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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…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Abhishek Bamotra , Phani Krishna Uppala

In the absence of ground truth it is not possible to automatically determine the exact spectrum and occurrences of OCR errors in an OCR'ed text. Yet, for interactive postcorrection of OCR'ed historical printings it is extremely useful to…

计算机视觉与模式识别 · 计算机科学 2017-01-20 Florian Fink , Klaus-U. Schulz , Uwe Springmann

Sensitivity of deep-neural models to input noise is known to be a challenging problem. In NLP, model performance often deteriorates with naturally occurring noise, such as spelling errors. To mitigate this issue, models may leverage…

计算与语言 · 计算机科学 2021-11-18 Jakub Náplava , Martin Popel , Milan Straka , Jana Straková

This paper discusses how to successfully digitize large-scale historical micro-data by augmenting optical character recognition (OCR) engines with pre- and post-processing methods. Although OCR software has improved dramatically in recent…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Sergio Correia , Stephan Luck

Since the dawn of the computing era, information has been represented digitally so that it can be processed by electronic computers. Paper books and documents were abundant and widely being published at that time; and hence, there was a…

计算与语言 · 计算机科学 2012-04-03 Youssef Bassil , Mohammad Alwani

We aim to investigate the performance of current OCR systems on low resource languages and low resource scripts. We introduce and make publicly available a novel benchmark, OCR4MT, consisting of real and synthetic data, enriched with noise,…

计算与语言 · 计算机科学 2022-03-15 Oana Ignat , Jean Maillard , Vishrav Chaudhary , Francisco Guzmán

Optical character recognition (OCR) and multilingual text understanding remain major failure modes of multimodal large language models (MLLMs), particularly in real-world images containing cluttered layouts, small fonts, blur, occlusion,…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Qinwu Xu , Yifan Jiang , Haoyu Ren

Accurate transcription of handwritten mathematics is crucial for educational AI systems, yet current benchmarks fail to evaluate this capability properly. Most prior studies focus on single-line expressions and rely on lexical metrics such…

计算机与社会 · 计算机科学 2026-05-27 Jin Seong , Wencke Liermann , Minho Kim , Jong-hun Shin , Soojong Lim

Transfer learning has fundamentally changed the landscape of natural language processing (NLP) research. Many existing state-of-the-art models are first pre-trained on a large text corpus and then fine-tuned on downstream tasks. However,…

计算与语言 · 计算机科学 2021-09-10 Haoming Jiang , Pengcheng He , Weizhu Chen , Xiaodong Liu , Jianfeng Gao , Tuo Zhao

Removing noise from scanned pages is a vital step before their submission to the optical character recognition (OCR) system. Most available image denoising methods are supervised where the pairs of noisy/clean pages are required. However,…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Mehrdad J Gangeh , Marcin Plata , Hamid Motahari , Nigel P Duffy

Optical character recognition (OCR) has advanced rapidly with deep learning and multimodal models, yet most methods focus on well-resourced scripts such as Latin and Chinese. Ethnic minority languages remain underexplored due to complex…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Bonan Liu , Zeyu Zhang , Bingbing Meng , Han Wang , Hanshuo Zhang , Chengping Wang , Daji Ergu , Ying Cai

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…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Jie Mei , Aminul Islam , Yajing Wu , Abidalrahman Moh'd , Evangelos E. Milios

With little to no parallel data available for programming languages, unsupervised methods are well-suited to source code translation. However, the majority of unsupervised machine translation approaches rely on back-translation, a method…

软件工程 · 计算机科学 2022-02-17 Baptiste Roziere , Jie M. Zhang , Francois Charton , Mark Harman , Gabriel Synnaeve , Guillaume Lample

Multilingual Neural Machine Translation (NMT) enables one model to serve all translation directions, including ones that are unseen during training, i.e. zero-shot translation. Despite being theoretically attractive, current models often…

计算与语言 · 计算机科学 2022-01-20 Yilin Yang , Akiko Eriguchi , Alexandre Muzio , Prasad Tadepalli , Stefan Lee , Hany Hassan

Recent work achieved remarkable results in training neural machine translation (NMT) systems in a fully unsupervised way, with new and dedicated architectures that rely on monolingual corpora only. In this work, we propose to define…

计算与语言 · 计算机科学 2018-10-31 Benjamin Marie , Atsushi Fujita

Optical Character Recognition (OCR) plays a crucial role in digitizing historical and multilingual documents, yet OCR errors - imperfect extraction of text, including character insertion, deletion, and substitution can significantly impact…

计算与语言 · 计算机科学 2025-09-22 Bhawna Piryani , Jamshid Mozafari , Abdelrahman Abdallah , Antoine Doucet , Adam Jatowt

Billions of public domain documents remain trapped in hard copy or lack an accurate digitization. Modern natural language processing methods cannot be used to index, retrieve, and summarize their texts; conduct computational textual…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Tom Bryan , Jacob Carlson , Abhishek Arora , Melissa Dell

Optical character recognition (OCR) is a fundamental problem in computer vision. Research studies have shown significant progress in classifying printed characters using deep learning-based methods and topologies. Among current algorithms,…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Saman Sarraf

Given the ubiquity of handwritten documents in human transactions, Optical Character Recognition (OCR) of documents have invaluable practical worth. Optical character recognition is a science that enables to translate various types of…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Jamshed Memon , Maira Sami , Rizwan Ahmed Khan

This paper explores the application of synthetic data in the post-OCR domain on multiple fronts by conducting experiments to assess the impact of data volume, augmentation, and synthetic data generation methods on model performance.…

计算与语言 · 计算机科学 2024-08-14 Shuhao Guan , Derek Greene