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In large technology companies, the requirements for managing and organizing technical documents created by engineers and managers have increased dramatically in recent years, which has led to a higher demand for more scalable, accurate, and…

机器学习 · 计算机科学 2025-10-31 Shuo Jiang , Jie Hu , Christopher L. Magee , Jianxi Luo

Due to the difficulty of automatically mapping visual features with semantic descriptors, state-of-the-art frameworks have exhibited poor performance in terms of coverage and effectiveness for indexing the visual content. This prompted us…

多媒体 · 计算机科学 2020-04-28 M. Belkhatir

Measuring similarity between texts is an important task for several applications. Available approaches to measure document similarity are inadequate for document pairs that have non-comparable lengths, such as a long document and its…

计算与语言 · 计算机科学 2019-03-27 Hongyu Gong , Tarek Sakakini , Suma Bhat , Jinjun Xiong

This paper proposes LayoutLLM, a more flexible document analysis method for understanding imaged documents. Visually Rich Document Understanding tasks, such as document image classification and information extraction, have gained…

计算与语言 · 计算机科学 2024-03-22 Masato Fujitake

We aim to develop a retrieval-augmented generation (RAG) framework that answers questions over a corpus of visually-rich documents presented in mixed modalities (e.g., charts, tables) and diverse formats (e.g., PDF, PPTX). In this paper, we…

计算与语言 · 计算机科学 2025-04-15 Ryota Tanaka , Taichi Iki , Taku Hasegawa , Kyosuke Nishida , Kuniko Saito , Jun Suzuki

Deep models that are both effective and explainable are desirable in many settings; prior explainable models have been unimodal, offering either image-based visualization of attention weights or text-based generation of post-hoc…

Long-document topic segmentation plays an important role in information retrieval and document understanding, yet existing methods still show clear shortcomings in ultra-long text settings. Traditional discriminative models are constrained…

计算与语言 · 计算机科学 2026-03-02 Kaifeng Wu , Junyan Wu , Qiang Liu , Jiarui Zhang , Wen Xu

Multimodal Large Language Models (MLLMs) demonstrate impressive reasoning capabilities, but often fail to perceive fine-grained visual details, limiting their applicability in precision-demanding tasks. While methods that crop salient…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Woojun Jung , Jaehoon Go , Mingyu Jeon , Sunjae Yoon , Junyeong Kim

Many recent document embedding models are trained on document-as-image representations, embedding rendered pages as images rather than the underlying source. Meanwhile, existing benchmarks for scientific document retrieval, such as ArXivQA…

信息检索 · 计算机科学 2026-04-21 Ghazal Khalighinejad , Raghuveer Thirukovalluru , Alexander H. Oh , Bhuwan Dhingra

Fine-grained video classification requires understanding complex spatio-temporal and semantic cues that often exceed the capacity of a single modality. In this paper, we propose a multimodal framework that fuses video, image, and text…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Namho Kim , Junhwa Kim

This paper introduces a large-scale multimodal and multilingual dataset that aims to facilitate research on grounding words to images in their contextual usage in language. The dataset consists of images selected to unambiguously illustrate…

计算与语言 · 计算机科学 2022-06-20 Josiah Wang , Pranava Madhyastha , Josiel Figueiredo , Chiraag Lala , Lucia Specia

Multi-modal document pre-trained models have proven to be very effective in a variety of visually-rich document understanding (VrDU) tasks. Though existing document pre-trained models have achieved excellent performance on standard…

计算机视觉与模式识别 · 计算机科学 2025-06-19 Chuwei Luo , Guozhi Tang , Qi Zheng , Cong Yao , Lianwen Jin , Chenliang Li , Yang Xue , Luo Si

We introduce a multimodal visual-textual search refinement method for fashion garments. Existing search engines do not enable intuitive, interactive, refinement of retrieved results based on the properties of a particular product. We…

机器学习 · 计算机科学 2019-06-18 Gil Sadeh , Lior Fritz , Gabi Shalev , Eduard Oks

Event coreference resolution (ECR) is the task of determining whether distinct mentions of events within a multi-document corpus are actually linked to the same underlying occurrence. Images of the events can help facilitate resolution when…

Cross-modal information retrieval aims to find heterogeneous data of various modalities from a given query of one modality. The main challenge is to map different modalities into a common semantic space, in which distance between concepts…

信息检索 · 计算机科学 2018-02-14 Jing Yu , Yuhang Lu , Zengchang Qin , Yanbing Liu , Jianlong Tan , Li Guo , Weifeng Zhang

RAG-based QA has emerged as a powerful method for processing long industrial documents. However, conventional text chunking approaches often neglect complex and long industrial document structures, causing information loss and reduced…

人工智能 · 计算机科学 2026-04-15 Joongmin Shin , Chanjun Park , Jeongbae Park , Jaehyung Seo , Heuiseok Lim

The core of cross-modal matching is to accurately measure the similarity between different modalities in a unified representation space. However, compared to textual descriptions of a certain perspective, the visual modality has more…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Wenzhang Wei , Zhipeng Gui , Changguang Wu , Anqi Zhao , Dehua Peng , Huayi Wu

Keyword-based information processing has limitations due to simple treatment of words. In this paper, we introduce named entities as objectives into document clustering, which are the key elements defining document semantics and in many…

信息检索 · 计算机科学 2018-07-23 Tru H. Cao , Vuong M. Ngo , Dung T. Hong , Tho T. Quan

Contrastive vision-language models such as CLIP have demonstrated strong performance across a wide range of multimodal tasks by learning from aligned image-text pairs. However, their ability to handle complex, real-world web documents…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Yiqi Lin , Alex Jinpeng Wang , Linjie Li , Zhengyuan Yang , Mike Zheng Shou

The rapid advancement of unsupervised representation learning and large-scale pre-trained vision-language models has significantly improved cross-modal retrieval tasks. However, existing multi-modal information retrieval (MMIR) studies lack…

信息检索 · 计算机科学 2025-10-20 Zirui Li , Siwei Wu , Yizhi Li , Xingyu Wang , Yi Zhou , Chenghua Lin