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We present a new spatial-spectral mapping technique permitting to measure the beam intensity at the output of a graded-index (GRIN) multimode fiber with sub-nanometric spectral resolution. We apply this method to visualize the fine…

One goal of dexterous robotic grasping is to allow robots to handle objects with the same level of flexibility and adaptability as humans. However, it remains a challenging task to generate an optimal grasping strategy for dexterous hands,…

Robotics · Computer Science 2024-05-17 Fuqiang Zhao , Dzmitry Tsetserukou , Qian Liu

Graded index (GRIN) lenses are commonly used for compact imaging systems. It is not widely appreciated that the ion-exchange process that creates the rotationally symmetric GRIN lens index profile also causes a symmetric birefringence…

Kinodynamic motion planning for non-holomonic mobile robots is a challenging problem that is lacking a universal solution. One of the computationally efficient ways to solve it is to build a geometric path first and then transform this path…

Robotics · Computer Science 2021-08-17 Brian Angulo , Konstantin Yakovlev , Ivan Radionov

Three-dimensional (3D) technologies have been developing rapidly recent years, and have influenced industrial, medical, cultural, and many other fields. In this paper, we introduce an automatic 3D human head scanning-printing system, which…

Robotics · Computer Science 2023-01-02 Longyu Zhang , Bote Han , Haiwei Dong , Abdulmotaleb El Saddik

Grasp synthesis is one of the challenging tasks for any robot object manipulation task. In this paper, we present a new deep learning-based grasp synthesis approach for 3D objects. In particular, we propose an end-to-end 3D Convolutional…

Robotics · Computer Science 2020-09-15 Yikun Li , Lambert Schomaker , S. Hamidreza Kasaei

Terahertz (THz) communications have been envisioned as a promising enabler to provide ultra-high data transmission for sixth generation (6G) wireless networks. To tackle the blockage vulnerability brought by severe path attenuation and poor…

Information Theory · Computer Science 2021-10-14 Xinying Ma , Zhi Chen , Longfei Yan , Chong Han , Qiye Wen

This paper aims to improve robots' versatility and adaptability by allowing them to use a large variety of end-effector tools and quickly adapt to new tools. We propose AdaGrasp, a method to learn a single grasping policy that generalizes…

Robotics · Computer Science 2021-03-16 Zhenjia Xu , Beichun Qi , Shubham Agrawal , Shuran Song

Various recent methods attempt to implement rotation-invariant 3D deep learning by replacing the input coordinates of points with relative distances and angles. Due to the incompleteness of these low-level features, they have to undertake…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Yujing Lou , Zelin Ye , Yang You , Nianjuan Jiang , Jiangbo Lu , Weiming Wang , Lizhuang Ma , Cewu Lu

While most people associate LiDAR primarily with its ability to measure distances and provide geometric information about the environment (via point clouds), LiDAR also captures additional data, including reflectivity or intensity values.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Yechan Park , Gyuhyeon Pak , Euntai Kim

While there exists many methods for manipulating rigid objects with parallel-jaw grippers, grasping with multi-finger robotic hands remains a quite unexplored research topic. Reasoning and planning collision-free trajectories on the…

We present an end-to-end binaural audio rendering approach (Listen2Scene) for virtual reality (VR) and augmented reality (AR) applications. We propose a novel neural-network-based binaural sound propagation method to generate acoustic…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-09 Anton Ratnarajah , Dinesh Manocha

Customized grippers have specifically designed fingers to increase the contact area with the workpieces and improve the grasp robustness. However, grasp planning for customized grippers is challenging due to the object variations, surface…

Robotics · Computer Science 2019-03-07 Yongxiang Fan , Hsien-Chung Lin , Te Tang , Masayoshi Tomizuka

Grasp planning is an important task for robotic manipulation. Though it is a richly studied area, a standalone, fast, and differentiable grasp planner that can work with robot grippers of different DOFs has not been reported. In this work,…

Robotics · Computer Science 2024-08-12 Wenqiang Xu , Jieyi Zhang , Tutian Tang , Zhenjun Yu , Yutong Li , Cewu Lu

Controlling hand exoskeletons to assist individuals with grasping tasks poses a challenge due to the difficulty in understanding user intentions. We propose that most daily grasping tasks during activities of daily living (ADL) can be…

Robotics · Computer Science 2024-03-20 Chen Hu , Shirui Lyu , Eojin Rho , Daekyum Kim , Shan Luo , Letizia Gionfrida

The challenge to fully exploit the potential of existing and upcoming scientific instruments like large single-dish radio telescopes is to process the collected massive data effectively and efficiently. As a "quasi 2D stencil computation"…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-12 Hao Wang , Ce Yu , Jian Xiao , Shanjiang Tang , Min Long , Ming Zhu

Reliable robotic grasping in unstructured environments is a crucial but challenging task. The main problem is to generate the optimal grasp of novel objects from partial noisy observations. This paper presents an end-to-end grasp detection…

Robotics · Computer Science 2021-03-26 Binglei Zhao , Hanbo Zhang , Xuguang Lan , Haoyu Wang , Zhiqiang Tian , Nanning Zheng

Despite the advancements in 3D full-shape generation, accurately modeling complex geometries and semantics of shape parts remains a significant challenge, particularly for shapes with varying numbers of parts. Current methods struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Lei Cheng , Mahdi Saleh , Qing Cheng , Lu Sang , Hongli Xu , Daniel Cremers , Federico Tombari

This article presents GLIM, a 3D range-inertial localization and mapping framework with GPU-accelerated scan matching factors. The odometry estimation module of GLIM employs a combination of fixed-lag smoothing and keyframe-based point…

Robotics · Computer Science 2024-07-16 Kenji Koide , Masashi Yokozuka , Shuji Oishi , Atsuhiko Banno

One of the most important research challenges in upper-limb prosthetics is enhancing the user-prosthesis communication to closely resemble the experience of a natural limb. As prosthetic devices become more complex, users often struggle to…