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In this paper, we propose a novel method based on character sequence-to-sequence models to correct documents already processed with Optical Character Recognition (OCR) systems. The main contribution of this paper is a set of strategies to…

Computation and Language · Computer Science 2022-01-26 Juan Ramirez-Orta , Eduardo Xamena , Ana Maguitman , Evangelos Milios , Axel J. Soto

Ordinal Classification (OC) is a widely encountered challenge in Natural Language Processing (NLP), with applications in various domains such as sentiment analysis, rating prediction, and more. Previous approaches to tackle OC have…

Computation and Language · Computer Science 2024-05-21 Siva Rajesh Kasa , Aniket Goel , Karan Gupta , Sumegh Roychowdhury , Anish Bhanushali , Nikhil Pattisapu , Prasanna Srinivasa Murthy

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…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Jamshed Memon , Maira Sami , Rizwan Ahmed Khan

This work presents a framework to classify and evaluate distinct research abstract texts which are focused on the description of processes and their applications. In this context, this paper proposes natural language processing algorithms…

Computation and Language · Computer Science 2021-12-06 Lucas G. O. Lopes , Thales M. A. Vieira , William W. M. Lira

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

An evaluation metric is an absolute necessity for measuring the performance of any system and complexity of any data. In this paper, we have discussed how to determine the level of complexity of code-mixed social media texts that are…

Computation and Language · Computer Science 2017-07-06 Souvick Ghosh , Satanu Ghosh , Dipankar Das

Computer-assisted reading and analysis of text has various applications in the humanities and social sciences. The increasing size of many electronic text archives has the advantage of a more complete analysis but the disadvantage of taking…

Databases · Computer Science 2007-05-23 Steven Keith , Owen Kaser , Daniel Lemire

Existing methods for complexity estimation are typically developed for entire documents. This limitation in scope makes them inapplicable for shorter pieces of text, such as health assessment tools. These typically consist of lists of…

Computation and Language · Computer Science 2024-04-02 Sondre Wold , Petter Mæhlum , Oddbjørn Hove

The focus of our paper is the identification and correction of non-word errors in OCR text. Such errors may be the result of incorrect insertion, deletion, or substitution of a character, or the transposition of two adjacent characters…

Computation and Language · Computer Science 2021-06-24 Junxia Lin , Johannes Ledolter

Linked Data is used in various fields as a new way of structuring and connecting data. Cultural heritage institutions have been using linked data to improve archival descriptions and facilitate the discovery of information. Most archival…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Mariana Dias , Carla Teixeira Lopes

We demonstrate that state-of-the-art optical character recognition (OCR) based on deep learning is vulnerable to adversarial images. Minor modifications to images of printed text, which do not change the meaning of the text to a human…

Machine Learning · Computer Science 2018-02-16 Congzheng Song , Vitaly Shmatikov

Many present day quantum optics experiments, particularly in optical quantum information processing, rely on number-resolving photo-detection as a basic building block. In this paper we demonstrate that a simple classical optimisation…

Quantum Physics · Physics 2011-07-15 Peter P. Rohde

Contrary to popular belief, Optical Character Recognition (OCR) remains a challenging problem when text occurs in unconstrained environments, like natural scenes, due to geometrical distortions, complex backgrounds, and diverse fonts. In…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Marcin Namysl , Iuliu Konya

The most prevalent scope of interest for OCR applications used to be scanned documents, but it has now shifted towards the natural scene. Despite the change of times, the existing evaluation methods are still based on the old criteria…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Hong-Seok Lee , Youngmin Yoon , Pil-Hoon Jang , Chankyu Choi

Text simplification reduces the language complexity of professional content for accessibility purposes. End-to-end neural network models have been widely adopted to directly generate the simplified version of input text, usually functioning…

Computation and Language · Computer Science 2021-07-08 Cristina Garbacea , Mengtian Guo , Samuel Carton , Qiaozhu Mei

In this paper, we evaluate state-of-the-art OCR methods on Egocentric data. We annotate text in EPIC-KITCHENS images, and demonstrate that existing OCR methods struggle with rotated text, which is frequently observed on objects being…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Valentin Popescu , Dima Damen , Toby Perrett

This report explores the latest advances in the field of digital document recognition. With the focus on printed document imagery, we discuss the major developments in optical character recognition (OCR) and document image…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Eugene Borovikov

Detecting manipulations in digital documents is becoming increasingly important for information verification purposes. Due to the proliferation of image editing software, altering key information in documents has become widely accessible.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

Extracting the relevant information out of a large number of documents is a challenging and tedious task. The quality of results generated by the traditionally available full-text search engine and text-based image retrieval systems is not…

Information Retrieval · Computer Science 2022-12-05 Riya Gupta , C. V. Jawahar

Over the past decade, machine learning methods have given us driverless cars, voice recognition, effective web search, and a much better understanding of the human genome. Machine learning is so common today that it is used dozens of times…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Omer Aydin