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Large Language Models (LLMs) are becoming crucial across various fields, emphasizing the urgency for high-quality models in underrepresented languages. This study explores the unique challenges faced by low-resource languages, such as data…

计算与语言 · 计算机科学 2024-05-09 Emre Can Acikgoz , Mete Erdogan , Deniz Yuret

Diacritic characters can be considered as a unique set of characters providing us with adequate and significant clue in identifying a given language with considerably high accuracy. Diacritics, though associated with phonetics often serve…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Shubham Vatsal , Nikhil Arora , Gopi Ramena , Sukumar Moharana , Dhruval Jain , Naresh Purre , Rachit S Munjal

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…

计算与语言 · 计算机科学 2021-07-16 Guowei Xu , Wenbiao Ding , Weiping Fu , Zhongqin Wu , Zitao Liu

Retrained large language models (LLMs) have become extensively used across various sub-disciplines of natural language processing (NLP). In NLP, text classification problems have garnered considerable focus, but still faced with some…

计算与语言 · 计算机科学 2023-12-05 Zhiqiang Wang , Yiran Pang , Yanbin Lin

The detection of Protected Health Information (PHI) in medical imaging is critical for safeguarding patient privacy and ensuring compliance with regulatory frameworks. Traditional detection methodologies predominantly utilize Optical…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Tuan Truong , Guillermo Jimenez Perez , Pedro Osorio , Matthias Lenga

Large language models (LLMs) excel in high-resource languages but struggle with low-resource languages (LRLs), particularly those spoken by minority communities in China, such as Tibetan, Uyghur, Kazakh, and Mongolian. To systematically…

计算与语言 · 计算机科学 2025-06-03 Chen Zhang , Mingxu Tao , Zhiyuan Liao , Yansong Feng

The Object Constraint Language (OCL) is a declarative language that adds constraints and object query expressions to MOF models. Despite its potential to provide precision and conciseness to UML models, the unfamiliar syntax of OCL has…

软件工程 · 计算机科学 2023-03-30 Seif Abukhalaf , Mohammad Hamdaqa , Foutse Khomh

LLMs are predominantly trained on English data, which leads to a significant drop in performance on low-resource languages. Understanding how LLMs handle these languages is crucial for improving their effectiveness. This study focuses on…

计算与语言 · 计算机科学 2025-02-04 Taaha Saleem Bajwa

Reading dense text and locating objects within images are fundamental abilities for Large Vision-Language Models (LVLMs) tasked with advanced jobs. Previous LVLMs, including superior proprietary models like GPT-4o, have struggled to excel…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Ya-Qi Yu , Minghui Liao , Jiwen Zhang , Jihao Wu

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…

计算机视觉与模式识别 · 计算机科学 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

There is an immense quantity of historical and cultural documentation that exists only as handwritten manuscripts. At the same time, performing OCR across scripts and different handwriting styles has proven to be an enormously difficult…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Lucian Li

Text is ubiquitous in our visual world, conveying crucial information, such as in documents, websites, and everyday photographs. In this work, we propose UReader, a first exploration of universal OCR-free visually-situated language…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Jiabo Ye , Anwen Hu , Haiyang Xu , Qinghao Ye , Ming Yan , Guohai Xu , Chenliang Li , Junfeng Tian , Qi Qian , Ji Zhang , Qin Jin , Liang He , Xin Alex Lin , Fei Huang

Retrieving accurate details from documents is a crucial task, especially when handling a combination of scanned images and native digital formats. This document presents a combined framework for text extraction that merges Optical Character…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Rasha Sinha , Rekha B S

Recent advances in Large Multimodal Models (LMMs) have revolutionized their reasoning and Optical Character Recognition (OCR) capabilities. However, their complex logical reasoning performance on text-rich images remains underexplored. To…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Maoyuan Ye , Haibin He , Qihuang Zhong , Jing Zhang , Juhua Liu , Bo Du

Page Stream Segmentation (PSS) is an essential prerequisite for automated document processing at scale. However, research progress has been limited by the absence of realistic public benchmarks. This paper works towards addressing this gap…

计算与语言 · 计算机科学 2024-08-23 Hunter Heidenreich , Ratish Dalvi , Rohith Mukku , Nikhil Verma , Neven Pičuljan

Large Language Models (LLMs) like GPT-4 and LLaMA have shown incredible proficiency at natural language processing tasks and have even begun to excel at tasks across other modalities such as vision and audio. Despite their success, LLMs…

计算与语言 · 计算机科学 2024-03-12 Michael Andersland

OCR algorithms have received a significant improvement in performance recently, mainly due to the increase in the capabilities of artificial intelligence algorithms. However, this advancement is not evenly distributed over all languages.…

计算机视觉与模式识别 · 计算机科学 2020-05-15 Atique Ur Rehman , Sibt Ul Hussain

We investigate how to train a high quality optical character recognition (OCR) model for difficult historical typefaces on degraded paper. Through extensive grid searches, we obtain a neural network architecture and a set of optimal data…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Bernhard Liebl , Manuel Burghardt

Khmer is a low-resource language characterized by a complex script, presenting significant challenges for optical character recognition (OCR). While document printed text recognition has advanced because of available datasets, performance…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Marry Kong , Rina Buoy , Sovisal Chenda , Nguonly Taing , Masakazu Iwamura , Koichi Kise

Developing effective scene text detection and recognition models hinges on extensive training data, which can be both laborious and costly to obtain, especially for low-resourced languages. Conventional methods tailored for Latin characters…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Vannkinh Nom , Souhail Bakkali , Muhammad Muzzamil Luqman , Mickaël Coustaty , Jean-Marc Ogier