English
Related papers

Related papers: Scrambled text: training Language Models to correc…

200 papers

Scholars in the humanities rely heavily on ancient manuscripts to study history, religion, and socio-political structures in the past. Many efforts have been devoted to digitizing these precious manuscripts using OCR technology, but most…

Computation and Language · Computer Science 2026-05-19 Queenie Luo , Yung-Sung Chuang

Many real-world applications involve the use of Optical Character Recognition (OCR) engines to transform handwritten images into transcripts on which downstream Natural Language Processing (NLP) models are applied. In this process, OCR…

Computation and Language · Computer Science 2021-07-16 Guowei Xu , Wenbiao Ding , Weiping Fu , Zhongqin Wu , Zitao Liu

In this paper, we demonstrate how a generative model can be used to build a better recognizer through the control of content and style. We are building an online handwriting recognizer from a modest amount of training samples. By training…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Jen-Hao Rick Chang , Martin Bresler , Youssouf Chherawala , Adrien Delaye , Thomas Deselaers , Ryan Dixon , Oncel Tuzel

Generative error correction (GER) with large language models (LLMs) has emerged as an effective post-processing approach to improve automatic speech recognition (ASR) performance. However, it often struggles with rare or domain-specific…

Sound · Computer Science 2025-05-26 Natsuo Yamashita , Masaaki Yamamoto , Hiroaki Kokubo , Yohei Kawaguchi

Recent work targeting large language models (LLMs) for code generation demonstrated that increasing the amount of training data through synthetic code generation often leads to exceptional performance. In this paper we explore data pruning…

Software Engineering · Computer Science 2024-07-09 Yun-Da Tsai , Mingjie Liu , Haoxing Ren

Image generation has shown remarkable results in generating high-fidelity realistic images, in particular with the advancement of diffusion-based models. However, the prevalence of AI-generated images may have side effects for the machine…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Maorong Wang , Nicolas Michel , Jiafeng Mao , Toshihiko Yamasaki

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,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Qinwu Xu , Yifan Jiang , Haoyu Ren

Error correction is an important capability when applying large language models (LLMs) to facilitate user typing on mobile devices. In this paper, we use LLMs to synthesize a high-quality dataset of error correction pairs to evaluate and…

Machine Learning · Computer Science 2025-05-27 Yanxiang Zhang , Zheng Xu , Shanshan Wu , Yuanbo Zhang , Daniel Ramage

Code-switching (CS) speech refers to the phenomenon of mixing two or more languages within the same sentence. Despite the recent advances in automatic speech recognition (ASR), CS-ASR is still a challenging task ought to the grammatical…

Computation and Language · Computer Science 2023-10-23 Chen Chen , Yuchen Hu , Chao-Han Huck Yang , Hexin Liu , Sabato Marco Siniscalchi , Eng Siong Chng

A great deal of historical corpora suffer from errors introduced by the OCR (optical character recognition) methods used in the digitization process. Correcting these errors manually is a time-consuming process and a great part of the…

Computation and Language · Computer Science 2020-07-23 Mika Hämäläinen , Simon Hengchen

Historical corpora are known to contain errors introduced by OCR (optical character recognition) methods used in the digitization process, often said to be degrading the performance of NLP systems. Correcting these errors manually is a…

Computation and Language · Computer Science 2020-11-20 Quan Duong , Mika Hämäläinen , Simon Hengchen

Despite recent advances, standard sequence labeling systems often fail when processing noisy user-generated text or consuming the output of an Optical Character Recognition (OCR) process. In this paper, we improve the noise-aware training…

Computation and Language · Computer Science 2021-05-26 Marcin Namysl , Sven Behnke , Joachim Köhler

Large Language Models (LLM) are increasingly trained on data generated by other LLM, either because generated text and images become part of the pre-training corpus, or because synthetized data is used as a replacement for expensive…

Machine Learning · Computer Science 2024-10-28 Yunzhen Feng , Elvis Dohmatob , Pu Yang , Francois Charton , Julia Kempe

We present the largest publicly available synthetic OCR benchmark dataset for Indic languages. The collection contains a total of 90k images and their ground truth for 23 Indic languages. OCR model validation in Indic languages require a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Naresh Saini , Promodh Pinto , Aravinth Bheemaraj , Deepak Kumar , Dhiraj Daga , Saurabh Yadav , Srihari Nagaraj

Current OCR systems are based on deep learning models trained on large amounts of data. Although they have shown some ability to generalize to unseen data, especially in detection tasks, they can struggle with recognizing low-quality data.…

With the rise of globalisation, code-switching (CSW) has become a ubiquitous part of multilingual conversation, posing new challenges for natural language processing (NLP), especially in Grammatical Error Correction (GEC). This work…

Computation and Language · Computer Science 2024-10-15 Tom Potter , Zheng Yuan

Commercial OCR packages work best with high-quality scanned images. They often produce poor results when the image is degraded, either because the original itself was poor quality, or because of excessive photocopying. The ability to…

Digital Libraries · Computer Science 2007-05-23 Roger T. Hartley , Kathleen Crumpton

While large-scale language models (LLMs) have demonstrated remarkable capabilities in specific natural language processing (NLP) tasks, they may still lack proficiency compared to specialized models in certain domains, such as grammatical…

Computation and Language · Computer Science 2024-12-18 Tao Fang , Derek F. Wong , Lusheng Zhang , Keyan Jin , Qiang Zhang , Tianjiao Li , Jinlong Hou , Lidia S. Chao

Synthetic data has been proposed as a solution to address the issue of high-quality data scarcity in the training of large language models (LLMs). Studies have shown that synthetic data can effectively improve the performance of LLMs on…

Computation and Language · Computer Science 2024-06-19 Jie Chen , Yupeng Zhang , Bingning Wang , Wayne Xin Zhao , Ji-Rong Wen , Weipeng Chen

Grammar Error Correction(GEC) mainly relies on the availability of high quality of large amount of synthetic parallel data of grammatically correct and erroneous sentence pairs. The quality of the synthetic data is evaluated on how well the…

Computation and Language · Computer Science 2022-11-01 Vanya Bannihatti Kumar