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Textual cues are essential for everyday tasks like buying groceries and using public transport. To develop this assistive technology, we study the TextVQA task, i.e., reasoning about text in images to answer a question. Existing approaches…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Yash Kant , Dhruv Batra , Peter Anderson , Alex Schwing , Devi Parikh , Jiasen Lu , Harsh Agrawal

Pixel-level labels are particularly expensive to acquire. Hence, pretraining is a critical step to improve models on a task like semantic segmentation. However, prominent algorithms for pretraining neural networks use image-level…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Mathilde Caron , Neil Houlsby , Cordelia Schmid

This paper advocates incorporating a Low-Rank Global Attention (LRGA) module, a computation and memory efficient variant of the dot-product attention (Vaswani et al., 2017), to Graph Neural Networks (GNNs) for improving their generalization…

机器学习 · 计算机科学 2020-11-13 Omri Puny , Heli Ben-Hamu , Yaron Lipman

Self-similarity is valuable to the exploration of non-local textures in single image super-resolution (SISR). Researchers usually assume that the importance of non-local textures is positively related to their similarity scores. In this…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Jian-Nan Su , Min Gan , Guang-Yong Chen , Jia-Li Yin , C. L. Philip Chen

Deep hashing has been widely used for large-scale approximate nearest neighbor search due to its storage and search efficiency. However, existing deep hashing methods predominantly rely on abundant training data, leaving the more…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Shu Zhao , Tan Yu , Xiaoshuai Hao , Wenchao Ma , Vijaykrishnan Narayanan

Low-rank adaptation (LoRA) has been widely adopted as a parameter-efficient technique for fine-tuning large-scale pre-trained models. However, it still lags behind full fine-tuning in performance, partly due to its insufficient exploitation…

机器学习 · 计算机科学 2026-04-03 Zhizhong Li , Sina Sajadmanesh , Jingtao Li , Lingjuan Lyu

Low-Rank Adaptation (LoRA) has significantly advanced parameter-efficient fine-tuning of large pretrained models. LoRA augments the pre-trained weights of a model by adding the product of two smaller matrices that together form a low-rank…

人工智能 · 计算机科学 2025-07-09 David Bensaïd , Noam Rotstein , Roy Velich , Daniel Bensaïd , Ron Kimmel

The growing number of parameters and computational demands of large language models (LLMs) present significant challenges for their efficient deployment. Recently, there is an increasing interest in quantizing weights to extremely low…

机器学习 · 计算机科学 2025-02-18 Cheng Zhang , Jeffrey T. H. Wong , Can Xiao , George A. Constantinides , Yiren Zhao

Adapting large language models (LLMs) to downstream tasks via full fine-tuning is increasingly impractical due to its computational and memory demands. Parameter-efficient fine-tuning (PEFT) approaches such as Low-Rank Adaptation (LoRA)…

机器学习 · 计算机科学 2026-05-19 Jing Gao , Zhong-Yi Lu , Pan Zhang , Ze-Feng Gao

Low-rank adaptation (LoRA) is one of the most popular task-specific parameter-efficient fine-tuning (PEFT) methods on pre-trained language models for its good performance and computational efficiency. LoRA injects a product of two trainable…

机器学习 · 计算机科学 2024-03-20 Youbang Sun , Zitao Li , Yaliang Li , Bolin Ding

Long-range (LoRa) communication technology, distinguished by its low power consumption and long communication range, is widely used in the Internet of Things. Nevertheless, the LoRa MAC layer adopts pure ALOHA for medium access control,…

多智能体系统 · 计算机科学 2024-07-19 Ziqi Lin , Xu Zhang , Shimin Gong , Lanhua Li , Zhou Su , Bo Gu

This paper demonstrates that progressive localization, the gradual increase of attention locality from early distributed layers to late localized layers, represents the optimal architecture for creating interpretable large language models…

人工智能 · 计算机科学 2025-12-16 Joachim Diederich

Hyperparameter transfer across model architectures dramatically reduces the amount of compute necessary for tuning large language models (LLMs). The maximal update parameterization ({\mu}P) ensures transfer through principled mathematical…

Federated Learning has recently been utilized to collaboratively fine-tune foundation models across multiple clients. Notably, federated low-rank adaptation LoRA-based fine-tuning methods have recently gained attention, which allows clients…

机器学习 · 计算机科学 2025-06-17 Zikai Zhang , Ping Liu , Jiahao Xu , Rui Hu

Compressing transformer weights makes large language models cheaper to deploy. But each layer's compression introduces an error. These errors accumulate as the signal passes through later layers, and how they accumulate is not well…

机器学习 · 计算机科学 2026-05-08 Abhinaba Basu , Kumkum Basu , Koushik Deb

Fine-tuning large language models (LLMs) is computationally expensive, and Low-Rank Adaptation (LoRA) provides a cost-effective solution by approximating weight updates through low-rank matrices. In real-world scenarios, LLMs are fine-tuned…

机器学习 · 计算机科学 2025-06-03 Jinda Liu , Yi Chang , Yuan Wu

We present a systematic empirical study of the spectral structure of LoRA weight updates. Through 2D Discrete Cosine Transform (DCT) analysis of trained adaptation matrices across BERT-base and RoBERTa-base on four GLUE benchmarks (SST-2,…

机器学习 · 计算机科学 2026-04-27 Rajveer Singh

The combination of Mixture-of-Experts (MoE) and Low-Rank Adaptation (LoRA) has shown significant potential for enhancing the multi-task learning capabilities of Large Language Models. However, existing methods face two primary challenges:…

计算与语言 · 计算机科学 2026-04-22 Boyan Shi , Wei Chen , Shuyuan Zhao , Junfeng Shen , Shengnan Guo , Shaojiang Wang , Huaiyu Wan

Low-Rank Adaptation (LoRA) lowers the computational and memory overhead of fine-tuning large models by updating a low-dimensional subspace of the pre-trained weight matrix. Albeit efficient, LoRA exhibits suboptimal convergence and…

机器学习 · 计算机科学 2026-02-25 Yilang Zhang , Bingcong Li , Georgios B. Giannakis

As AI becomes more personal, e.g., Agentic AI, there is an increasing need for personalizing models for various use cases. Personalized federated learning (PFL) enables each client to collaboratively leverage other clients' knowledge for…

机器学习 · 计算机科学 2026-03-10 Minhyuk Seo , Taeheon Kim , Hankook Lee , Jonghyun Choi , Tinne Tuytelaars