English
Related papers

Related papers: Conflict-Aware Harmonized Rotational Gradient for …

200 papers

Gradient-based meta-learning methods leverage gradient descent to learn the commonalities among various tasks. While previous such methods have been successful in meta-learning tasks, they resort to simple gradient descent during…

Machine Learning · Statistics 2018-06-15 Yoonho Lee , Seungjin Choi

In this paper, we present a learning method to solve the unlabelled motion problem with motion constraints and space constraints in 2D space for a large number of robots. To solve the problem of arbitrary dynamics and constraints we propose…

Robotics · Computer Science 2019-09-25 Arbaaz Khan , Vijay Kumar , Alejandro Ribeiro

With the success that the field of bilevel optimization has seen in recent years, similar methodologies have started being applied to solving more difficult applications that arise in trilevel optimization. At the helm of these applications…

Optimization and Control · Mathematics 2025-05-13 Tommaso Giovannelli , Griffin Dean Kent , Luis Nunes Vicente

This paper presents a novel neural network training approach for faster convergence and better generalization abilities in deep reinforcement learning. Particularly, we focus on the enhancement of training and evaluation performance in…

Machine Learning · Computer Science 2020-05-26 Mohammed Sharafath Abdul Hameed , Gavneet Singh Chadha , Andreas Schwung , Steven X. Ding

The optimal policy in various real-world strategic decision-making problems depends both on the environmental configuration and exogenous events. For these settings, we introduce Contextual Bilevel Reinforcement Learning (CB-RL), a…

Optimization and Control · Mathematics 2024-12-10 Vinzenz Thoma , Barna Pasztor , Andreas Krause , Giorgia Ramponi , Yifan Hu

Naive joint training of large language models (LLMs) for multilingual preference alignment can suffer from negative interference. This is a known issue in multilingual training, where conflicting objectives degrade overall performance.…

Computation and Language · Computer Science 2025-11-12 Jiangnan Li , Thuy-Trang Vu , Christian Herold , Amirhossein Tebbifakhr , Shahram Khadivi , Gholamreza Haffari

The integration of contextual embeddings into the optimization processes of large language models is an advancement in natural language processing. The Context-Aware Neural Gradient Mapping framework introduces a dynamic gradient adjustment…

Computation and Language · Computer Science 2025-04-25 David Boldo , Lily Pemberton , Gabriel Thistledown , Jacob Fairchild , Felix Kowalski

Multi-task learning shows strikingly inconsistent results -- sometimes joint training helps substantially, sometimes it actively harms performance -- yet the field lacks a principled framework for predicting these outcomes. We identify a…

Machine Learning · Computer Science 2026-04-10 Jasper Zhang , Bryan Cheng

We introduce biased gradient oracles to capture a setting where the function measurements have an estimation error that can be controlled through a batch size parameter. Our proposed oracles are appealing in several practical contexts, for…

Machine Learning · Computer Science 2021-05-18 Nirav Bhavsar , Prashanth L. A

Surgical workflow recognition is vital for automating tasks, supporting decision-making, and training novice surgeons, ultimately improving patient safety and standardizing procedures. However, data corruption can lead to performance…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Long Bai , Boyi Ma , Ruohan Wang , Guankun Wang , Beilei Cui , Zhongliang Jiang , Mobarakol Islam , Zhe Min , Jiewen Lai , Nassir Navab , Hongliang Ren

Online safe reinforcement learning (RL) involves training a policy that maximizes task efficiency while satisfying constraints via interacting with the environments. In this paper, our focus lies in addressing the complex challenges…

Machine Learning · Computer Science 2023-12-27 Yihang Yao , Zuxin Liu , Zhepeng Cen , Peide Huang , Tingnan Zhang , Wenhao Yu , Ding Zhao

The main objective of this paper is to provide a tool for performing path planning at the servo level of a mobile robot. The ability to perform, in a provably correct manner, such a complex task at the servo level can lead to a large…

Robotics · Computer Science 2016-08-24 Ahmad A. Masoud

In this paper we apply the stochastic variance reduced gradient (SVRG) method, which is a popular variance reduction method in optimization for accelerating the stochastic gradient method, to solve large scale linear ill-posed systems in…

Numerical Analysis · Mathematics 2024-03-20 Qinian Jin , Liuhong Chen

A space-time adaptive scheme is presented for solving advection equations in two space dimensions. The gradient-augmented level set method using a semi-Lagrangian formulation with backward time integration is coupled with a point value…

Computational Physics · Physics 2015-04-20 Dmitry Kolomenskiy , Jean-Christophe Nave , Kai Schneider

In many personalized recommendation scenarios, the generalization ability of a target task can be improved via learning with additional auxiliary tasks alongside this target task on a multi-task network. However, this method often suffers…

Machine Learning · Computer Science 2022-03-15 Yun He , Xue Feng , Cheng Cheng , Geng Ji , Yunsong Guo , James Caverlee

Gradient descent is an important class of iterative algorithms for minimizing convex functions. Classically, gradient descent has been a sequential and synchronous process. Distributed and asynchronous variants of gradient descent have been…

Optimization and Control · Mathematics 2014-12-02 Yun Kuen Cheung , Richard Cole

We study the problem of robot navigation in dense and interactive crowds with static constraints such as corridors and furniture. Previous methods fail to consider all types of spatial and temporal interactions among agents and obstacles,…

This paper presents a scalable multi-robot motion planning algorithm called Conflict-Based Model Predictive Control (CB-MPC). Inspired by Conflict-Based Search (CBS), the planner leverages a similar high-level conflict tree to efficiently…

Robotics · Computer Science 2024-04-02 Ardalan Tajbakhsh , Lorenz T. Biegler , Aaron M. Johnson

Autonomous mobile manipulation in unstructured warehouses requires a balance between efficient large-scale navigation and high-precision object interaction. Traditional end-to-end learning approaches often struggle to handle the conflicting…

Robotics · Computer Science 2026-01-13 Yun Chen , Bowei Huang , Fan Guo , Kang Song

Multi-task learning (MTL) has been widely adopted for its ability to simultaneously learn multiple tasks. While existing gradient manipulation methods often yield more balanced solutions than simple scalarization-based approaches, they…

Machine Learning · Computer Science 2025-09-29 Peiyao Xiao , Chaosheng Dong , Shaofeng Zou , Kaiyi Ji