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Related papers: Infinity Parser: Layout Aware Reinforcement Learni…

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Reinforcement Learning (RL) has shown promise in improving the reasoning abilities of Large Language Models (LLMs). However, the specific challenges of adapting RL to multimodal data and formats remain relatively unexplored. In this work,…

Machine Learning · Computer Science 2025-05-20 Zirun Guo , Minjie Hong , Tao Jin

While large language models (LLMs) demonstrate impressive capabilities, their reliance on parametric knowledge often leads to factual inaccuracies. Retrieval-Augmented Generation (RAG) mitigates this by leveraging external documents, yet…

Computation and Language · Computer Science 2025-10-07 Lingnan Xu , Chong Feng , Kaiyuan Zhang , Liu Zhengyong , Wenqiang Xu , Fanqing Meng

Document parsing is a fine-grained task where image resolution significantly impacts performance. While advanced research leveraging vision-language models benefits from high-resolution input to boost model performance, this often leads to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Cheng Cui , Ting Sun , Suyin Liang , Tingquan Gao , Zelun Zhang , Jiaxuan Liu , Xueqing Wang , Changda Zhou , Hongen Liu , Manhui Lin , Yue Zhang , Yubo Zhang , Jing Zhang , Jun Zhang , Xing Wei , Yi Liu , Dianhai Yu , Yanjun Ma

Modern LVLMs still struggle to achieve fine-grained document understanding, such as OCR/translation/caption for regions of interest to the user, tasks that require the context of the entire page, or even multiple pages. Accordingly, this…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Chenglong Liu , Haoran Wei , Jinyue Chen , Lingyu Kong , Zheng Ge , Zining Zhu , Liang Zhao , Jianjian Sun , Chunrui Han , Xiangyu Zhang

The recent advancements in Vision Language Models (VLMs) have demonstrated progress toward true intelligence requiring robust reasoning capabilities. Beyond pattern recognition, linguistic reasoning must integrate with visual comprehension,…

Artificial Intelligence · Computer Science 2026-04-06 Yunfei Bai , Amit Dhanda , Shekhar Jain

LLMs have fundamentally transformed dense retrieval, upgrading backbones from discriminative encoders to generative architectures. However, a critical disconnect remains: while LLMs possess strong reasoning capabilities, current retrievers…

Computation and Language · Computer Science 2026-03-03 Jiajie Jin , Yanzhao Zhang , Mingxin Li , Dingkun Long , Pengjun Xie , Yutao Zhu , Zhicheng Dou

Interest in reinforcement learning (RL) for large-scale systems, comprising extensive populations of intelligent agents interacting with heterogeneous environments, has surged significantly across diverse scientific domains in recent years.…

Systems and Control · Electrical Eng. & Systems 2025-09-16 Wei Zhang , Jr-Shin Li

We introduce WordScape, a novel pipeline for the creation of cross-disciplinary, multilingual corpora comprising millions of pages with annotations for document layout detection. Relating visual and textual items on document pages has…

Document-level discourse parsing, in accordance with the Rhetorical Structure Theory (RST), remains notoriously challenging. Challenges include the deep structure of document-level discourse trees, the requirement of subtle semantic…

Computation and Language · Computer Science 2020-12-22 Ke Shi , Zhengyuan Liu , Nancy F. Chen

Recently, leveraging large language models (LLMs) or multimodal large language models (MLLMs) for document understanding has been proven very promising. However, previous works that employ LLMs/MLLMs for document understanding have not…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Chuwei Luo , Yufan Shen , Zhaoqing Zhu , Qi Zheng , Zhi Yu , Cong Yao

In recent years, the use of multi-modal pre-trained Transformers has led to significant advancements in visually-rich document understanding. However, existing models have mainly focused on features such as text and vision while neglecting…

Computation and Language · Computer Science 2023-08-16 Qiwei Li , Zuchao Li , Xiantao Cai , Bo Du , Hai Zhao

Recognizing the layout of unstructured digital documents is an important step when parsing the documents into structured machine-readable format for downstream applications. Deep neural networks that are developed for computer vision have…

Computation and Language · Computer Science 2019-08-22 Xu Zhong , Jianbin Tang , Antonio Jimeno Yepes

Academic research tends to focus on new models for document understanding creating a wide gap in the literature between model definition and running models at production scale. To close that gap, we present a microservice architecture that…

Modeling and leveraging layout reading order in visually-rich documents (VrDs) is critical in document intelligence as it captures the rich structure semantics within documents. Previous works typically formulated layout reading order as a…

Computation and Language · Computer Science 2024-10-01 Chong Zhang , Yi Tu , Yixi Zhao , Chenshu Yuan , Huan Chen , Yue Zhang , Mingxu Chai , Ya Guo , Huijia Zhu , Qi Zhang , Tao Gui

Text Summarization is a popular task and an active area of research for the Natural Language Processing community. By definition, it requires to account for long input texts, a characteristic which poses computational challenges for neural…

Computation and Language · Computer Science 2023-01-27 Laura Nguyen , Thomas Scialom , Benjamin Piwowarski , Jacopo Staiano

Transforming documents into machine-processable representations is a challenging task due to their complex structures and variability in formats. Recovering the layout structure and content from PDF files or scanned material has remained a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Christoph Auer , Ahmed Nassar , Maksym Lysak , Michele Dolfi , Nikolaos Livathinos , Peter Staar

While Large Language Models (LLMs) demonstrate exceptional performance in surface-level text generation, their nature in handling complex multi-step reasoning tasks often remains one of ``statistical fitting'' rather than systematic logical…

Machine Learning · Computer Science 2026-01-27 Lianlei Shan , Han Chen , Yixuan Wang , Zhenjie Liu , Wei Li

Recently, two-stage fine-tuning strategies, e.g., acquiring essential driving knowledge through supervised fine-tuning (SFT) and further enhancing decision-making and planning via reinforcement fine-tuning (RFT), have shown strong potential…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Songyan Zhang , Wenhui Huang , Zhan Chen , Chua Jiahao Collister , Qihang Huang , Chen Lv

Document content extraction is a critical task in computer vision, underpinning the data needs of large language models (LLMs) and retrieval-augmented generation (RAG) systems. Despite recent progress, current document parsing methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Linke Ouyang , Yuan Qu , Hongbin Zhou , Jiawei Zhu , Rui Zhang , Qunshu Lin , Bin Wang , Zhiyuan Zhao , Man Jiang , Xiaomeng Zhao , Jin Shi , Fan Wu , Pei Chu , Minghao Liu , Zhenxiang Li , Chao Xu , Bo Zhang , Botian Shi , Zhongying Tu , Conghui He

Medical Ultrasound (US) imaging has seen increasing demands over the past years, becoming one of the most preferred imaging modalities in clinical practice due to its affordability, portability, and real-time capabilities. However, it faces…