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Multimodal large language models (MLLMs) have shown impressive capabilities across various domains, excelling in processing and understanding information from multiple modalities. Despite the rapid progress made previously, insufficient OCR…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Song Chen , Xinyu Guo , Yadong Li , Tao Zhang , Mingan Lin , Dongdong Kuang , Youwei Zhang , Lingfeng Ming , Fengyu Zhang , Yuran Wang , Jianhua Xu , Zenan Zhou , Weipeng Chen

Handwritten text recognition (HTR) and machine translation continue to pose significant challenges, particularly for low-resource languages like Marathi, which lack large digitized corpora and exhibit high variability in handwriting styles.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Shubham Kumar Nigam , Parjanya Aditya Shukla , Noel Shallum , Arnab Bhattacharya

In this report, we propose PaddleOCR-VL, a SOTA and resource-efficient model tailored for document parsing. Its core component is PaddleOCR-VL-0.9B, a compact yet powerful vision-language model (VLM) that integrates a NaViT-style dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Cheng Cui , Ting Sun , Suyin Liang , Tingquan Gao , Zelun Zhang , Jiaxuan Liu , Xueqing Wang , Changda Zhou , Hongen Liu , Manhui Lin , Yue Zhang , Yubo Zhang , Handong Zheng , Jing Zhang , Jun Zhang , Yi Liu , Dianhai Yu , Yanjun Ma

Business Process Model and Notation (BPMN) is a widely adopted standard for representing complex business workflows. While BPMN diagrams are often exchanged as visual images, existing methods primarily rely on XML representations for…

Artificial Intelligence · Computer Science 2025-12-01 Pritam Deka , Barry Devereux

The computational and memory overheads associated with expanding the context window of LLMs severely limit their scalability. A noteworthy solution is vision-text compression (VTC), exemplified by frameworks like DeepSeek-OCR and Glyph,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Hongbo Zhao , Meng Wang , Fei Zhu , Wenzhuo Liu , Bolin Ni , Fanhu Zeng , Gaofeng Meng , Zhaoxiang Zhang

Recent advancements in vision-language models (VLMs) have improved performance by increasing the number of visual tokens, which are often significantly longer than text tokens. However, we observe that most real-world scenarios do not…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Senqiao Yang , Junyi Li , Xin Lai , Bei Yu , Hengshuang Zhao , Jiaya Jia

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

Recent advances in vision-language models (VLMs) have enabled end-to-end document parsing and understanding, achieving strong performance on diverse optical character recognition (OCR) tasks. However, VLMs are prone to generate words that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Qian Chen , Xianyin Zhang , Lifan Guo , Feng Chen , Chi Zhang

We present OpenThaiGPT 1.6 and R1 (OTG-1.6 and OTG-R1), Thai-centric Large Language Models (LLMs) developed through distinct methodologies to enhance generalization and reasoning capabilities. OTG-1.6 employs Task Arithmetic model merging…

Computation and Language · Computer Science 2025-04-03 Sumeth Yuenyong , Thodsaporn Chay-intr , Kobkrit Viriyayudhakorn

This paper presents HunyuanOCR, a commercial-grade, open-source, and lightweight (1B parameters) Vision-Language Model (VLM) dedicated to OCR tasks. The architecture comprises a Native Vision Transformer (ViT) and a lightweight LLM…

DeepSeek-OCR leverages visual-text compression to reduce long-text processing costs and accelerate inference, yet visual tokens remain prone to redundant textual and structural information. Moreover, current token pruning methods for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Ben Wan , Yan Feng , Zihan Tang , Weizhe Huang , Yuting Zeng , Jia Wang , Tongxuan Liu

Text-rich document understanding (TDU) requires comprehensive analysis of documents containing substantial textual content and complex layouts. While Multimodal Large Language Models (MLLMs) have achieved fast progress in this domain,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Wenhui Liao , Jiapeng Wang , Hongliang Li , Chengyu Wang , Jun Huang , Lianwen Jin

In recent years, general visual foundation models (VFMs) have witnessed increasing adoption, particularly as image encoders for popular multi-modal large language models (MLLMs). However, without semantically fine-grained supervision, these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Tongkun Guan , Zining Wang , Pei Fu , Zhengtao Guo , Wei Shen , Kai Zhou , Tiezhu Yue , Chen Duan , Hao Sun , Qianyi Jiang , Junfeng Luo , Xiaokang Yang

Optical Character Recognition (OCR) for data extraction from documents is essential to intelligent informatics, such as digitizing medical records and recognizing road signs. Multi-modal Large Language Models (LLMs) can solve this task and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Hyakka Nakada , Yoshiyasu Tanaka

This paper presents a comprehensive evaluation of the Optical Character Recognition (OCR) capabilities of the recently released GPT-4V(ision), a Large Multimodal Model (LMM). We assess the model's performance across a range of OCR tasks,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yongxin Shi , Dezhi Peng , Wenhui Liao , Zening Lin , Xinhong Chen , Chongyu Liu , Yuyi Zhang , Lianwen Jin

Vision-language models (VLMs) have been widely-applied in ground-based vision-language navigation (VLN). However, the vast complexity of outdoor aerial environments compounds data acquisition challenges and imposes long-horizon trajectory…

Robotics · Computer Science 2025-11-24 Peican Lin , Gan Sun , Chenxi Liu , Fazeng Li , Weihong Ren , Yang Cong

This paper proposes OCR++, an open-source framework designed for a variety of information extraction tasks from scholarly articles including metadata (title, author names, affiliation and e-mail), structure (section headings and body text,…

Document retrieval is an important task for search and Retrieval-Augmented Generation (RAG) applications. Large Language Models (LLMs) have contributed to improving the accuracy of text-based document retrieval. However, documents with…

Information Retrieval · Computer Science 2025-05-22 Radek Osmulski , Gabriel de Souza P. Moreira , Ronay Ak , Mengyao Xu , Benedikt Schifferer , Even Oldridge

Image-text retrieval has become a fundamental component in intelligent multimedia systems; however, most existing vision-language models are optimized for highresource languages and remain suboptimal for low-resource settings such as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Quoc-Khang Tran , Minh-Thien Nguyen , Nguyen-Khang Pham

Large vision-language models (VLMs) are increasingly deployed for optical character recognition (OCR) in healthcare settings, raising critical concerns about protected health information (PHI) exposure during document processing. This work…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Richard J. Young