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Automatic character generation is an appealing solution for new typeface design, especially for Chinese typefaces including over 3700 most commonly-used characters. This task has two main pain points: (i) handwritten characters are usually…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Chuan Wen , Jie Chang , Ya Zhang , Siheng Chen , Yanfeng Wang , Mei Han , Qi Tian

Multi-stroke characters in scripts such as Chinese and Japanese can be highly complex, posing significant challenges for both native speakers and, especially, non-native learners. If these characters can be simplified without degrading…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Ryo Ishiyama , Shinnosuke Matsuo , Seiichi Uchida

Image restoration is very crucial computer vision task. This paper describes two novel methods for the restoration of old degraded handwritten documents using deep neural network. In addition to that, a small-scale dataset of 26 heritage…

Computer Vision and Pattern Recognition · Computer Science 2020-01-27 Mayank Wadhwani , Debapriya Kundu , Deepayan Chakraborty , Bhabatosh Chanda

There are many difficulties facing a handwritten Arabic recognition system such as unlimited variation in human handwriting, similarities of distinct character shapes, interconnections of neighbouring characters and their position in the…

Computer Vision and Pattern Recognition · Computer Science 2014-02-27 Ahmed Sahlol , Cheng Suen

Automatic Arabic handwritten recognition is one of the recently studied problems in the field of Machine Learning. Unlike Latin languages, Arabic is a Semitic language that forms a harder challenge, especially with variability of patterns…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Mais Alheraki , Rawan Al-Matham , Hend Al-Khalifa

Online Arabic cursive character recognition is still a big challenge due to the existing complexities including Arabic cursive script styles, writing speed, writer mood and so forth. Due to these unavoidable constraints, the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Amjad Rehman

Background elimination for noisy character images or character images from real scene is still a challenging problem, due to the bewildering backgrounds, uneven illumination, low resolution and different distortions. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Zhewei Huang , Wen Heng , Yuanzheng Tao , Shuchang Zhou

The order in which the trajectory is executed is a powerful source of information for recognizers. However, there is still no general approach for recovering the trajectory of complex and long handwriting from static images. Complex…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Moises Diaz , Gioele Crispo , Antonio Parziale , Angelo Marcelli , Miguel A. Ferrer

One of the most significant problems in cuneiform pedagogy is the process of looking up unknown signs, which often involves a tedious page-by-page search through a sign list. This paper proposes a new "recursive encoding" for signs, which…

Computation and Language · Computer Science 2025-04-01 Daniel M. Stelzer

The main source of information regarding ancient Mesopotamian history and culture are clay cuneiform tablets. Despite being an invaluable resource, many tablets are fragmented leading to missing information. Currently these missing parts…

Computation and Language · Computer Science 2022-06-08 Ethan Fetaya , Yonatan Lifshitz , Elad Aaron , Shai Gordin

This paper presents our methodology and findings from three tasks across Optical Character Recognition (OCR) and Document Layout Analysis using advanced deep learning techniques. First, for the historical Hebrew fragments of the Dead Sea…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Hylke Westerdijk , Ben Blankenborg , Khondoker Ittehadul Islam

Human-like planning skills and dexterous manipulation have long posed challenges in the fields of robotics and artificial intelligence (AI). The task of reinterpreting calligraphy presents a formidable challenge, as it involves the…

Robotics · Computer Science 2024-05-28 Yuxuan Luo , Zekun Wu , Zhouhui Lian

Stroke order and velocity are helpful features in the fields of signature verification, handwriting recognition, and handwriting synthesis. Recovering these features from offline handwritten text is a challenging and well-studied problem.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Taylor Archibald , Mason Poggemann , Aaron Chan , Tony Martinez

Ancient history relies on disciplines such as epigraphy, the study of ancient inscribed texts, for evidence of the recorded past. However, these texts, "inscriptions", are often damaged over the centuries, and illegible parts of the text…

Computation and Language · Computer Science 2019-10-15 Yannis Assael , Thea Sommerschield , Jonathan Prag

In this paper, we develop machine learning techniques to identify unknown printers in early modern (c.~1500--1800) English printed books. Specifically, we focus on matching uniquely damaged character type-imprints in anonymously printed…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Nikolai Vogler , Kartik Goyal , Kishore PV Reddy , Elizaveta Pertseva , Samuel V. Lemley , Christopher N. Warren , Max G'Sell , Taylor Berg-Kirkpatrick

It is a common phenomenon in day to day life; where in some of the document gets damaged. Out of several reasons, the main reason for documents getting damaged is shredding by hands. Recovery of such documents is essential. Manual recovery…

Computer Vision and Pattern Recognition · Computer Science 2015-03-10 Waheeda Dhokley , Khan Munifa , Shaikh Nazia , Shaikh Saiqua

We study the task of cleaning scanned text documents that are strongly corrupted by dirt such as manual line strokes, spilled ink etc. We aim at autonomously removing dirt from a single letter-size page based only on the information the…

Computer Vision and Pattern Recognition · Computer Science 2014-10-21 Zhenwen Dai , Jörg Lücke

There is a large collection of Handwritten English paper documents of Historical and Scientific importance. But paper documents are not recognized directly by computer. Hence the closest way of indexing these documents is by storing their…

Computer Vision and Pattern Recognition · Computer Science 2013-10-24 Sayantan Sarkar

This paper introduces PreP-OCR, a two-stage pipeline that combines document image restoration with semantic-aware post-OCR correction to enhance both visual clarity and textual consistency, thereby improving text extraction from degraded…

Computation and Language · Computer Science 2025-11-19 Shuhao Guan , Moule Lin , Cheng Xu , Xinyi Liu , Jinman Zhao , Jiexin Fan , Qi Xu , Derek Greene

This article presents an experiment in fine-tuning a pretrained causal language model (Meta's Llama 3.1 8B Instruct) to assist with restoring missing or illegible characters in ancient Greek inscriptions and documentary papyri. Utilizing a…

Computation and Language · Computer Science 2024-11-19 Eric Cullhed
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