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Related papers: LOCR: Location-Guided Transformer for Optical Char…

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A crucial component for the scene text based reasoning required for TextVQA and TextCaps datasets involve detecting and recognizing text present in the images using an optical character recognition (OCR) system. The current systems are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Amanpreet Singh , Guan Pang , Mandy Toh , Jing Huang , Wojciech Galuba , Tal Hassner

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

Document layout analysis aims to detect and categorize structural elements (e.g., titles, tables, figures) in scanned or digital documents. Popular methods often rely on high-quality Optical Character Recognition (OCR) to merge visual…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Fuyuan Liu , Dianyu Yu , He Ren , Nayu Liu , Xiaomian Kang , Delai Qiu , Fa Zhang , Genpeng Zhen , Shengping Liu , Jiaen Liang , Wei Huang , Yining Wang , Junnan Zhu

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

Layout is a fundamental component of any graphic design. Creating large varieties of plausible document layouts can be a tedious task, requiring numerous constraints to be satisfied, including local ones relating different semantic elements…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Akshay Gadi Patil , Omri Ben-Eliezer , Or Perel , Hadar Averbuch-Elor

In order to apply Optical Character Recognition (OCR) to historical printings of Latin script fully automatically, we report on our efforts to construct a widely-applicable polyfont recognition model yielding text with a Character Error…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Christian Reul , Christoph Wick , Maximilian Nöth , Andreas Büttner , Maximilian Wehner , Uwe Springmann

Retrieval-Augmented Generation (RAG) has become a popular technique for enhancing the reliability and utility of Large Language Models (LLMs) by grounding responses in external documents. Traditional RAG systems rely on Optical Character…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Alexander Most , Joseph Winjum , Ayan Biswas , Shawn Jones , Nishath Rajiv Ranasinghe , Dan O'Malley , Manish Bhattarai

Recent genomic foundation models largely adopt large language model architectures that treat DNA as a one-dimensional token sequence. However, exhaustive sequential reading is structurally misaligned with sparse and discontinuous genomic…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Hongxin Xiang , Pengsen Ma , Yunkang Cao , Di Yu , Haowen Chen , Xinyu Yang , Xiangxiang Zeng

The accuracy of Optical Character Recognition (OCR) is crucial to the success of subsequent applications used in text analyzing pipeline. Recent models of OCR post-processing significantly improve the quality of OCR-generated text, but are…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Jie Mei , Aminul Islam , Yajing Wu , Abidalrahman Moh'd , Evangelos E. Milios

Optical Character Recognition (OCR) is an established task with the objective of identifying the text present in an image. While many off-the-shelf OCR models exist, they are often trained for either scientific (e.g., formulae) or generic…

Computation and Language · Computer Science 2024-03-26 Nan Zhang , Connor Heaton , Sean Timothy Okonsky , Prasenjit Mitra , Hilal Ezgi Toraman

We present Qianfan-OCR, a 4B-parameter end-to-end vision-language model that unifies document parsing, layout analysis, and document understanding within a single architecture. It performs direct image-to-Markdown conversion and supports…

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

Optical Character Recognition (OCR) is a fundamental task for digitizing information, serving as a critical bridge between visual data and textual understanding. While modern Vision-Language Models (VLM) have achieved high accuracy in this…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Sean Man , Gilad Deutch , Roy Ganz , Roi Ronen , Shahar Tsiper , Shai Mazor , Niv Nayman

A challenge of the computer vision community is to understand the semantics of an image, in order to allow image reconstruction based on existing high-level features or to better analyze (semi-)labelled datasets. Towards addressing this…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Savvas Karatsiolis , Andreas Kamilaris

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

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

Iterating with new and improved OCR solutions enforces decision making when it comes to targeting the right candidates for reprocessing. This especially applies when the underlying data collection is of considerable size and rather diverse…

Computation and Language · Computer Science 2023-06-22 Pit Schneider , Yves Maurer

The Optical Character Recognition (OCR) systems have been widely used in various of application scenarios, such as office automation (OA) systems, factory automations, online educations, map productions etc. However, OCR is still a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Yuning Du , Chenxia Li , Ruoyu Guo , Xiaoting Yin , Weiwei Liu , Jun Zhou , Yifan Bai , Zilin Yu , Yehua Yang , Qingqing Dang , Haoshuang Wang

Despite significant advancements in Large Vision Language Models (LVLMs), a gap remains, particularly regarding their interpretability and how they locate and interpret textual information within images. In this paper, we explore various…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Ingeol Baek , Hwan Chang , Sunghyun Ryu , Hwanhee Lee

In this paper, we present an Optical Character Recognition (OCR) system specifically designed for the accurate recognition and digitization of Greek polytonic texts. By leveraging the combined strengths of convolutional layers for feature…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Perifanos Konstantinos , Goutsos Dionisis