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In this paper we study the recognition of handwritten characters from data captured by a novel wearable electro-textile sensor panel. The data is collected sequentially, such that we record both the stroke order and the resulting bitmap. We…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Leevi Raivio , Han He , Johanna Virkki , Heikki Huttunen

Scene text detection has been made great progress in recent years. The detection manners are evolving from axis-aligned rectangle to rotated rectangle and further to quadrangle. However, current datasets contain very little curve text,…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Liu Yuliang , Jin Lianwen , Zhang Shuaitao , Zhang Sheng

Arabic text recognition is a challenging task because of the cursive nature of Arabic writing system, its joint writing scheme, the large number of ligatures and many other challenges. Deep Learning DL models achieved significant progress…

计算机视觉与模式识别 · 计算机科学 2020-09-07 Mohammad Fasha , Bassam Hammo , Nadim Obeid , Jabir Widian

Recent studies have explored the use of Large Language Models (LLMs) with Retrieval Augmented Generation (RAG) for Knowledge Graph Question Answering (KGQA). They typically require rewriting retrieved subgraphs into natural language formats…

计算与语言 · 计算机科学 2025-11-21 Yike Wu , Yi Huang , Nan Hu , Yuncheng Hua , Guilin Qi , Jiaoyan Chen , Jeff Z. Pan

This paper introduces an enormous dataset, HaGRID (HAnd Gesture Recognition Image Dataset), to build a hand gesture recognition (HGR) system concentrating on interaction with devices to manage them. That is why all 18 chosen gestures are…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Alexander Kapitanov , Karina Kvanchiani , Alexander Nagaev , Roman Kraynov , Andrei Makhliarchuk

Question-answering handwritten documents is a challenging task with numerous real-world applications. This paper proposes a novel recognition-based approach that improves upon the previous state-of-the-art on the HW-SQuAD and BenthamQA…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Aniket Pal , Ajoy Mondal , C. V. Jawahar

Script identification plays a vital role in applications that involve handwriting and document analysis within a multi-script and multi-lingual environment. Moreover, it exhibits a profound connection with human cognition. This paper…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Miguel A. Ferrer , Abhijit Das , Moises Diaz , Aythami Morales , Cristina Carmona-Duarte , Umapada Pal

The rapid evolution of deep learning (DL) models and the ever-increasing size of available datasets have raised the interest of the research community in the always-important field of visual hand gesture recognition (VHGR), and delivered a…

Although online handwriting verification has made great progress recently, the verification performances are still far behind the real usage owing to the small scale of the datasets as well as the limited biometric mediums. Therefore, this…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Peirong Zhang , Jiajia Jiang , Yuliang Liu , Lianwen Jin

Optical character recognition (OCR) is a vital process that involves the extraction of handwritten or printed text from scanned or printed images, converting it into a format that can be understood and processed by machines. This enables…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Mahmoud SalahEldin Kasem , Mohamed Mahmoud , Hyun-Soo Kang

Segmentation of handwritten document images into text lines and words is one of the most significant and challenging tasks in the development of a complete Optical Character Recognition (OCR) system. This paper addresses the automatic…

计算机视觉与模式识别 · 计算机科学 2020-09-18 Pawan Kumar Singh , Shubham Sinha , Sagnik Pal Chowdhury , Ram Sarkar , Mita Nasipuri

Over the last decades, most approaches proposed for handwritten digit string recognition (HDSR) have resorted to digit segmentation, which is dominated by heuristics, thereby imposing substantial constraints on the final performance. Few of…

计算机视觉与模式识别 · 计算机科学 2020-11-02 Andre G. Hochuli , Alceu S. Britto , David A. Saji , Jose M. Saavedra , Robert Sabourin , Luiz S. Oliveira

State-of-the-art handwritten text recognition (HTR) systems commonly use Transformers, whose growing key-value (KV) cache makes decoding slow and memory-intensive. We introduce DRetHTR, a decoder-only model built on Retentive Networks…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Changhun Kim , Martin Mayr , Thomas Gorges , Fei Wu , Mathias Seuret , Andreas Maier , Vincent Christlein

Handwritten character recognition is a hot topic for research nowadays. If we can convert a handwritten piece of paper into a text-searchable document using the Optical Character Recognition (OCR) technique, we can easily understand the…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Md Tanvir Rouf Shawon , Raihan Tanvir , Md. Golam Rabiul Alam

Optical Character Recognition (OCR) for low-resource languages remains a significant challenge due to the scarcity of large-scale annotated training datasets. Languages such as Kashmiri, with approximately 7 million speakers and a complex…

计算与语言 · 计算机科学 2026-01-23 Haq Nawaz Malik , Kh Mohmad Shafi , Tanveer Ahmad Reshi

Bangla Handwritten Digit recognition is a significant step forward in the development of Bangla OCR. However, intricate shape, structural likeness and distinctive composition style of Bangla digits makes it relatively challenging to…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Md. Ferdous Wahid , Md. Fahim Shahriar , Md. Shohanur Islam Sobuj

The Digital Corpus of Sanskrit records around 650,000 sentences along with their morphological and lexical tagging. But inconsistencies in morphological analysis, and in providing crucial information like the segmented word, urges the need…

计算与语言 · 计算机科学 2020-05-15 Sriram Krishnan , Amba Kulkarni , Gérard Huet

Tablets and styluses are increasingly popular for taking notes. To optimize this experience and ensure a smooth and efficient workflow, it's important to develop methods for accurately interpreting and understanding the content of…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Anastasiia Fadeeva , Vincent Coriou , Diego Antognini , Claudiu Musat , Andrii Maksai

Handwritten text recognition for historical documents is an important task but it remains difficult due to a lack of sufficient training data in combination with a large variability of writing styles and degradation of historical documents.…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Christian M. Dahl , Torben S. D. Johansen , Emil N. Sørensen , Christian E. Westermann , Simon F. Wittrock

Understanding the meaning of text in images of natural scenes like highway signs or store front emblems is particularly challenging if the text is foreshortened in the image or the letters are artistically distorted. We introduce a…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Qitong Wang , Yi Zheng , Margrit Betke