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Reliable localization is essential for sustainable forest management, as it allows robots or sensor systems to revisit and monitor the status of individual trees over long periods. In modern forestry, this management is structured around…

Robotics · Computer Science 2026-03-05 Minwoo Jung , Dongjae Lee , Nived Chebrolu , Haedam Oh , Maurice Fallon , Ayoung Kim

Map-based LiDAR localization, while widely used in autonomous systems, faces significant challenges in degraded environments due to lacking distinct geometric features. This paper introduces SuperLoc, a robust LiDAR localization package…

Robotics · Computer Science 2025-03-31 Shibo Zhao , Honghao Zhu , Yuanjun Gao , Beomsoo Kim , Yuheng Qiu , Aaron M. Johnson , Sebastian Scherer

Learning dynamics governed by differential equations is crucial for predicting and controlling the systems in science and engineering. Neural Ordinary Differential Equation (NODE), a deep learning model integrated with differential…

Machine Learning · Computer Science 2021-11-09 Shiqi Gong , Qi Meng , Yue Wang , Lijun Wu , Wei Chen , Zhi-Ming Ma , Tie-Yan Liu

This paper presents an algorithmic study and complexity analysis for solving distributionally robust multistage convex optimization (DR-MCO). We generalize the usual consecutive dual dynamic programming (DDP) algorithm to DR-MCO and propose…

Optimization and Control · Mathematics 2024-01-05 Shixuan Zhang , Xu Andy Sun

Deep Metric Learning (DML) models rely on strong representations and similarity-based measures with specific loss functions. Proxy-based losses have shown great performance compared to pair-based losses in terms of convergence speed.…

Anchor-free detectors basically formulate object detection as dense classification and regression. For popular anchor-free detectors, it is common to introduce an individual prediction branch to estimate the quality of localization. The…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Hu Su , Yonghao He , Rui Jiang , Jiabin Zhang , Wei Zou , Bin Fan

Lidar odometry has attracted considerable attention as a robust localization method for autonomous robots operating in complex GNSS-denied environments. However, achieving reliable and efficient performance on heterogeneous platforms in…

The Local Position Measurement system (LPM) is one of the most precise systems for 3D position estimation. It is able to operate in- and outdoor and updates at a rate up to 1000 measurements per second. Previous scientific publications…

Signal Processing · Electrical Eng. & Systems 2018-02-07 Juri Sidorenko , Norbert Scherer-Negenborn , Eckart Michaelsen , Michael Arens

In this work, we develop analysis and algorithms for a class of (stochastic) bilevel optimization problems whose lower-level (LL) problem is strongly convex and linearly constrained. Most existing approaches for solving such problems rely…

Optimization and Control · Mathematics 2025-04-08 Prashant Khanduri , Ioannis Tsaknakis , Yihua Zhang , Sijia Liu , Mingyi Hong

Dual-atom catalysts supported on nitrogen-doped graphene (DAC/NG) are emerging as a family of promising catalysts that can overcome intrinsic limitations of single-atom catalysts. However, comprehensive assessment of their structural…

Chemical Physics · Physics 2025-11-21 Yue Yin , Jiangshan He , Runze Li , Yunze Qiu , Dingsheng Wang , Jun Li , Hai Xiao

Modelling dynamic traffic patterns and especially the continuously changing dependencies between different base stations, which previous studies overlook, is challenging. Traditional algorithms struggle to process large volumes of data and…

Machine Learning · Computer Science 2024-10-29 Yini Fang

Direct Preference Optimization (DPO) has become a popular method for fine-tuning large language models (LLMs) due to its stability and simplicity. However, it is also known to be sensitive to noise in the data and prone to overfitting.…

Machine Learning · Computer Science 2025-10-28 Cheol Woo Kim , Shresth Verma , Mauricio Tec , Milind Tambe

In this paper we devise an optimal construction of fault-tolerant spanners for doubling metrics. Specifically, for any $n$-point doubling metric, any $\eps > 0$, and any integer $0 \le k \le n-2$, our construction provides a…

Data Structures and Algorithms · Computer Science 2013-05-09 Shay Solomon

This work presents a sum-of-squares (SOS) based framework to perform data-driven stabilization and robust control tasks on discrete-time linear systems where the full-state observations are corrupted by L-infinity bounded input,…

Optimization and Control · Mathematics 2023-03-31 Jared Miller , Tianyu Dai , Mario Sznaier

Robotic manipulation of deformable linear objects (DLOs) is an active area of research, though emerging applications, like automotive wire harness installation, introduce constraints that have not been considered in prior work. Confined…

Robotics · Computer Science 2024-02-19 Tyler Toner , Vahidreza Molazadeh , Miguel Saez , Dawn M. Tilbury , Kira Barton

Hashing has attracted increasing research attentions in recent years due to its high efficiency of computation and storage in image retrieval. Recent works have demonstrated the superiority of simultaneous feature representations and hash…

Computer Vision and Pattern Recognition · Computer Science 2019-02-20 Lu Jin , Xiangbo Shu , Kai Li , Zechao Li , Guo-Jun Qi , Jinhui Tang

In this paper, we propose a Dimension-Reduced Second-Order Method (DRSOM) for convex and nonconvex (unconstrained) optimization. Under a trust-region-like framework, our method preserves the convergence of the second-order method while…

Optimization and Control · Mathematics 2023-07-04 Chuwen Zhang , Dongdong Ge , Chang He , Bo Jiang , Yuntian Jiang , Yinyu Ye

Internet of Things (IoT)-based indoor localization has gained significant popularity recently to satisfy the ever-increasing requirements of indoor Location-based Services (LBS). In this context, Inertial Measurement Unit (IMU)-based…

Machine Learning · Computer Science 2021-09-28 Mohammadamin Atashi , Mohammad Salimibeni , Arash Mohammadi

We present results for the distance sensitivity oracle (DSO) problem, where one needs to preprocess a given directed weighted graph $G=(V,E)$ in order to answer queries about the shortest path distance in $G$ from vertex $s$ to vertex $t$…

Data Structures and Algorithms · Computer Science 2025-11-14 Vignesh Manoharan , Vijaya Ramachandran

Developing efficient and principled neural architecture optimization methods is a critical challenge of modern deep learning. Recently, Liu et al.[19] proposed a splitting steepest descent (S2D) method that jointly optimizes the neural…

Machine Learning · Computer Science 2021-06-22 Lemeng Wu , Mao Ye , Qi Lei , Jason D. Lee , Qiang Liu