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200 papers

Text recognition in the wild is a long-standing problem in computer vision. Driven by end-to-end deep learning, recent studies suggest vision and language processing are effective for scene text recognition. Yet, solving edit errors such as…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Wenwen Yu , Mingyu Liu , Biao Yang , Enming Zhang , Deqiang Jiang , Xing Sun , Yuliang Liu , Xiang Bai

Optical Character Recognition (OCR) is the process of extracting digitized text from images of scanned documents. While OCR systems have already matured in many languages, they still have shortcomings in cursive languages with overlapping…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Hussein Osman , Karim Zaghw , Mostafa Hazem , Seifeldin Elsehely

Document comparison typically relies on optical character recognition (OCR) as its core technology. However, OCR requires the selection of appropriate language models for each document and the performance of multilingual or hybrid models…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Doyoung Park , Naresh Reddy Yarram , Sunjin Kim , Minkyu Kim , Seongho Cho , Taehee Lee

In this paper, we propose a novel method based on character sequence-to-sequence models to correct documents already processed with Optical Character Recognition (OCR) systems. The main contribution of this paper is a set of strategies to…

Computation and Language · Computer Science 2022-01-26 Juan Ramirez-Orta , Eduardo Xamena , Ana Maguitman , Evangelos Milios , Axel J. Soto

Optical character recognition (OCR) technology has been widely used in various scenes, as shown in Figure 1. Designing a practical OCR system is still a meaningful but challenging task. In previous work, considering the efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Chenxia Li , Weiwei Liu , Ruoyu Guo , Xiaoting Yin , Kaitao Jiang , Yongkun Du , Yuning Du , Lingfeng Zhu , Baohua Lai , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

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

Text recognition in natural images remains a challenging yet essential task, with broad applications spanning computer vision and natural language processing. This paper introduces a novel end-to-end framework that combines ResNet and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Naphat Nithisopa , Teerapong Panboonyuen

Large models have recently played a dominant role in natural language processing and multimodal vision-language learning. However, their effectiveness in text-related visual tasks remains relatively unexplored. In this paper, we conducted a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yuliang Liu , Zhang Li , Mingxin Huang , Biao Yang , Wenwen Yu , Chunyuan Li , Xucheng Yin , Cheng-lin Liu , Lianwen Jin , Xiang Bai

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

Addressing the challenges of fragmented task definitions and the heterogeneity of unstructured data in multimodal parsing, this paper proposes the Omni Parsing framework. This framework establishes a Unified Taxonomy covering documents,…

Recent work has shown that by approximating the behaviour of a non-differentiable black-box function using a neural network, the black-box can be integrated into a differentiable training pipeline for end-to-end training. This methodology…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Ganesh Tata , Katyani Singh , Eric Van Oeveren , Nilanjan Ray

This paper presents a novel training-free framework for open-vocabulary image segmentation and object recognition (OVSR), which leverages EfficientNetB0, a convolutional neural network, for unsupervised segmentation and CLIP, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Ying Dai , Wei Yu Chen

Industrial Retrieval-Augmented Generation (RAG) systems depend on optical character recognition (OCR) to transform visual documents into text. Existing OCR benchmarks rely on character-level metrics, which inadequately measure downstream…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Lin Sun , Wang Dexian , Jingang Huang , Linglin Zhang , Change Jia , Zhengwei Cheng , Xiangzheng Zhang

This paper discusses the challenges of optical character recognition (OCR) on natural scenes, which is harder than OCR on documents due to the wild content and various image backgrounds. We propose to uniformly use word error rates (WER) as…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Mei-Yuh Hwang , Yangyang Shi , Ankit Ramchandani , Guan Pang , Praveen Krishnan , Lucas Kabela , Frank Seide , Samyak Datta , Jun Liu

We introduce $\textbf{Ovis-Image}$, a 7B text-to-image model specifically optimized for high-quality text rendering, designed to operate efficiently under stringent computational constraints. Built upon our previous Ovis-U1 framework,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Guo-Hua Wang , Liangfu Cao , Tianyu Cui , Minghao Fu , Xiaohao Chen , Pengxin Zhan , Jianshan Zhao , Lan Li , Bowen Fu , Jiaqi Liu , Qing-Guo Chen

Large Multimodal Models (LMMs) have demonstrated impressive performance in recognizing document images with natural language instructions. However, it remains unclear to what extent capabilities in literacy with rich structure and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Zhibo Yang , Jun Tang , Zhaohai Li , Pengfei Wang , Jianqiang Wan , Humen Zhong , Xuejing Liu , Mingkun Yang , Peng Wang , Shuai Bai , LianWen Jin , Junyang Lin

We present DeepSeek-OCR as an initial investigation into the feasibility of compressing long contexts via optical 2D mapping. DeepSeek-OCR consists of two components: DeepEncoder and DeepSeek3B-MoE-A570M as the decoder. Specifically,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Haoran Wei , Yaofeng Sun , Yukun Li

This paper presents a complete Optical Character Recognition (OCR) system for camera captured image/graphics embedded textual documents for handheld devices. At first, text regions are extracted and skew corrected. Then, these regions are…

Computer Vision and Pattern Recognition · Computer Science 2011-09-16 Ayatullah Faruk Mollah , Nabamita Majumder , Subhadip Basu , Mita Nasipuri

Text recognition is a long-standing research problem for document digitalization. Existing approaches are usually built based on CNN for image understanding and RNN for char-level text generation. In addition, another language model is…

Computation and Language · Computer Science 2022-09-07 Minghao Li , Tengchao Lv , Jingye Chen , Lei Cui , Yijuan Lu , Dinei Florencio , Cha Zhang , Zhoujun Li , Furu Wei

The advent of multimodal learning has brought a significant improvement in document AI. Documents are now treated as multimodal entities, incorporating both textual and visual information for downstream analysis. However, works in this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Nikitha SR , Tarun Ram Menta , Mausoom Sarkar