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Vision-Language-Action (VLA) models have demonstrated remarkable generalization capabilities in robotic manipulation tasks, yet their substantial computational overhead remains a critical obstacle to real-world deployment. Improving…

机器人学 · 计算机科学 2026-02-03 Yujie Wei , Jiahan Fan , Jiyu Guo , Ruichen Zhen , Rui Shao , Xiu Su , Zeke Xie , Shuo Yang

Humans can naturally learn new and varying tasks in a sequential manner. Continual learning is a class of learning algorithms that updates its learned model as it sees new data (on potentially new tasks) in a sequence. A key challenge in…

机器学习 · 计算机科学 2025-03-04 Masih Eskandar , Tooba Imtiaz , Davin Hill , Zifeng Wang , Jennifer Dy

Continual Learning with Pre-trained Models holds great promise for efficient adaptation across sequential tasks. However, most existing approaches freeze PTMs and rely on auxiliary modules like prompts or adapters, limiting model plasticity…

机器学习 · 计算机科学 2025-11-17 Huan Zhang , Shenghua Fan , Shuyu Dong , Yujin Zheng , Dingwen Wang , Fan Lyu

We propose a framework for the design of feedback controllers that combines the optimization-driven and model-free advantages of deep reinforcement learning with the stability guarantees provided by using the Youla-Kucera parameterization…

机器学习 · 计算机科学 2024-03-25 Nathan P. Lawrence , Philip D. Loewen , Shuyuan Wang , Michael G. Forbes , R. Bhushan Gopaluni

Self-supervised learning (SSL) is able to build latent representations that generalize well to unseen data. However, only a few SSL techniques exist for the online CL setting, where data arrives in small minibatches, the model must comply…

机器学习 · 计算机科学 2025-07-16 Giacomo Cignoni , Andrea Cossu , Alexandra Gomez-Villa , Joost van de Weijer , Antonio Carta

A key challenge in the continual learning setting is to efficiently learn a sequence of tasks without forgetting how to perform previously learned tasks. Many existing approaches to this problem work by either retraining the model on…

机器学习 · 计算机科学 2024-01-12 Weijieying Ren , Vasant G Honavar

Post-training improves large language models (LLMs) but often worsens confidence calibration, leading to systematic overconfidence. Recent unsupervised post-hoc methods for post-trained LMs (PoLMs) mitigate this by aligning PoLM confidence…

机器学习 · 计算机科学 2026-01-09 Beier Luo , Cheng Wang , Hongxin Wei , Sharon Li , Xuefeng Du

Supervised and preference-based fine-tuning techniques have become popular for aligning large language models (LLMs) with user intent and correctness criteria. However, real-world training data often exhibits spurious correlations --…

计算与语言 · 计算机科学 2025-05-12 Julia Shuieh , Prasann Singhal , Apaar Shanker , John Heyer , George Pu , Samuel Denton

Low-Rank Adaptation (LoRA) has become one of the most widely used fine-tuning mechanisms for adapting large language models to new domains, tasks, and users. Yet adaptation performance alone can obscure an important failure mode: LoRA…

计算与语言 · 计算机科学 2026-05-29 Runze Xu , Arpit Garg , Hemanth Saratchandran , Simon Lucey

Continual learning requires learning incremental tasks with dynamic data distributions. So far, it has been observed that employing a combination of contrastive loss and distillation loss for training in continual learning yields strong…

机器学习 · 计算机科学 2024-05-30 Yichen Wen , Zhiquan Tan , Kaipeng Zheng , Chuanlong Xie , Weiran Huang

Recently, post-training methods based on reinforcement learning, with a particular focus on Group Relative Policy Optimization (GRPO), have emerged as the robust paradigm for further advancement of text-to-image (T2I) models. However, these…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Haoyuan Sun , Jing Wang , Yuxin Song , Yu Lu , Bo Fang , Yifu Luo , Jun Yin , Pengyu Zeng , Miao Zhang , Tiantian Zhang , Xueqian Wang , Shijian Lu

Increasing complexity of modern chips makes design validation more difficult. Existing approaches are not able anymore to cope with the complexity of tasks such as robust performance tuning in post-silicon validation. Therefore, we propose…

机器学习 · 计算机科学 2022-01-27 Peter Domanski , Dirk Pflüger , Jochen Rivoir , Raphaël Latty

Continual learning (CL) has remained a significant challenge for deep neural networks as learning new tasks erases previously acquired knowledge, either partially or completely. Existing solutions often rely on experience rehearsal or full…

机器学习 · 计算机科学 2025-05-29 Prashant Bhat , Laurens Niesten , Elahe Arani , Bahram Zonooz

Low-Rank Adaptation (LoRA) is a widely-used parameter-efficient finetuning method for large language models. LoRA saves memory by training only low rank perturbations to selected weight matrices. In this work, we compare the performance of…

Existing training approaches for large language models learn a single set of parameters, based on large volumes of data, which is typically heterogeneous, conflicting and often outright contradictory. As a result, the model is forced to…

机器学习 · 统计学 2026-05-28 Paula Cordero-Encinar , Georgy Tyukin , Andrew B. Duncan

Rapid development of large-scale pre-training has resulted in foundation models that can act as effective feature extractors on a variety of downstream tasks and domains. Motivated by this, we study the efficacy of pre-trained vision models…

The ability to learn new concepts continually is necessary in this ever-changing world. However, deep neural networks suffer from catastrophic forgetting when learning new categories. Many works have been proposed to alleviate this…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Fu-Yun Wang , Da-Wei Zhou , Han-Jia Ye , De-Chuan Zhan

Continual learning is inherently a constrained learning problem. The goal is to learn a predictor under a no-forgetting requirement. Although several prior studies formulate it as such, they do not solve the constrained problem explicitly.…

机器学习 · 计算机科学 2024-06-03 Juan Elenter , Navid NaderiAlizadeh , Tara Javidi , Alejandro Ribeiro

Precise measurements from sensors are crucial, but data is usually collected from low-cost, low-tech systems, which are often inaccurate. Thus, they require further calibrations. To that end, we first identify three requirements for…

机器学习 · 计算机科学 2024-12-31 Seokho Ahn , Hyungjin Kim , Sungbok Shin , Young-Duk Seo

Few-Shot Learning (FSL) has attracted growing attention in computer vision due to its capability in model training without the need for excessive data. FSL is challenging because the training and testing categories (the base vs. novel sets)…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Ying-Yu Chen , Jun-Wei Hsieh , Ming-Ching Chang