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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…

We present DeepSeek-OCR 2 to investigate the feasibility of a novel encoder-DeepEncoder V2-capable of dynamically reordering visual tokens upon image semantics. Conventional vision-language models (VLMs) invariably process visual tokens in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Haoran Wei , Yaofeng Sun , Yukun Li

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…

Real-world License Plate Recognition (LPR) faces significant challenges from severe degradations such as motion blur, low resolution, and complex illumination. The prevailing "restoration-then-recognition" two-stage paradigm suffers from a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Haoyan Gong , Hongbin Liu

This technical report introduces PaddleOCR 3.0, an Apache-licensed open-source toolkit for OCR and document parsing. To address the growing demand for document understanding in the era of large language models, PaddleOCR 3.0 presents three…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Cheng Cui , Ting Sun , Manhui Lin , Tingquan Gao , Yubo Zhang , Jiaxuan Liu , Xueqing Wang , Zelun Zhang , Changda Zhou , Hongen Liu , Yue Zhang , Wenyu Lv , Kui Huang , Yichao Zhang , Jing Zhang , Jun Zhang , Yi Liu , Dianhai Yu , Yanjun Ma

Vision-Language Models (VLMs) leverage aligned visual encoders to transform images into visual tokens, allowing them to be processed similarly to text by the backbone large language model (LLM). This unified input paradigm enables VLMs to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Bangzheng Li , Fei Wang , Wenxuan Zhou , Nan Xu , Ben Zhou , Sheng Zhang , Hoifung Poon , Muhao Chen

In recent years, Multi-modal Large Language Models (MLLMs) have achieved strong performance in OCR-centric Visual Question Answering (VQA) tasks, illustrating their capability to process heterogeneous data and exhibit adaptability across…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Chen Duan , Zhentao Guo , Pei Fu , Zining Wang , Kai Zhou , Pengfei Yan

Structure information is critical for understanding the semantics of text-rich images, such as documents, tables, and charts. Existing Multimodal Large Language Models (MLLMs) for Visual Document Understanding are equipped with text…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Anwen Hu , Haiyang Xu , Jiabo Ye , Ming Yan , Liang Zhang , Bo Zhang , Chen Li , Ji Zhang , Qin Jin , Fei Huang , Jingren Zhou

We present a novel OCR-free document understanding framework based on pretrained Multimodal Large Language Models (MLLMs). Our approach employs multi-scale visual features to effectively handle various font sizes within document images. To…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Jaeyoo Park , Jin Young Choi , Jeonghyung Park , Bohyung Han

Optical Character Recognition (OCR) is increasingly regarded as a foundational capability for modern vision-language models (VLMs), enabling them not only to read text in images but also to support downstream reasoning in real-world visual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Longwei Xu , Feng Feng , Shaojie Zhang , Xin Chen , Hang Li , Anan Du , Hailong Yu , Pei Fu , Zhenbo Luo , Jian Luan

Document parsing has recently advanced with multimodal large language models (MLLMs) that directly map document images to structured outputs. Traditional cascaded pipelines depend on precise layout analysis and often fail under casually…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Gengluo Li , Pengyuan Lyu , Chengquan Zhang , Huawen Shen , Liang Wu , Xingyu Wan , Gangyan Zeng , Han Hu , Can Ma , Yu Zhou

Currently, instruction-based image editing methods have made significant progress by leveraging the powerful cross-modal understanding capabilities of vision language models (VLMs). However, they still face challenges in three key areas: 1)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Jun Zhou , Jiahao Li , Zunnan Xu , Hanhui Li , Yiji Cheng , Fa-Ting Hong , Qin Lin , Qinglin Lu , Xiaodan Liang

While Vision-Language Models (VLMs) achieve near-perfect scores on digital document benchmarks like OmniDocBench, their performance in the unpredictable physical world remains largely unknown due to the lack of controlled yet realistic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Changda Zhou , Ziyue Gao , Xueqing Wang , Tingquan Gao , Cheng Cui , Jing Tang , Yi Liu

Converting raster floorplans into engineering-grade vector graphics is challenging due to complex topology and strict geometric constraints. To address this, we present FloorplanVLM, a unified framework that reformulates floorplan…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Yuanqing Liu , Ziming Yang , Yulong Li , Yue Yang

The ability of Large Language Models (LLMs) to generate structured outputs that follow arbitrary schemas is crucial to a wide range of downstream tasks that require diverse structured representations of results such as information…

Computation and Language · Computer Science 2025-11-25 James Y. Huang , Wenxuan Zhou , Nan Xu , Fei Wang , Qin Liu , Sheng Zhang , Hoifung Poon , Muhao Chen

The inherent complexities of Arabic script; its cursive nature, diacritical marks (tashkeel), and varied typography, pose persistent challenges for Optical Character Recognition (OCR). We present Qari-OCR, a series of vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Ahmed Wasfy , Omer Nacar , Abdelakreem Elkhateb , Mahmoud Reda , Omar Elshehy , Adel Ammar , Wadii Boulila

While Vision-Language Models (VLMs) enable high-level semantic reasoning for end-to-end autonomous driving, particularly in unstructured environments, existing off-road datasets suffer from language annotations that are weakly aligned with…

Robotics · Computer Science 2026-04-24 Byounggun Park , Soonmin Hwang

With the rise of multimodal large language models, accurately extracting and understanding textual information from video content, referred to as video based optical character recognition (Video OCR), has become a crucial capability. This…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Yulin Fei , Yuhui Gao , Xingyuan Xian , Xiaojin Zhang , Tao Wu , Wei Chen

Vision-Language (VL) models have garnered considerable research interest; however, they still face challenges in effectively handling text within images. To address this limitation, researchers have developed two approaches. The first…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Jonathan Fhima , Elad Ben Avraham , Oren Nuriel , Yair Kittenplon , Roy Ganz , Aviad Aberdam , Ron Litman

Existing Multimodal Large Language Models (MLLMs) for image forgery detection and localization predominantly operate under a text-centric Chain-of-Thought (CoT) paradigm. However, forcing these models to textually characterize imperceptible…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Youqi Wang , Shen Chen , Haowei Wang , Rongxuan Peng , Taiping Yao , Shunquan Tan , Changsheng Chen , Bin Li , Shouhong Ding