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This paper presents a method for constrained motion planning from vision, which enables a robot to move its end-effector over an observed surface, given start and destination points. The robot has no prior knowledge of the surface shape,…

机器人学 · 计算机科学 2020-06-23 T. Pardi , V. Ortenzi , C. Fairbairn , T. Pipe , A. M. Ghalamzan E. , R. Stolkin

We introduce a novel algorithm, $\textit{COD}$ -- Compact Opacity Distribution, for shape reconstruction of a celestial body that has been observed to occult a star, using the photometric time-series observations of the occultation.…

天体物理仪器与方法 · 物理学 2022-02-08 Gil Nachmani , Tsevi Mazeh , Nir Sochen

Digital lasers control the laser beam by dynamically updating the phase patterns of the spatial light modulator (SLM) within the laser cavity. Due to the presence of nonlinear effects, such as mode competition and gain saturation in digital…

光学 · 物理学 2026-02-17 Yu-Che Wu , Kuo-Chih Chang , Shu-Chun Chu

This article presents a mathematical framework to simultaneously tackle the problems of 3D reconstruction, pose estimation and object classification, from a single 2D image. In sharp contrast with state of the art methods that rely…

计算机视觉与模式识别 · 计算机科学 2011-09-28 Diego Rother , Siddharth Mahendran , René Vidal

Fibre Fabry-Perot cavities (FFPCs) are used in various studies in cavity quantum electrodynamics (CQED) and quantum technologies due to the cavity's small mode volume and compact integration with optical fibres. We develop a novel…

Surgical scene understanding in Robot-assisted Minimally Invasive Surgery (RMIS) is highly reliant on visual cues and lacks tactile perception. Force-modulated surgical palpation with tactile feedback is necessary for localization,…

机器人学 · 计算机科学 2024-08-27 Raghava Uppuluri , Abhinaba Bhattacharjee , Sohel Anwar , Yu She

Lung cancer is highly lethal, emphasizing the critical need for early detection. However, identifying lung nodules poses significant challenges for radiologists, who rely heavily on their expertise for accurate diagnosis. To address this…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Hossein Jafari , Karim Faez , Hamidreza Amindavar

In many real-world settings, image observations of freely rotating 3D rigid bodies may be available when low-dimensional measurements are not. However, the high-dimensionality of image data precludes the use of classical estimation…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Justice Mason , Christine Allen-Blanchette , Nicholas Zolman , Elizabeth Davison , Naomi Ehrich Leonard

Digital technology plays a crucial role in designing customized medical devices, such as occlusal splints, commonly used in the management of disorders of the stomatognathic system. This methodological proof-of-concept study presents a…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Agnieszka Anna Tomaka , Leszek Luchowski , Michał Tarnawski , Dariusz Pojda

Exploiting past 3D LiDAR scans to predict future point clouds is a promising method for autonomous mobile systems to realize foresighted state estimation, collision avoidance, and planning. In this paper, we address the problem of…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Benedikt Mersch , Xieyuanli Chen , Jens Behley , Cyrill Stachniss

Autonomous assembly is a crucial capability for robots in many applications. For this task, several problems such as obstacle avoidance, motion planning, and actuator control have been extensively studied in robotics. However, when it comes…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Yichen Li , Kaichun Mo , Lin Shao , Minhyuk Sung , Leonidas Guibas

Purpose. Radiation therapy is a local treatment aimed at cells in and around a tumor. The goal of this study is to develop an algorithmic solution for predicting the position of a target in 3D in real time, aiming for the short fixed…

人工智能 · 计算机科学 2015-08-05 Tomas Krilavicius , Indre Zliobaite , Henrikas Simonavicius , Laimonas Jarusevicius

Estimating 3D shapes and poses of static objects from a single image has important applications for robotics, augmented reality and digital content creation. Often this is done through direct mesh predictions which produces unrealistic,…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Florian Langer , Gwangbin Bae , Ignas Budvytis , Roberto Cipolla

Early detection of lung cancer is crucial for effective treatment and relies on accurate volumetric assessment of pulmonary nodules in CT scans. Traditional methods, such as consolidation-to-tumor ratio (CTR) and spherical approximation,…

图像与视频处理 · 电气工程与系统科学 2025-08-29 Yihan Zhou , Haocheng Huang , Yue Yu , Jianhui Shang

We introduce a new computer aided detection and diagnosis system for lung cancer screening with low-dose CT scans that produces meaningful probability assessments. Our system is based entirely on 3D convolutional neural networks and…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Onur Ozdemir , Rebecca L. Russell , Andrew A. Berlin

Deep learning-based medical image segmentation and surface mesh generation typically involve a sequential pipeline from image to segmentation to meshes, often requiring large training datasets while making limited use of prior geometric…

Risk stratification (characterization) of tumors from radiology images can be more accurate and faster with computer-aided diagnosis (CAD) tools. Tumor characterization through such tools can also enable non-invasive cancer staging,…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Sarfaraz Hussein , Pujan Kandel , Candice W. Bolan , Michael B. Wallace , Ulas Bagci

There is increasing demand for automated systems that can fabricate 3D structures. Robotic spatial extrusion has become an attractive alternative to traditional layer-based 3D printing due to a manipulator's flexibility to print large,…

机器人学 · 计算机科学 2020-02-07 Caelan Reed Garrett , Yijiang Huang , Tomás Lozano-Pérez , Caitlin Tobin Mueller

Modern autonomous systems often rely on LiDAR scanners, in particular for autonomous driving scenarios. In this context, reliable scene understanding is indispensable. Current learning-based methods typically try to achieve maximum…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Kshitij Sirohi , Sajad Marvi , Daniel Büscher , Wolfram Burgard

We propose DOPS, a fast single-stage 3D object detection method for LIDAR data. Previous methods often make domain-specific design decisions, for example projecting points into a bird-eye view image in autonomous driving scenarios. In…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Mahyar Najibi , Guangda Lai , Abhijit Kundu , Zhichao Lu , Vivek Rathod , Thomas Funkhouser , Caroline Pantofaru , David Ross , Larry S. Davis , Alireza Fathi