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Handwritten text recognition has been widely studied in the last decades for its numerous applications. Nowadays, the state-of-the-art approach consists in a three-step process. The document is segmented into text lines, which are then…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Denis Coquenet

Most of the literature around text classification treats it as a supervised learning problem: given a corpus of labeled documents, train a classifier such that it can accurately predict the classes of unseen documents. In industry, however,…

Computation and Language · Computer Science 2018-04-09 Katherine Bailey , Sunny Chopra

Handwritten character recognition (HCR) is a challenging problem for machine learning researchers. Unlike printed text data, handwritten character datasets have more variation due to human-introduced bias. With numerous unique character…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Boris Kriuk , Fedor Kriuk

We present a generative document-specific approach to character analysis and recognition in text lines. Our main idea is to build on unsupervised multi-object segmentation methods and in particular those that reconstruct images based on a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Ioannis Siglidis , Nicolas Gonthier , Julien Gaubil , Tom Monnier , Mathieu Aubry

Humans are capable of learning new concepts from small numbers of examples. In contrast, supervised deep learning models usually lack the ability to extract reliable predictive rules from limited data scenarios when attempting to classify…

Machine Learning · Computer Science 2020-07-17 Zhongjie Yu , Sebastian Raschka

Low resource Handwritten Text Recognition (HTR) is a hard problem due to the scarce annotated data and the very limited linguistic information (dictionaries and language models). For example, in the case of historical ciphered manuscripts,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Mohamed Ali Souibgui , Ali Furkan Biten , Sounak Dey , Alicia Fornés , Yousri Kessentini , Lluis Gomez , Dimosthenis Karatzas , Josep Lladós

We propose a few-shot learning method for unsupervised feature selection, which is a task to select a subset of relevant features in unlabeled data. Existing methods usually require many instances for feature selection. However, sufficient…

Machine Learning · Computer Science 2021-07-05 Atsutoshi Kumagai , Tomoharu Iwata , Yasuhiro Fujiwara

Layout analysis is a task of uttermost importance in ancient handwritten document analysis and represents a fundamental step toward the simplification of subsequent tasks such as optical character recognition and automatic transcription.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Axel De Nardin , Silvia Zottin , Matteo Paier , Gian Luca Foresti , Emanuela Colombi , Claudio Piciarelli

Handwritten document-image binarization is a semantic segmentation process to differentiate ink pixels from background pixels. It is one of the essential steps towards character recognition, writer identification, and script-style evolution…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Maruf A. Dhali , Jan Willem de Wit , Lambert Schomaker

Few-shot classification consists of a training phase where a model is learned on a relatively large dataset and an adaptation phase where the learned model is adapted to previously-unseen tasks with limited labeled samples. In this paper,…

Machine Learning · Computer Science 2023-06-02 Xu Luo , Hao Wu , Ji Zhang , Lianli Gao , Jing Xu , Jingkuan Song

The analysis of historical documents is still a topical issue given the importance of information that can be extracted and also the importance given by the institutions to preserve their heritage. The main idea in order to characterize the…

Computer Vision and Pattern Recognition · Computer Science 2013-08-30 Nizar Zaghden , Remy Mullot , Mohamed Adel Alimi

This paper describes the method to recognize offline handwritten characters. A robust algorithm for handwriting segmentation is described here with the help of which individual characters can be segmented from a selected word from a…

Computer Vision and Pattern Recognition · Computer Science 2015-07-21 Jayati Ghosh Dastidar , Surabhi Sarkar , Rick Punyadyuti Sinha , Kasturi Basu

Text line segmentation is a critical step in handwritten document image analysis. Segmenting text lines in historical handwritten documents, however, presents unique challenges due to irregular handwriting, faded ink, and complex layouts…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Silvia Zottin , Axel De Nardin , Giuseppe Branca , Claudio Piciarelli , Gian Luca Foresti

Handwritten text recognition is challenging because of the virtually infinite ways a human can write the same message. Our fully convolutional handwriting model takes in a handwriting sample of unknown length and outputs an arbitrary stream…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Felipe Petroski Such , Dheeraj Peri , Frank Brockler , Paul Hutkowski , Raymond Ptucha

We propose a new method for fine-grained few-shot recognition via deep object parsing. In our framework, an object is made up of K distinct parts and for each part, we learn a dictionary of templates, which is shared across all instances…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Ruizhao Zhu , Pengkai Zhu , Samarth Mishra , Venkatesh Saligrama

This paper provides a framework to hash images containing instances of unknown object classes. In many object recognition problems, we might have access to huge amount of data. It may so happen that even this huge data doesn't cover the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-11 Shubham Pachori , Shanmuganathan Raman

Generating synthetic images of handwritten text in a writer-specific style is a challenging task, especially in the case of unseen styles and new words, and even more when these latter contain characters that are rarely encountered during…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Vittorio Pippi , Silvia Cascianelli , Rita Cucchiara

In this paper, we explore the intersection of technology and cultural preservation by developing a self-supervised learning framework for the classification of musical symbols in historical manuscripts. Optical Music Recognition (OMR) plays…

Information Retrieval · Computer Science 2024-11-26 Elona Shatri , Daniel Raymond , George Fazekas

We present an object detection based approach to localize handwritten regions from documents, which initially aims to enhance the anonymization during the data transmission. The concatenated fusion of original and preprocessed images…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuli Wu , Yucheng Hu , Suting Miao

A foundational task for the digital analysis of documents is text line segmentation. However, automating this process with deep learning models is challenging because it requires large, annotated datasets that are often unavailable for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Rafael Sterzinger , Tingyu Lin , Robert Sablatnig