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Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

The estimation of 6D poses of rigid objects is a fundamental problem in computer vision. Traditionally pose estimation is concerned with the determination of a single best estimate. However, a single estimate is unable to express visual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Thorbjørn Mosekjær Iversen , Rasmus Laurvig Haugaard , Anders Glent Buch

Most modern image-based 6D object pose estimation methods learn to predict 2D-3D correspondences, from which the pose can be obtained using a PnP solver. Because of the non-differentiable nature of common PnP solvers, these methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Fulin Liu , Yinlin Hu , Mathieu Salzmann

The most recent trend in estimating the 6D pose of rigid objects has been to train deep networks to either directly regress the pose from the image or to predict the 2D locations of 3D keypoints, from which the pose can be obtained using a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Yinlin Hu , Joachim Hugonot , Pascal Fua , Mathieu Salzmann

The estimation of 6D object poses is a fundamental task in many computer vision applications. Particularly, in high risk scenarios such as human-robot interaction, industrial inspection, and automation, reliable pose estimates are crucial.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Kira Wursthorn , Markus Hillemann , Markus Ulrich

This paper presents an end-to-end radar odometry system which delivers robust, real-time pose estimates based on a learned embedding space free of sensing artefacts and distractor objects. The system deploys a fully differentiable,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Dan Barnes , Rob Weston , Ingmar Posner

Uncertainty estimation has been widely studied in medical image segmentation as a tool to provide reliability, particularly in deep learning approaches. However, previous methods generally lack effective supervision in uncertainty…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Yuzhu Li , An Sui , Fuping Wu , Xiahai Zhuang

Deducing a 3D human pose from a single 2D image is inherently challenging because multiple 3D poses can correspond to the same 2D representation. 3D data can resolve this pose ambiguity, but it is expensive to record and requires an…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Christian Keilstrup Ingwersen , Rasmus Tirsgaard , Rasmus Nylander , Janus Nørtoft Jensen , Anders Bjorholm Dahl , Morten Rieger Hannemose

In this work, we introduce Deep Bingham Networks (DBN), a generic framework that can naturally handle pose-related uncertainties and ambiguities arising in almost all real life applications concerning 3D data. While existing works strive to…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Haowen Deng , Mai Bui , Nassir Navab , Leonidas Guibas , Slobodan Ilic , Tolga Birdal

This work investigates the impact of the loss function on the performance of Neural Networks, in the context of a monocular, RGB-only, image localization task. A common technique used when regressing a camera's pose from an image is to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Isaac Ronald Ward , M. A. Asim K. Jalwana , Mohammed Bennamoun

We introduce CUPS, a novel method for learning sequence-to-sequence 3D human shapes and poses from RGB videos with uncertainty quantification. To improve on top of prior work, we develop a method to generate and score multiple hypotheses…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Harry Zhang , Luca Carlone

Inertial localisation is an important technique as it enables ego-motion estimation in conditions where external observers are unavailable. However, low-cost inertial sensors are inherently corrupted by bias and noise, which lead to unbound…

Robotics · Computer Science 2023-03-06 James Brotchie , Wenchao Li , Andrew D. Greentree , Allison Kealy

We propose visual-inertial simultaneous localization and mapping that tightly couples sparse reprojection errors, inertial measurement unit pre-integrals, and relative pose factors with dense volumetric occupancy mapping. Hereby depth…

Robotics · Computer Science 2025-03-10 Jaehyung Jung , Simon Boche , Sebastián Barbas Laina , Stefan Leutenegger

In machine learning, accurately predicting the probability that a specific input is correct is crucial for risk management. This process, known as uncertainty (or confidence) estimation, is particularly important in mission-critical…

Machine Learning · Computer Science 2023-01-12 Gabriella Chouraqui , Liron Cohen , Gil Einziger , Liel Leman

Deep Learning (DL) has become essential in various robotics applications due to excelling at processing raw sensory data to extract task specific information from semantic objects. For example, vision-based object-relative navigation relies…

Robotics · Computer Science 2025-09-03 Thomas Jantos , Stephan Weiss , Jan Steinbrener

6D pose confidence region estimation has emerged as a critical direction, aiming to perform uncertainty quantification for assessing the reliability of estimated poses. However, current sampling-based approach suffers from critical…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Jinghao Wang , Zhang Li , Zi Wang , Banglei Guan , Yang Shang , Qifeng Yu

6D object pose estimation aims to infer the relative pose between the object and the camera using a single image or multiple images. Most works have focused on predicting the object pose without associated uncertainty under occlusion and…

Robotics · Computer Science 2022-11-03 Myung-Hwan Jeon , Jeongyun Kim , Jee-Hwan Ryu , Ayoung Kim

Pose estimation, i.e. predicting a 3D rigid transformation with respect to a fixed co-ordinate frame in, SE(3), is an omnipresent problem in medical image analysis with applications such as: image rigid registration, anatomical standard…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Benjamin Hou , Nina Miolane , Bishesh Khanal , Matthew C. H. Lee , Amir Alansary , Steven McDonagh , Jo V. Hajnal , Daniel Rueckert , Ben Glocker , Bernhard Kainz

In this paper, we propose a unified information theoretic framework for learning-motivated methods aimed at odometry estimation, a crucial component of many robotics and vision tasks such as navigation and virtual reality where relative…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Sen Zhang , Jing Zhang , Dacheng Tao

For robots to operate robustly in the real world, they should be aware of their uncertainty. However, most methods for object pose estimation return a single point estimate of the object's pose. In this work, we propose two learned methods…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Brian Okorn , Mengyun Xu , Martial Hebert , David Held