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The task of estimating the 6D pose of an object from RGB images can be broken down into two main steps: an initial pose estimation step, followed by a refinement procedure to correctly register the object and its observation. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Stefan Stevsic , Otmar Hilliges

We consider the problem of optimizing neural implicit surfaces for 3D reconstruction using acoustic images collected with drifting sensor poses. The accuracy of current state-of-the-art 3D acoustic modeling algorithms is highly dependent on…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Tianxiang Lin , Mohamad Qadri , Kevin Zhang , Adithya Pediredla , Christopher A. Metzler , Michael Kaess

Digital fringe projection (DFP) enables micrometer-level 3D reconstruction, yet extending it to large-scale mapping remains challenging because six-degree-of-freedom pose estimation often cannot match the reconstruction's precision.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Sehoon Tak , Keunhee Cho , Sangpil Kim , Jae-Sang Hyun

Despite considerable efforts to enhance the generalization of 3D pose estimators without costly 3D annotations, existing data augmentation methods struggle in real world scenarios with diverse human appearances and complex poses. We propose…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 ChangHee Yang , Hyeonseop Song , Seokhun Choi , Seungwoo Lee , Jaechul Kim , Hoseok Do

3-D pose estimation of instruments is a crucial step towards automatic scene understanding in robotic minimally invasive surgery. Although robotic systems can potentially directly provide joint values, this information is not commonly…

Robotics · Computer Science 2021-03-02 Luca Sestini , Benoit Rosa , Elena De Momi , Giancarlo Ferrigno , Nicolas Padoy

6D pose estimation in space poses unique challenges that are not commonly encountered in the terrestrial setting. One of the most striking differences is the lack of atmospheric scattering, allowing objects to be visible from a great…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Yinlin Hu , Sebastien Speierer , Wenzel Jakob , Pascal Fua , Mathieu Salzmann

Absolute camera pose estimation is usually addressed by sequentially solving two distinct subproblems: First a feature matching problem that seeks to establish putative 2D-3D correspondences, and then a Perspective-n-Point problem that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Hugo Germain , Vincent Lepetit , Guillaume Bourmaud

For certain manipulation tasks, object pose estimation from head-mounted cameras may not be sufficiently accurate. This is at least in part due to our inability to perfectly calibrate the coordinate frames of today's high degree of freedom…

Robotics · Computer Science 2022-04-12 Patrick Lancaster , Boling Yang , Joshua R. Smith

The paper focuses on the calibration of serial industrial robots using partial pose measurements. In contrast to other works, the developed advanced robot calibration technique is suitable for geometrical and elastostatic calibration. The…

Robotics · Computer Science 2013-11-27 Alexandr Klimchik , Yier Wu , Stéphane Caro , Benoît Furet , Anatol Pashkevich

The visual inspection of aerial drone footage is an integral part of land search and rescue (SAR) operations today. Since this inspection is a slow, tedious and error-prone job for humans, we propose a novel deep learning algorithm to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Pasi Pyrrö , Hassan Naseri , Alexander Jung

In this paper, we address the problem of camera pose estimation in outdoor and indoor scenarios. In comparison to the currently top-performing methods that rely on 2D to 3D matching, we propose a model that can directly regress the camera…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Tony Ng , Adrian Lopez-Rodriguez , Vassileios Balntas , Krystian Mikolajczyk

In the field of spatial computing, one of the most essential tasks is the pose estimation of 3D objects. While rigid transformations of arbitrary 3D objects are relatively hard to detect due to varying environment introducing factors like…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sining Huang , Yukun Song , Yixiao Kang , Chang Yu

Eye image segmentation is a critical step in eye tracking that has great influence over the final gaze estimate. Segmentation models trained using supervised machine learning can excel at this task, their effectiveness is determined by the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Viet Dung Nguyen , Reynold Bailey , Gabriel J. Diaz , Chengyi Ma , Alexander Fix , Alexander Ororbia

Synthetic data generation has emerged as a promising solution to the data scarcity issue in aerial-view human detection. However, creating datasets that accurately reflect varying real-world human appearances, particularly diverse poses,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Yi-Ting Shen , Hyungtae Lee , Heesung Kwon , Shuvra S. Bhattacharyya

In visual localization, Absolute Pose Regression (APR) enables real-time 6-DoF camera pose inference from single images, yet critically depends on fine-tuning data quality and coverage. While recent methods leverage 3D Gaussian Splatting…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Yanan Zhou , Zhaoyan Qian , Yanli Li , Nan Yang , Zhongliang Guo , Dong Yuan

Estimating the 6D pose of objects accurately, quickly, and robustly remains a difficult task. However, recent methods for directly regressing poses from RGB images using dense features have achieved state-of-the-art results. Stereo vision,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Thomas Pöllabauer , Jan Emrich , Volker Knauthe , Arjan Kuijper

Images of spacecraft photographed from other spacecraft operating in outer space are difficult to come by, especially at a scale typically required for deep learning tasks. Semantic image segmentation, object detection and localization, and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 William S. Armstrong , Spencer Drakontaidis , Nicholas Lui

Category-level pose estimation is a challenging task with many potential applications in computer vision and robotics. Recently, deep-learning-based approaches have made great progress, but are typically hindered by the need for large…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Pengyuan Wang , Takuya Ikeda , Robert Lee , Koichi Nishiwaki

Pairwise camera pose estimation from sparsely overlapping image pairs remains a critical and unsolved challenge in 3D vision. Most existing methods struggle with image pairs that have small or no overlap. Recent approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Qing Mao , Tianxin Huang , Yu Zhu , Jinqiu Sun , Yanning Zhang , Gim Hee Lee

An algorithm based on compressive sensing (CS) is proposed for synthetic aperture radar (SAR) imaging of moving targets. The received SAR echo is decomposed into the sum of basis sub-signals, which are generated by discretizing the target…

Information Theory · Computer Science 2011-04-07 Jun Wang , Gang Li , Hao Zhang , Xiqin Wang
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