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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

LiDAR-camera fusion is one of the core processes for the perception system of current automated driving systems. The typical sensor fusion process includes a list of coordinate transformation operations following system calibration.…

Robotics · Computer Science 2023-11-09 Dan Shen , Zhengming Zhang , Renran Tian , Yaobin Chen , Rini Sherony

Precise LiDAR-camera calibration is crucial for integrating these two sensors into robotic systems to achieve robust perception. In applications like autonomous driving, online targetless calibration enables a prompt sensor misalignment…

Robotics · Computer Science 2025-08-12 Shu Han , Xubo Zhu , Ji Wu , Ximeng Cai , Wen Yang , Huai Yu , Gui-Song Xia

In the context of robotic underwater operations, the visual degradations induced by the medium properties make difficult the exclusive use of cameras for localization purpose. Hence, most localization methods are based on expensive…

Robotics · Computer Science 2020-02-28 Maxime Ferrera , Julien Moras , Pauline Trouvé-Peloux , Vincent Creuze

Deep learning-based visual perception models lack robustness when faced with camera motion perturbations in practice. The current certification process for assessing robustness is costly and time-consuming due to the extensive number of…

Machine Learning · Computer Science 2024-03-05 Hanjiang Hu , Zuxin Liu , Linyi Li , Jiacheng Zhu , Ding Zhao

Robust trajectory planning under camera viewpoint changes is important for scalable end-to-end autonomous driving. However, existing models often depend heavily on the camera viewpoints seen during training. We investigate an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Hiroki Hashimoto , Hiromichi Goto , Hiroyuki Sugai , Hiroshi Kera , Kazuhiko Kawamoto

According to WHO statistics, the number of visually impaired people is increasing annually. One of the most critical necessities for visually impaired people is the ability to navigate safely. This paper proposes a navigation system based…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Mohammad Javadian Farzaneh , Hossein Mahvash Mohammadi

Drones may be more advantageous than fixed cameras for quality control applications in industrial facilities, since they can be redeployed dynamically and adjusted to production planning. The practical scenario that has motivated this…

This paper presents a novel feedback motion planning method for mobile robot navigation in 3D uneven terrains. We take advantage of the \textit{supervoxel} representation of point clouds, which enables a compact connectivity graph of…

Robotics · Computer Science 2023-01-31 Fetullah Atas , Grzegorz Cielniak , Lars Grimstad

The integration of data from diverse sensor modalities (e.g., camera and LiDAR) constitutes a prevalent methodology within the ambit of autonomous driving scenarios. Recent advancements in efficient point cloud transformers have underscored…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yutao Zhu , Xiaosong Jia , Xinyu Yang , Junchi Yan

Active depth cameras suffer from several limitations, which cause incomplete and noisy depth maps, and may consequently affect the performance of RGB-D Odometry. To address this issue, this paper presents a visual odometry method based on…

Robotics · Computer Science 2017-08-10 Pedro F. Proença , Yang Gao

Emerging 3D scene representations, such as Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), have demonstrated their effectiveness in Simultaneous Localization and Mapping (SLAM) for photo-realistic rendering, particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Peng Wang , Lingzhe Zhao , Yin Zhang , Shiyu Zhao , Peidong Liu

On construction sites, progress must be monitored continuously to ensure that the current state corresponds to the planned state in order to increase efficiency, safety and detect construction defects at an early stage. Autonomous mobile…

Robotics · Computer Science 2023-02-03 Katrin Becker , Martin Oehler , Oskar von Stryk

Recent advances in camera-controlled video diffusion models have significantly improved video-camera alignment. However, the camera controllability still remains limited. In this work, we build upon Reward Feedback Learning and aim to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Wenhang Ge , Guibao Shen , Jiawei Feng , Luozhou Wang , Hao Lu , Xingye Tian , Xin Tao , Ying-Cong Chen

We present a novel method for extrinsically calibrating a camera and a 2D Laser Rangefinder (LRF) whose beams are invisible from the camera image. We show that point-to-plane constraints from a single observation of a V-shaped calibration…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Wenbo Dong , Volkan Isler

This paper presents a colonoscope tracking method utilizing a colon shape estimation method. CT colonography is used as a less-invasive colon diagnosis method. If colonic polyps or early-stage cancers are found, they are removed in a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Masahiro Oda , Holger R. Roth , Takayuki Kitasaka , Kazuhiro Furukawa , Ryoji Miyahara , Yoshiki Hirooka , Nassir Navab , Kensaku Mori

Autonomous Micro Aerial Vehicles (MAVs) gained tremendous attention in recent years. Autonomous flight in indoor requires a dense depth map for navigable space detection which is the fundamental component for autonomous navigation. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Arindam Saha , Soumyadip Maity , Brojeshwar Bhowmick

Aggressive motions from agile flights or traversing irregular terrain induce motion distortion in LiDAR scans that can degrade state estimation and mapping. Some methods exist to mitigate this effect, but they are still too simplistic or…

Robotics · Computer Science 2023-03-08 Kenny Chen , Ryan Nemiroff , Brett T. Lopez

Modern robotic manipulation primarily relies on visual observations in a 2D color space for skill learning but suffers from poor generalization. In contrast, humans, living in a 3D world, depend more on physical properties-such as distance,…

Point cloud based methods have produced promising results in areas such as 3D object detection in autonomous driving. However, most of the recent point cloud work focuses on single depth sensor data, whereas less work has been done on…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Walid Bekhtaoui , Ruhan Sa , Brian Teixeira , Vivek Singh , Klaus Kirchberg , Yao-jen Chang , Ankur Kapoor
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