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Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Krzysztof Olejniczak , Milan Šulc

This paper introduces Fetch-A-Set (FAS), a comprehensive benchmark tailored for legislative historical document analysis systems, addressing the challenges of large-scale document retrieval in historical contexts. The benchmark comprises a…

Information Retrieval · Computer Science 2024-06-18 Adrià Molina , Oriol Ramos Terrades , Josep Lladós

Out-of-Time Ordered Correlators (OTOCs) are widely used to investigate information scrambling in quantum systems. However, directly computing OTOCs with classical computers is an expensive procedure. This is due to the need to classically…

Quantum Physics · Physics 2025-04-03 John Tanner , Jason Pye , Jingbo Wang

State machines are popular models to model and visualize discrete systems such as software systems, and to represent regular grammars. Most algorithms that passively learn state machines from data assume all the data to be available from…

Formal Languages and Automata Theory · Computer Science 2022-07-05 Robert Baumgartner , Sicco Verwer

This article presents research conducted at the Institute of the Estonian Language between 2022 and 2025 on the application of large language models (LLMs) to the study of 17th and 18th century Estonian dictionaries. The authors address…

Computation and Language · Computer Science 2025-10-10 Madis Jürviste , Joonatan Jakobson

Continual relation extraction is an important task that focuses on extracting new facts incrementally from unstructured text. Given the sequential arrival order of the relations, this task is prone to two serious challenges, namely…

Computation and Language · Computer Science 2021-01-11 Tongtong Wu , Xuekai Li , Yuan-Fang Li , Reza Haffari , Guilin Qi , Yujin Zhu , Guoqiang Xu

Research is a tertiary priority in the EHR, where the priorities are patient care and billing. Because of this, the data is not standardized or formatted in a manner easily adapted to machine learning approaches. Data may be missing for a…

Machine Learning · Computer Science 2017-07-25 Brett K. Beaulieu-Jones

Historical documents represent an invaluable cultural heritage, yet have undergone significant degradation over time through tears, water erosion, and oxidation. Existing Historical Document Restoration (HDR) methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Yuyi Zhang , Peirong Zhang , Zhenhua Yang , Pengyu Yan , Yongxin Shi , Pengwei Liu , Fengjun Guo , Lianwen Jin

Recognition of ancient Tamil characters has always been a challenge for epigraphers. This is primarily because the language has evolved over the several centuries and the character set over this time has both expanded and diversified. This…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Lalitha Giridhar , Aishwarya Dharani and , Velmathi Guruviah

The project comes with the technique of OCR (Optical Character Recognition) which includes various research sides of computer science. The project is to take a picture of a character and process it up to recognize the image of that…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Arkaprabha Basu , M. Sathya

Getting a robust time-series clustering with best choice of distance measure and appropriate representation is always a challenge. We propose a novel mechanism to identify the clusters combining learned compact representation of…

Machine Learning · Computer Science 2021-01-12 Soma Bandyopadhyay , Anish Datta , Arpan Pal

Precise homography estimation between multiple images is a pre-requisite for many computer vision applications. One application that is particularly relevant in today's digital era is the alignment of scanned or camera-captured document…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Kushagra Mahajan , Monika Sharma , Lovekesh Vig

Neural networks have become the technique of choice for OCR, but many aspects of how and why they deliver superior performance are still unknown. One key difference between current neural network techniques using LSTMs and the previous…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Ekraam Sabir , Stephen Rawls , Prem Natarajan

As far as Scene Graph Generation (SGG), coarse and fine predicates mix in the dataset due to the crowd-sourced labeling, and the long-tail problem is also pronounced. Given this tricky situation, many existing SGG methods treat the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Youming Deng , Yansheng Li , Yongjun Zhang , Xiang Xiang , Jian Wang , Jingdong Chen , Jiayi Ma

Accurately dating historical texts is essential for organizing and interpreting cultural heritage collections. This article addresses temporal text classification using interpretable, feature-engineered tree-based machine learning models.…

Computation and Language · Computer Science 2025-12-01 Paulo J. N. Pinto , Armando J. Pinho , Diogo Pratas

Recognition of document images have important applications in restoring old and classical texts. The problem involves quality improvement before passing it to a properly trained OCR to get accurate recognition of the text. The image…

Computer Vision and Pattern Recognition · Computer Science 2017-02-01 Ram Krishna Pandey , A G Ramakrishnan

Large Language Models (LLMs) have demonstrated immense potential in artificial intelligence across various domains, including healthcare. However, their efficacy is hindered by the need for high-quality labeled data, which is often…

Computation and Language · Computer Science 2024-05-24 P. Barai , G. Leroy , P. Bisht , J. M. Rothman , S. Lee , J. Andrews , S. A. Rice , A. Ahmed

The amount of data available in the world is growing faster than our ability to deal with it. However, if we take advantage of the internal \emph{structure}, data may become much smaller for machine learning purposes. In this paper we focus…

Machine Learning · Computer Science 2016-11-07 Zeyuan Allen-Zhu , Yang Yuan , Karthik Sridharan

Text classification algorithms investigate the intricate relationships between words or phrases and attempt to deduce the document's interpretation. In the last few years, these algorithms have progressed tremendously. Transformer…

Computation and Language · Computer Science 2022-06-28 Snehal Khandve , Vedangi Wagh , Apurva Wani , Isha Joshi , Raviraj Joshi

Historical maps contain detailed geographic information difficult to find elsewhere covering long-periods of time (e.g., 125 years for the historical topographic maps in the US). However, these maps typically exist as scanned images without…

Artificial Intelligence · Computer Science 2021-12-06 Zekun Li , Yao-Yi Chiang , Sasan Tavakkol , Basel Shbita , Johannes H. Uhl , Stefan Leyk , Craig A. Knoblock