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Related papers: Improving OCR Accuracy on Early Printed Books by c…

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With the advent of digital optical scanners, a lot of paper-based books, textbooks, magazines, articles, and documents are being transformed into an electronic version that can be manipulated by a computer. For this purpose, OCR, short for…

Computation and Language · Computer Science 2012-04-03 Youssef Bassil , Mohammad Alwani

With the rapid development of OCR technology, mixed-scene text recognition has become a key technical challenge. Although deep learning models have achieved significant results in specific scenarios, their generality and stability still…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Da Chang , Yu Li

Reading text from images or scanned documents via OCR models has been a longstanding focus of researchers. Intuitively, text reading is perceived as a straightforward perceptual task, and existing work primarily focuses on constructing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Yufeng Zhong , Lei Chen , Zhixiong Zeng , Xuanle Zhao , Deyang Jiang , Liming Zheng , Jing Huang , Haibo Qiu , Peng Shi , Siqi Yang , Lin Ma

Optical character recognition (OCR) is crucial for a deeper access to historical collections. OCR needs to account for orthographic variations, typefaces, or language evolution (i.e., new letters, word spellings), as the main source of…

Computation and Language · Computer Science 2021-02-02 Lijun Lyu , Maria Koutraki , Martin Krickl , Besnik Fetahu

The purpose of this study is to explore the performance of Informed OCR or iOCR. iOCR was developed with a spell correction algorithm to fix errors introduced by conventional OCR for vote tabulation. The results found that the iOCR system…

Emerging Technologies · Computer Science 2022-08-02 Kenneth U. Oyibo , Jean D. Louis , Juan E. Gilbert

This paper addresses text recognition for domains with limited manual annotations by a simple self-training strategy. Our approach should reduce human annotation effort when target domain data is plentiful, such as when transcribing a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Martin Kišš , Karel Beneš , Michal Hradiš

Optical character recognition (OCR), a process that converts printed or handwritten text into machine-readable form, is widely used in assistive technology for people with blindness and low vision. Yet most evaluations rely on static…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Junchi Feng , Nikhil Ballem , Mahya Beheshti , Giles Hamilton-Fletcher , Todd Hudson , Maurizio Porfiri , William H. Seiple , John-Ross Rizzo

The pretraining-finetuning paradigm has facilitated numerous transformative advancements in artificial intelligence research in recent years. However, in the domain of reinforcement learning (RL) for robot locomotion, individual skills are…

Robotics · Computer Science 2026-03-10 Jiale Fan , Andrei Cramariuc , Tifanny Portela , Marco Hutter

Optical Character Recognition (OCR) systems have been widely used in various of application scenarios. Designing an OCR system is still a challenging task. In previous work, we proposed a practical ultra lightweight OCR system (PP-OCR) to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yuning Du , Chenxia Li , Ruoyu Guo , Cheng Cui , Weiwei Liu , Jun Zhou , Bin Lu , Yehua Yang , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

Cross-lingual Machine Reading Comprehension (xMRC) is challenging due to the lack of training data in low-resource languages. The recent approaches use training data only in a resource-rich language like English to fine-tune large-scale…

Machine Learning · Computer Science 2021-12-10 Nuo Chen , Linjun Shou , Min Gong , Jian Pei , Daxin Jiang

OCR errors are common in digitised historical archives significantly affecting their usability and value. Generative Language Models (LMs) have shown potential for correcting these errors using the context provided by the corrupted text and…

Computation and Language · Computer Science 2024-10-01 Jonathan Bourne

The pre-training of visual representations has enhanced the efficiency of robot learning. Due to the lack of large-scale in-domain robotic datasets, prior works utilize in-the-wild human videos to pre-train robotic visual representation.…

Robotics · Computer Science 2024-10-31 Guangqi Jiang , Yifei Sun , Tao Huang , Huanyu Li , Yongyuan Liang , Huazhe Xu

While OCR has been used in various applications, its output is not always accurate, leading to misfit words. This research work focuses on improving the optical character recognition (OCR) with ML techniques with integration of OCR with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Abhishek Bamotra , Phani Krishna Uppala

Pre-trained large-scale vision-language models (VLMs) have acquired profound understanding of general visual concepts. Recent advancements in efficient transfer learning (ETL) have shown remarkable success in fine-tuning VLMs within the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Haoxing Chen , Yaohui Li , Zizheng Huang , Yan Hong , Zhuoer Xu , Zhangxuan Gu , Jun Lan , Huijia Zhu , Weiqiang Wang

Predictive Coding (PC) is an influential account of cortical learning. Much of recent work has focused on comparing PC to Backpropagation (BP) to find whether PC offers any advantages. Small scale experiments show that PC enables learning…

Machine Learning · Computer Science 2026-05-13 Gaspard Oliviers , Elene Lominadze , Rafal Bogacz

There is little to no data available to build natural language processing models for most endangered languages. However, textual data in these languages often exists in formats that are not machine-readable, such as paper books and scanned…

Computation and Language · Computer Science 2020-11-12 Shruti Rijhwani , Antonios Anastasopoulos , Graham Neubig

This paper presents our methodology and findings from three tasks across Optical Character Recognition (OCR) and Document Layout Analysis using advanced deep learning techniques. First, for the historical Hebrew fragments of the Dead Sea…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Hylke Westerdijk , Ben Blankenborg , Khondoker Ittehadul Islam

Recently, Vision-Language Pre-training (VLP) techniques have greatly benefited various vision-language tasks by jointly learning visual and textual representations, which intuitively helps in Optical Character Recognition (OCR) tasks due to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Chuhui Xue , Wenqing Zhang , Yu Hao , Shijian Lu , Philip Torr , Song Bai

Optical Character Recognition (OCR) continues to face accuracy challenges that impact subsequent applications. To address these errors, we explore the utility of OCR confidence scores for enhancing post-OCR error detection. Our study…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Arthur Hemmer , Mickaël Coustaty , Nicola Bartolo , Jean-Marc Ogier

Active learning is a popular methodology in text classification - known in the legal domain as "predictive coding" or "Technology Assisted Review" or "TAR" - due to its potential to minimize the required review effort to build effective…

Information Retrieval · Computer Science 2019-06-12 Christian J. Mahoney , Nathaniel Huber-Fliflet , Haozhen Zhao , Jianping Zhang , Peter Gronvall , Shi Ye