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The quadratic cost of attention limits the scalability of long-context LLMs, especially under limited hardware memory budgets. While attention is often sparse, existing static sparse methods cannot adapt to task- or input-dependent…

计算与语言 · 计算机科学 2026-05-29 Siheng Xiong , Joe Zou , Faramarz Fekri , Yae Jee Cho

Recent studies suggest that context-aware low-rank approximation is a useful tool for compression and fine-tuning of modern large-scale neural networks. In this type of approximation, a norm is weighted by a matrix of input activations,…

机器学习 · 计算机科学 2026-03-26 Uliana Parkina , Maxim Rakhuba

3D referring expression comprehension (3DREC) and segmentation (3DRES) have overlapping objectives, indicating their potential for collaboration. However, existing collaborative approaches predominantly depend on the results of one task to…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Zhipeng Qian , Yiwei Ma , Zhekai Lin , Jiayi Ji , Xiawu Zheng , Xiaoshuai Sun , Rongrong Ji

Neural operators are aiming at approximating operators mapping between Banach spaces of functions, achieving much success in the field of scientific computing. Compared to certain deep learning-based solvers, such as Physics-Informed Neural…

机器学习 · 计算机科学 2025-01-13 Xianliang Xu , Ye Li , Zhongyi Huang

Solving large-scale Partial Differential Equations (PDEs) on complex three-dimensional geometries represents a central challenge in scientific and engineering computing, often impeded by expensive pre-processing stages and substantial…

计算工程、金融与科学 · 计算机科学 2025-10-21 Peijian Zeng , Guan Wang , Haohao Gu , Xiaoguang Hu , Tiezhu Gao , Zhuowei Wang , Aimin Yang , Xiaoyu Song

Remarkable effectiveness of the channel or spatial attention mechanisms for producing more discernible feature representation are illustrated in various computer vision tasks. However, modeling the cross-channel relationships with channel…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Daliang Ouyang , Su He , Guozhong Zhang , Mingzhu Luo , Huaiyong Guo , Jian Zhan , Zhijie Huang

Neural networks have achieved tremendous success in a large variety of applications. However, their memory footprint and computational demand can render them impractical in application settings with limited hardware or energy resources. In…

机器学习 · 计算机科学 2022-10-19 Steffen Schotthöfer , Emanuele Zangrando , Jonas Kusch , Gianluca Ceruti , Francesco Tudisco

Low-Rank Adaptation (LoRA) is widely used to efficiently adapt Transformers by adding trainable low-rank matrices to attention projections. While effective, these matrices are considered independent for each attention projection (Query,…

机器学习 · 计算机科学 2026-02-06 Axel Marmoret , Reda Bensaid , Jonathan Lys , Vincent Gripon , François Leduc-Primeau

In this paper, we introduce a subspace-inspired Low-Rank Adaptation (LoRA) method, which is computationally efficient, easy to implement, and readily applicable to large language, multimodal, and diffusion models. Initially, we equivalently…

机器学习 · 计算机科学 2025-03-04 Taiqiang Wu , Jiahao Wang , Zhe Zhao , Ngai Wong

Large language model (LLM) training is often bottlenecked by memory constraints and stochastic gradient noise in extremely high-dimensional parameter spaces. Motivated by empirical evidence that many LLM gradient matrices are effectively…

机器学习 · 计算机科学 2026-03-24 Zehao Li , Tao Ren , Zishi Zhang , Xi Chen , Yijie Peng

Recently there is a line of research work proposing to employ Spectral Clustering (SC) to segment (group){Throughout the paper, we use segmentation, clustering, and grouping, and their verb forms, interchangeably.} high-dimensional…

计算机视觉与模式识别 · 计算机科学 2010-10-11 Yuzhao Ni , Ju Sun , Xiaotong Yuan , Shuicheng Yan , Loong-Fah Cheong

Effective representation learning from text has been an active area of research in the fields of NLP and text mining. Attention mechanisms have been at the forefront in order to learn contextual sentence representations. Current…

计算与语言 · 计算机科学 2020-08-11 Sneha Mehta , Huzefa Rangwala , Naren Ramakrishnan

The use of low-rank adaptation (LoRA) with frozen pretrained language models (PLMs) has become increasing popular as a mainstream, resource-efficient modeling approach for memory-constrained hardware. In this study, we first explore how to…

Given a limited number of entries from the superposition of a low-rank matrix plus the product of a known fat compression matrix times a sparse matrix, recovery of the low-rank and sparse components is a fundamental task subsuming…

多智能体系统 · 计算机科学 2013-10-01 Morteza Mardani , Gonzalo Mateos , Georgios B. Giannakis

Large reasoning models (LRMs) achieve state-of-the-art performance on challenging benchmarks by generating long chains of intermediate steps, but their inference cost is dominated by decoding, where each new token must attend to the entire…

计算与语言 · 计算机科学 2026-05-05 Hossein Entezari Zarch , Lei Gao , Chaoyi Jiang , Murali Annavaram

Continual learning in Neural Machine Translation (NMT) faces the dual challenges of catastrophic forgetting and the high computational cost of retraining. This study establishes Low-Rank Adaptation (LoRA) as a parameter-efficient framework…

计算与语言 · 计算机科学 2025-12-11 Salvador Carrión , Francisco Casacuberta

In this work we address the subspace recovery problem. Given a set of data samples (vectors) approximately drawn from a union of multiple subspaces, our goal is to segment the samples into their respective subspaces and correct the possible…

信息论 · 计算机科学 2013-01-29 Guangcan Liu , Zhouchen Lin , Shuicheng Yan , Ju Sun , Yong Yu , Yi Ma

Registration networks have shown great application potentials in medical image analysis. However, supervised training methods have a great demand for large and high-quality labeled datasets, which is time-consuming and sometimes impractical…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Dengqiang Jia , Shangqi Gao , Qunlong Chen , Xinzhe Luo , Xiahai Zhuang

Physics-informed neural networks (PINNs) have been widely used to develop neural surrogates for solutions of Partial Differential Equations. A drawback of PINNs is that they have to be retrained with every change in initial-boundary…

机器学习 · 计算机科学 2023-08-21 Ritam Majumdar , Vishal Jadhav , Anirudh Deodhar , Shirish Karande , Lovekesh Vig , Venkataramana Runkana

Deep learning has achieved significant success in single hyperspectral image super-resolution (SHSR); however, the high spectral dimensionality leads to a heavy computational burden, thus making it difficult to deploy in real-time…

图像与视频处理 · 电气工程与系统科学 2025-10-01 Haohan Shi , Fei Zhou , Xin Sun , Jungong Han