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Visual document retrieval aims to retrieve a set of document pages relevant to a query from visually rich collections. Existing methods often employ Vision-Language Models (VLMs) to encode queries and visual pages into a shared embedding…

Information Retrieval · Computer Science 2026-04-10 Hao Yang , Yifan Ji , Zhipeng Xu , Zhenghao Liu , Yukun Yan , Zulong Chen , Shuo Wang , Yu Gu , Ge Yu

We present a novel, open-access dataset designed for semantic layout analysis, built to support document recreation workflows through mapping with the Text Encoding Initiative (TEI) standard. This dataset includes 7,254 annotated pages…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Thibault Clérice , Juliette Janes , Hugo Scheithauer , Sarah Bénière , Florian Cafiero , Laurent Romary , Simon Gabay , Benoît Sagot

Text line detection is crucial for any application associated with Automatic Text Recognition or Keyword Spotting. Modern algorithms perform good on well-established datasets since they either comprise clean data or simple/homogeneous page…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Tobias Grüning , Roger Labahn , Markus Diem , Florian Kleber , Stefan Fiel

Recent efforts of multimodal Transformers have improved Visually Rich Document Understanding (VrDU) tasks via incorporating visual and textual information. However, existing approaches mainly focus on fine-grained elements such as words and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Wenjin Wang , Zhengjie Huang , Bin Luo , Qianglong Chen , Qiming Peng , Yinxu Pan , Weichong Yin , Shikun Feng , Yu Sun , Dianhai Yu , Yin Zhang

Large Language Models (LLMs) and Vision Language Models (VLMs) have shown impressive reasoning abilities, yet they struggle with spatial understanding and layout consistency when performing fine-grained visual editing. We introduce a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Haoyu Zhen , Xiaolong Li , Yilin Zhao , Han Zhang , Sifei Liu , Kaichun Mo , Chuang Gan , Subhashree Radhakrishnan

Document-level relation extraction requires integrating information within and across multiple sentences of a document and capturing complex interactions between inter-sentence entities. However, effective aggregation of relevant…

Computation and Language · Computer Science 2020-07-29 Guoshun Nan , Zhijiang Guo , Ivan Sekulić , Wei Lu

An important preliminary step of optical character recognition systems is the detection of text rows. To address this task in the context of historical data with missing labels, we propose a self-paced learning algorithm capable of…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Mihaela Gaman , Lida Ghadamiyan , Radu Tudor Ionescu , Marius Popescu

Recent years have seen flourishing research on both semi-supervised learning and 3D room layout reconstruction. In this work, we explore the intersection of these two fields to advance the research objective of enabling more accurate 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Phi Vu Tran

Historical map legends are critical for interpreting cartographic symbols. However, their inconsistent layouts and unstructured formats make automatic extraction challenging. Prior work focuses primarily on segmentation or general optical…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Sofia Kirsanova , Yao-Yi Chiang , Weiwei Duan

Document parsing from scanned images into structured formats remains a significant challenge due to its complexly intertwined elements such as text paragraphs, figures, formulas, and tables. Existing supervised fine-tuning methods often…

Computation and Language · Computer Science 2025-10-21 Baode Wang , Biao Wu , Weizhen Li , Meng Fang , Zuming Huang , Jun Huang , Haozhe Wang , Yanjie Liang , Ling Chen , Wei Chu , Yuan Qi

Document understanding with multimodal large language models (MLLMs) requires not only accurate answers but also explicit, evidence-grounded reasoning, especially in high-stakes scenarios. However, current document MLLMs still fall short of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yuchuan Wu , Minghan Zhuo , Teng Fu , Mengyang Zhao , Bin Li , Xiangyang Xue

Spatial intelligence is a critical frontier for Multimodal Large Language Models (MLLMs), empowering them to comprehend the physical world. Drawing inspiration from human perception mechanisms, prior studies attempt to construct a spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yibin Huang , Wang Xu , Wanyue Zhang , Helu Zhi , Jingjing Huang , Yangbin Xu , Yangang Sun , Conghui Zhu , Tiejun Zhao

With the rapid advances in diffusion models, generating decent images from text prompts is no longer challenging. The key to text-to-image generation is how to optimize the results of a text-to-image generation model so that they can be…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xiwen Wang , Jizhe Zhou , Xuekang Zhu , Cheng Li , Mao Li

Diffusion-driven text-to-image (T2I) generation has achieved remarkable advancements in recent years. To further improve T2I models' capability in numerical and spatial reasoning, layout is employed as an intermedium to bridge large…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yuhao Jia , Wenhan Tan

Recent zero-shot learning (ZSL) approaches have integrated fine-grained analysis, i.e., fine-grained ZSL, to mitigate the commonly known seen/unseen domain bias and misaligned visual-semantics mapping problems, and have made profound…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Jingcai Guo , Zhijie Rao , Zhi Chen , Jingren Zhou , Dacheng Tao

As rich sources of history, maps provide crucial insights into historical changes, yet their diverse visual representations and limited annotated data pose significant challenges for automated processing. We propose a simple yet effective…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Rafael Sterzinger , Marco Peer , Robert Sablatnig

In the domain of image layout representation learning, the critical process of translating image layouts into succinct vector forms is increasingly significant across diverse applications, such as image retrieval, manipulation, and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Zhaoran Zhao , Peng Lu , Xujun Peng , Wenhao Guo

This paper introduces a deep learning model tailored for document information analysis, emphasizing document classification, entity relation extraction, and document visual question answering. The proposed model leverages transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Tofik Ali , Partha Pratim Roy

As CLIP's global alignment limits its ability to capture fine-grained details, recent efforts have focused on enhancing its region-text alignment. However, current remote sensing (RS)-specific CLIP variants still inherit this limited…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Zhenshi Li , Weikang Yu , Dilxat Muhtar , Xueliang Zhang , Pengfeng Xiao , Pedram Ghamisi , Xiao Xiang Zhu

Deep learning has witnessed the extensive utilization across a wide spectrum of domains, including fine-grained few-shot learning (FGFSL) which heavily depends on deep backbones. Nonetheless, shallower deep backbones such as ConvNet-4, are…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Chaofei Qi , Chao Ye , Zhitai Liu , Weiyang Lin , Jianbin Qiu