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Many models have been proposed for vision and language tasks, especially the image-text retrieval task. All state-of-the-art (SOTA) models in this challenge contained hundreds of millions of parameters. They also were pretrained on a large…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Manh-Duy Nguyen , Binh T. Nguyen , Cathal Gurrin

Styled Handwritten Text Generation (Styled HTG) is an important task in document analysis, aiming to generate text images with the handwriting of given reference images. In recent years, there has been significant progress in the…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Vittorio Pippi , Fabio Quattrini , Silvia Cascianelli , Rita Cucchiara

Performances of Handwritten Text Recognition (HTR) models are largely determined by the availability of labeled and representative training samples. However, in many application scenarios labeled samples are scarce or costly to obtain. In…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Fabian Wolf , Gernot A. Fink

Masked graph autoencoder (MGAE) has emerged as a promising self-supervised graph pre-training (SGP) paradigm due to its simplicity and effectiveness. However, existing efforts perform the mask-then-reconstruct operation in the raw data…

机器学习 · 计算机科学 2023-04-07 Wenxuan Tu , Qing Liao , Sihang Zhou , Xin Peng , Chuan Ma , Zhe Liu , Xinwang Liu , Zhiping Cai

We present Music Tagging Transformer that is trained with a semi-supervised approach. The proposed model captures local acoustic characteristics in shallow convolutional layers, then temporally summarizes the sequence of the extracted…

声音 · 计算机科学 2021-11-29 Minz Won , Keunwoo Choi , Xavier Serra

Despite recent significant advancements in Handwritten Document Recognition (HDR), the efficient and accurate recognition of text against complex backgrounds, diverse handwriting styles, and varying document layouts remains a practical…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Wenhao Gu , Li Gu , Ziqiang Wang , Ching Yee Suen , Yang Wang

Retrieval-augmented generation (RAG) systems have been shown to be effective in addressing many of the drawbacks of relying solely on the parametric memory of large language models. Recent work has demonstrated that RAG systems can be…

Feature selection is an intractable problem, therefore practical algorithms often trade off the solution accuracy against the computation time. In this paper, we propose a novel multi-stage feature selection framework utilizing multiple…

One of the biggest challenges for applying machine learning to histopathology is weak supervision: whole-slide images have billions of pixels yet often only one global label. The state of the art therefore relies on strongly-supervised…

图像与视频处理 · 电气工程与系统科学 2020-12-08 Olivier Dehaene , Axel Camara , Olivier Moindrot , Axel de Lavergne , Pierre Courtiol

Retrieval-Augmented Generation (RAG) expands the knowledge boundary of large language models (LLMs) at inference by retrieving external documents as context. However, retrieval becomes increasingly time-consuming as the knowledge databases…

信息检索 · 计算机科学 2026-04-23 Peng Peng , Weiwei Lin , Wentai Wu , Xinyang Wang , Yongheng Liu

Retrieval-augmented generation (RAG) for language models significantly improves language understanding systems. The basic retrieval-then-read pipeline of response generation has evolved into a more extended process due to the integration of…

计算与语言 · 计算机科学 2025-04-22 Yunxiao Shi , Xing Zi , Zijing Shi , Haimin Zhang , Qiang Wu , Min Xu

Recent advances in retrieval-augmented generation (RAG) have initiated a new era in repository-level code completion. However, the invariable use of retrieval in existing methods exposes issues in both efficiency and robustness, with a…

软件工程 · 计算机科学 2024-06-05 Di Wu , Wasi Uddin Ahmad , Dejiao Zhang , Murali Krishna Ramanathan , Xiaofei Ma

In this paper, we propose a novel writer-independent global feature extraction framework for the task of automatic signature verification which aims to make robust systems for automatically distinguishing negative and positive samples. Our…

神经与进化计算 · 计算机科学 2020-06-30 Kian Ahrabian , Bagher Babaali

Retrieval-augmented generation (RAG) has gained wide attention as the key component to improve generative models with external knowledge augmentation from information retrieval. It has shown great prominence in enhancing the functionality…

信息检索 · 计算机科学 2024-11-06 Zihan Wang , Xuri Ge , Joemon M. Jose , Haitao Yu , Weizhi Ma , Zhaochun Ren , Xin Xin

Long-term memory is becoming a central bottleneck for language agents. Exsting RAG and GraphRAG systems largely treat memory graphs as static retrieval middleware, which limits their ability to recover complete evidence chains from partial…

人工智能 · 计算机科学 2026-05-13 Juntong Wang , Haoyue Zhao , guanghui Pan , Xiyuan Wang , Yanbo Wang , Qiyan Deng , Muhan Zhang

Given a semi-structured knowledge base (SKB), where text documents are interconnected by relations, how can we effectively retrieve relevant information to answer user questions? Retrieval-Augmented Generation (RAG) retrieves documents to…

Large language models with long context windows can answer complex questions directly from full-length academic, technical, and policy documents, but passing entire documents is often costly, slow, and can degrade answer quality while…

The surge in scientific publications challenges traditional review methods, demanding tools that integrate structured metadata with full-text analysis. Hybrid Retrieval Augmented Generation (RAG) systems, combining graph queries with vector…

Designing pre-training objectives that more closely resemble the downstream tasks for pre-trained language models can lead to better performance at the fine-tuning stage, especially in the ad-hoc retrieval area. Existing pre-training…

信息检索 · 计算机科学 2021-08-24 Zhengyi Ma , Zhicheng Dou , Wei Xu , Xinyu Zhang , Hao Jiang , Zhao Cao , Ji-Rong Wen

The performance of Retrieval-Augmented Generation (RAG) systems in information retrieval is significantly influenced by the characteristics of the documents being processed. In this study, the structured nature of textbooks, the conciseness…

信息检索 · 计算机科学 2024-09-23 Esmaeil Narimissa , David Raithel