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Handwritten Text Recognition (HTR) has become an essential field within pattern recognition and machine learning, with applications spanning historical document preservation to modern data entry and accessibility solutions. The complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Carlos Garrido-Munoz , Antonio Rios-Vila , Jorge Calvo-Zaragoza

Semantic segmentation is the task of classifying each pixel in an image. Training a segmentation model achieves best results using annotated images, where each pixel is annotated with the corresponding class. When obtaining fine annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jort de Jong , Mike Holenderski

This paper presents a novel approach towards Indic handwritten word recognition using zone-wise information. Because of complex nature due to compound characters, modifiers, overlapping and touching, etc., character segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Partha Pratim Roy , Ayan Kumar Bhunia , Ayan Das , Prasenjit Dey , Umapada Pal

Large vision and language models learned directly through image-text associations often lack detailed visual substantiation, whereas image segmentation tasks are treated separately from recognition, supervisedly learned without…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Tsung-Wei Ke , Sangwoo Mo , Stella X. Yu

Pixel-wise segmentation is one of the most data and annotation hungry tasks in our field. Providing representative and accurate annotations is often mission-critical especially for challenging medical applications. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Simon Reiß , Constantin Seibold , Alexander Freytag , Erik Rodner , Rainer Stiefelhagen

Image segmentation is the task of associating pixels in an image with their respective object class labels. It has a wide range of applications in many industries including healthcare, transportation, robotics, fashion, home improvement,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Yuanbo Wang , Unaiza Ahsan , Hanyan Li , Matthew Hagen

Handwriting Recognition enables a person to scribble something on a piece of paper and then convert it into text. If we look into the practical reality there are enumerable styles in which a character may be written. These styles can be…

Computer Vision and Pattern Recognition · Computer Science 2010-04-20 Rahul Kala , Harsh Vazirani , Anupam Shukla , Ritu Tiwari

Segmentation, a useful/powerful technique in pattern recognition, is the process of identifying object outlines within images. There are a number of efficient algorithms for segmentation in Euclidean space that depend on the variational…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Xiaohao Cai , Christopher G. R. Wallis , Jennifer Y. H. Chan , Jason D. McEwen

Historical handwritten documents guard an important part of human knowledge only within reach of a few scholars and experts. Recent developments in machine learning and handwriting research have the potential of rendering this information…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Hans J. G. A. Dolfing

This paper introduces a new approach to extract and analyze vector data from technical drawings in PDF format. Our method involves converting PDF files into SVG format and creating a feature-rich graph representation, which captures the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Andrea Carrara , Stavros Nousias , André Borrmann

The massive amounts of digitized historical documents acquired over the last decades naturally lend themselves to automatic processing and exploration. Research work seeking to automatically process facsimiles and extract information…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Raphaël Barman , Maud Ehrmann , Simon Clematide , Sofia Ares Oliveira , Frédéric Kaplan

Image segmentation is a fundamental task in computer vision aimed at delineating object boundaries within images. Traditional approaches, such as edge detection and variational methods, have been widely explored, while recent advances in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Junchao Zhou

Document semantic segmentation is a promising avenue that can facilitate document analysis tasks, including optical character recognition (OCR), form classification, and document editing. Although several synthetic datasets have been…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Taylor Archibald , Tony Martinez

In any multi-script environment, handwritten script classification is of paramount importance before the document images are fed to their respective Optical Character Recognition (OCR) engines. Over the years, this complex pattern…

Neural and Evolutionary Computing · Computer Science 2020-05-12 Ritam Guha , Manosij Ghosh , Pawan Kumar Singh , Ram Sarkar , Mita Nasipuri

In this work, we propose to resolve the issue existing in current deep learning based organ segmentation systems that they often produce results that do not capture the overall shape of the target organ and often lack smoothness. Since…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Yuan Xue , Hui Tang , Zhi Qiao , Guanzhong Gong , Yong Yin , Zhen Qian , Chao Huang , Wei Fan , Xiaolei Huang

Unconstrained handwriting recognition is an essential task in document analysis. It is usually carried out in two steps. First, the document is segmented into text lines. Second, an Optical Character Recognition model is applied on these…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Denis Coquenet , Clément Chatelain , Thierry Paquet

Segmenting handwritten document images into regions with homogeneous patterns is an important pre-processing step for many document images analysis tasks. Hand-labeling data to train a deep learning model for layout analysis requires…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Ahmad Droby , Berat Kurar Barakat , Borak Madi , Reem Alaasam , Jihad El-Sana

Subtle hand differences make sign language recognition challenging, yet many existing methods rely on encoders pretrained on generic action datasets that poorly capture such fine-grained cues. We propose a self-supervised pretraining method…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Kunyuan Xie , Zhixi Cai , Kalin Stefanov

We present an unsupervised deep learning method for text line segmentation that is inspired by the relative variance between text lines and spaces among text lines. Handwritten text line segmentation is important for the efficiency of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Berat Kurar Barakat , Ahmad Droby , Rym Alasam , Boraq Madi , Irina Rabaev , Raed Shammes , Jihad El-Sana

When a reader encounters a word in English, they split the word into smaller orthographic units in the process of recognizing its meaning. For example, "rough", when split according to phonemes, is decomposed as r-ou-gh (not as r-o-ugh or…

Human-Computer Interaction · Computer Science 2025-08-26 Matthew Termuende , Kevin Larson , Miguel Nacenta