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In multimodal perception systems, achieving precise extrinsic calibration between LiDAR and camera is of critical importance. Previous calibration methods often required specific targets or manual adjustments, making them both…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Xingchen Li , Yifan Duan , Beibei Wang , Haojie Ren , Guoliang You , Yu Sheng , Jianmin Ji , Yanyong Zhang

Tensegrity robots, which are composed of compressive elements (rods) and flexible tensile elements (e.g., cables), have a variety of advantages, including flexibility, low weight, and resistance to mechanical impact. Nevertheless, the…

We identify and formalize an underexplored phenomenon in deep learning optimization: directional alignment and loss convergence can be decoupled. An optimizer can exhibit near-perfect directional consistency (cc_t -> 1, measured via…

机器学习 · 计算机科学 2026-05-08 Victor Daniel Gera

Continuum manipulators in flexible endoscopic surgical systems offer high dexterity for minimally invasive procedures; however, accurate pose estimation and closed-loop control remain challenging due to hysteresis, compliance, and limited…

机器人学 · 计算机科学 2026-02-19 Junhyun Park , Chunggil An , Myeongbo Park , Ihsan Ullah , Sihyeong Park , Minho Hwang

Neural operators have emerged as powerful data-driven solvers for PDEs, offering substantial acceleration over classical numerical methods. However, existing transformer-based operators still face critical challenges when modeling PDEs on…

人工智能 · 计算机科学 2026-05-12 Chun-Wun Cheng , Sifan Wang , Carola-Bibiane Schönlieb , Angelica I. Aviles-Rivero

Robust estimation of the essential matrix, which encodes the relative position and orientation of two cameras, is a fundamental step in structure from motion pipelines. Recent deep-based methods achieved accurate estimation by using complex…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Dror Moran , Yuval Margalit , Guy Trostianetsky , Fadi Khatib , Meirav Galun , Ronen Basri

Detecting small obstacles on the road ahead is a critical part of the driving task which has to be mastered by fully autonomous cars. In this paper, we present a method based on stereo vision to reliably detect such obstacles from a moving…

计算机视觉与模式识别 · 计算机科学 2016-09-16 Peter Pinggera , Sebastian Ramos , Stefan Gehrig , Uwe Franke , Carsten Rother , Rudolf Mester

Traditional approaches to extrinsic calibration use fiducial markers and learning-based approaches rely heavily on simulation data. In this work, we present a learning-based markerless extrinsic calibration system that uses a depth camera…

机器人学 · 计算机科学 2022-12-16 Bugra C. Sefercik , Baris Akgun

Purpose: Tracking the 3D motion of the surgical tool and the patient anatomy is a fundamental requirement for computer-assisted skull-base surgery. The estimated motion can be used both for intra-operative guidance and for downstream skill…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Zhaoshuo Li , Hongchao Shu , Ruixing Liang , Anna Goodridge , Manish Sahu , Francis X. Creighton , Russell H. Taylor , Mathias Unberath

Traffic forecasting based network operation optimization and management offers enormous promise but also presents significant challenges from traffic forecasting perspective. While deep learning models have proven to be relatively more…

机器学习 · 计算机科学 2026-02-13 Zhihang Yuan , Leyang Xue , Waleed Ahsan , Mahesh K. Marina

We consider Constrained Online Convex Optimization (COCO) with adversarially chosen constraints. At each round, the learner chooses an action before observing the loss and constraint function for that round. The goal is to achieve small…

机器学习 · 计算机科学 2026-05-21 Dhruv Sarkar , Abhishek Sinha

In this paper, we propose PATO-a producibility-aware topology optimization (TO) framework to help efficiently explore the design space of components fabricated using metal additive manufacturing (AM), while ensuring manufacturability with…

计算工程、金融与科学 · 计算机科学 2021-12-10 Naresh S. Iyer , Amir M. Mirzendehdel , Sathyanarayanan Raghavan , Yang Jiao , Erva Ulu , Morad Behandish , Saigopal Nelaturi , Dean M. Robinson

In this paper, we consider two paradigms that are developed to account for uncertainty in optimization models: robust optimization (RO) and joint estimation-optimization (JEO). We examine recent developments on efficient and scalable…

最优化与控制 · 数学 2018-04-16 Nam Ho-Nguyen , Fatma Kilinc-Karzan

Event cameras have the potential to revolutionize the field of robot vision, particularly in areas like stereo disparity estimation, owing to their high temporal resolution and high dynamic range. Many studies use deep learning for event…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Junjie Jiang , Hao Zhuang , Xinjie Huang , Delei Kong , Zheng Fang

In several applications of online optimization to networked systems such as power grids and robotic networks, information about the system model and its disturbances is not generally available. Within the optimization community, increasing…

最优化与控制 · 数学 2025-09-01 Caio Kalil Lauand , Andrey Bernstein

Deep-learning metrics have recently demonstrated extremely good performance to match image patches for stereo reconstruction. However, training such metrics requires large amount of labeled stereo images, which can be difficult or costly to…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Stepan Tulyakov , Anton Ivanov , Francois Fleuret

The MARWIN robot operates at the European XFEL to perform autonomous radiation monitoring in long, monotonous accelerator tunnels where conventional localization approaches struggle. Its current navigation concept combines lidar-based edge…

计算机视觉与模式识别 · 计算机科学 2025-12-02 André Dehne , Juri Zach , Peer Stelldinger

We introduce a novel online convex optimization (OCO) framework to estimate the user's signal-to-interference-plus-noise ratio (SINR) from ACK/NACK feedback, channel quality indicator (CQI) reports, and previously selected modulation and…

信息论 · 计算机科学 2026-03-16 Lorenzo Maggi , Boris Bonev , Reinhard Wiesmayr , Sebastian Cammerer , Alexander Keller

Continual learning aims to learn multiple tasks sequentially while preserving prior knowledge, but faces the challenge of catastrophic forgetting when adapting to new tasks. Recently, approaches leveraging pre-trained models have gained…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Quan Cheng , Yuanyu Wan , Lingyu Wu , Chenping Hou , Lijun Zhang

In this paper, we investigate optimization problems with nonnegative and orthogonal constraints, where any feasible matrix of size $n \times p$ exhibits a sparsity pattern such that each row accommodates at most one nonzero entry. Our…

最优化与控制 · 数学 2025-11-06 Lei Wang , Xin Liu , Xiaojun Chen
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