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相关论文: Globally Optimal Multi-Scale Monocular Hand-Eye Ca…

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This work presents UNO, a unified monocular visual odometry framework that enables robust and adaptable pose estimation across diverse environments, platforms, and motion patterns. Unlike traditional methods that rely on deployment-specific…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Wentao Zhao , Yihe Niu , Yanbo Wang , Tianchen Deng , Shenghai Yuan , Zhenli Wang , Rui Guo , Jingchuan Wang

We present two quaternion-based sliding variables for controlling the orientation of a manipulator's end-effector. Both sliding variables are free of singularities and represent global exponentially convergent error dynamics that do not…

机器人学 · 计算机科学 2024-12-30 Brett T. Lopez , Jean-Jacques Slotine

Multi-view egocentric hand tracking is a challenging task and plays a critical role in VR interaction. In this report, we present a method that uses multi-view input images and camera extrinsic parameters to estimate both hand shape and…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Minqiang Zou , Zhi Lv , Riqiang Jin , Tian Zhan , Mochen Yu , Yao Tang , Jiajun Liang

In this paper, we present a novel algorithm to extract a quaternion from a two dimensional camera frame for estimating a contained human skeletal pose. The problem of pose estimation is usually tackled through the usage of stereo cameras…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Sriram Radhakrishna , Adithya Balasubramanyam

We describe a learning-based approach to hand-eye coordination for robotic grasping from monocular images. To learn hand-eye coordination for grasping, we trained a large convolutional neural network to predict the probability that…

机器学习 · 计算机科学 2016-08-30 Sergey Levine , Peter Pastor , Alex Krizhevsky , Deirdre Quillen

In this work, we consider the problem of joint calibration and direction-of-arrival (DOA) estimation using sensor arrays. This joint estimation problem is referred to as self calibration. Unlike many previous iterative approaches, we…

信号处理 · 电气工程与系统科学 2021-04-07 Krishnaprasad Nambur Ramamohan , Sundeep Prabhakar Chepuri , Daniel Fernandez Comesana , Geert Leus

This paper reports on a novel method for LiDAR odometry estimation, which completely parameterizes the system with dual quaternions. To accomplish this, the features derived from the point cloud, including edges, surfaces, and Stable…

While many visual ego-motion algorithm variants have been proposed in the past decade, learning based ego-motion estimation methods have seen an increasing attention because of its desirable properties of robustness to image noise and…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Guangyao Zhai , Liang Liu , Linjian Zhang , Yong Liu

This paper addresses the attitude tracking of a rigid body using a quaternion description. Global finite-time attitude controllers are designed with three types of measurements, namely, full states, attitude plus constant-biased angular…

最优化与控制 · 数学 2017-12-12 Haichao Gui , George Vukovich

Existing inverse physics methods recover physical parameters from multi-view videos, where geometric constraints across views resolve scale and 3D structure. In monocular settings, however, such constraints are absent, leading to severe…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Daniel Rho , Jun Myeong Choi , Matthew Thornton , Biswadip Dey , Roni Sengupta

A self-contained calibration procedure that can be performed automatically without additional external sensors or tools is a significant advantage, especially for complex robotic systems. Here, we show that the kinematics of a…

机器人学 · 计算机科学 2024-01-09 Johannes Tenhumberg , Leon Sievers , Berthold Bäuml

Self-supervised monocular depth estimation approaches suffer not only from scale ambiguity but also infer temporally inconsistent depth maps w.r.t. scale. While disambiguating scale during training is not possible without some kind of…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Zeeshan Khan Suri

Morphable design and depth-based visual control are two upcoming trends leading to advancements in the field of quadrotor autonomy. Stereo-cameras have struck the perfect balance of weight and accuracy of depth estimation but suffer from…

机器人学 · 计算机科学 2020-11-09 Nitin J. Sanket , Chahat Deep Singh , Varun Asthana , Cornelia Fermüller , Yiannis Aloimonos

Understanding ego-motion and surrounding vehicle state is essential to enable automated driving and advanced driving assistance technologies. Typical approaches to solve this problem use fusion of multiple sensors such as LiDAR, camera, and…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Jun Hayakawa , Behzad Dariush

Multi-objective optimization involving Quadratic Unconstrained Binary Optimization (QUBO) problems arises in various domains. A fundamental challenge in this context is the effective balancing of multiple objectives, each potentially…

机器学习 · 计算机科学 2026-03-03 Loong Kuan Lee , Thore Gerlach , Nico Piatkowski

Recently, multi-sensors fusion has achieved significant progress in the field of automobility to improve navigation and position performance. As the prerequisite of the fusion algorithm, the demand for the extrinsic calibration of…

机器人学 · 计算机科学 2022-09-27 Hou lanhua

Deep learning-based object detectors have achieved impressive performance in microscopy imaging, yet their confidence estimates often lack calibration, limiting their reliability for biomedical applications. In this work, we introduce a new…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Francesco Campi , Lucrezia Tondo , Ekin Karabati , Johannes Betge , Marie Piraud

Precision robotic manipulation tasks (insertion, screwing, precisely pick, precisely place) are required in many scenarios. Previous methods achieved good performance on such manipulation tasks. However, such methods typically require…

机器人学 · 计算机科学 2022-09-16 Yiwen Chen , Sheng Guo , Zedong Zhang , Lei Zhou , Xian Yao Ng , Marcelo H. Ang

Recent methods to automatically calibrate stationary eye trackers were shown to effectively reduce inherent calibration distortion. However, these methods require additional information, such as mouse clicks or on-screen content. We propose…

人机交互 · 计算机科学 2019-03-12 Michael Xuelin Huang , Andreas Bulling

Object pose estimation is a core perception task that enables, for example, object grasping and scene understanding. The widely available, inexpensive and high-resolution RGB sensors and CNNs that allow for fast inference based on this…