain …

Automatic coarse co-registration of point clouds from diverse scan geometries: a test of detectors and descriptors

F Pirotti, A Guarnieri, S Chiodini, C Bettanini - arXiv preprint arXiv …, 2023 - arxiv.org
Point clouds are collected nowadays from a plethora of sensors, some having higher
accuracies and higher costs, some having lower accuracies but also lower costs. Not only …

Machine-Learning Based Pose and Attitude Estimation for Enhanced Spacecraft Proximity Operations

G Gavilanez, H Moncayo - AIAA SCITECH 2025 Forum, 2025 - arc.aiaa.org
Stereo-camera-based navigation is highly used in broad environments due to its compact
size, low cost, and efficiency in capturing data in dynamic environments. This system is …