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In recent years, long short-term memory neural networks (LSTMs) have been applied quite successfully to problems in handwritten text recognition. However, their strength is more located in handling sequences of variable length than in…

计算与语言 · 计算机科学 2021-02-03 Mahya Ameryan , Lambert Schomaker

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…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Hylke Westerdijk , Ben Blankenborg , Khondoker Ittehadul Islam

Owing to the rapid growth of touchscreen mobile terminals and pen-based interfaces, handwriting-based writer identification systems are attracting increasing attention for personal authentication, digital forensics, and other applications.…

计算机视觉与模式识别 · 计算机科学 2015-12-23 Weixin Yang , Lianwen Jin , Manfei Liu

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…

计算与语言 · 计算机科学 2021-02-02 Lijun Lyu , Maria Koutraki , Martin Krickl , Besnik Fetahu

There are more than 80,000 character categories in Chinese while most of them are rarely used. To build a high performance handwritten Chinese character recognition (HCCR) system supporting the full character set with a traditional…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Dongnan Gui , Kai Chen , Haisong Ding , Qiang Huo

A novel, generic scheme for off-line handwritten English alphabets character images is proposed. The advantage of the technique is that it can be applied in a generic manner to different applications and is expected to perform better in…

计算机视觉与模式识别 · 计算机科学 2010-07-01 Sandhya Arora , Latesh Malik , Debotosh Bhattacharjee , Mita Nasipuri

The current paper is a study in Recurrent Neural Networks (RNN), motivated by the lack of examples simple enough so that they can be thoroughly understood theoretically, but complex enough to be realistic. We constructed an example of…

机器学习 · 统计学 2019-11-26 Marek Rychlik

Purpose. Handwriting is one of the most frequently occurring patterns in everyday life and with it come challenging applications such as handwriting recognition (HWR), writer identification, and signature verification. In contrast to…

机器学习 · 计算机科学 2024-10-08 Felix Ott , David Rügamer , Lucas Heublein , Tim Hamann , Jens Barth , Bernd Bischl , Christopher Mutschler

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…

计算机视觉与模式识别 · 计算机科学 2021-09-13 Denis Coquenet , Clément Chatelain , Thierry Paquet

Establishing semantic correspondence is a core problem in computer vision and remains challenging due to large intra-class variations and lack of annotated data. In this paper, we aim to incorporate global semantic context in a flexible…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Shuaiyi Huang , Qiuyue Wang , Songyang Zhang , Shipeng Yan , Xuming He

Training machines to synthesize diverse handwritings is an intriguing task. Recently, RNN-based methods have been proposed to generate stylized online Chinese characters. However, these methods mainly focus on capturing a person's overall…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Gang Dai , Yifan Zhang , Qingfeng Wang , Qing Du , Zhuliang Yu , Zhuoman Liu , Shuangping Huang

The main challenge in on-line handwritten character recognition in Indian lan- guage is the large size of the character set, larger similarity between different characters in the script and the huge variation in writing style. In this paper…

计算机视觉与模式识别 · 计算机科学 2014-10-28 Sunil Kumar Kopparapu , Lajish V. L

Driven by deep learning and the large volume of data, scene text recognition has evolved rapidly in recent years. Formerly, RNN-attention based methods have dominated this field, but suffer from the problem of \textit{attention drift} in…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Zhaoyi Wan , Minghang He , Haoran Chen , Xiang Bai , Cong Yao

While deep learning has obtained state-of-the-art results in many applications, the adaptation of neural network architectures to incorporate new output features remains a challenge, as neural networks are commonly trained to produce a…

Handwriting of Chinese has long been an important skill in East Asia. However, automatic generation of handwritten Chinese characters poses a great challenge due to the large number of characters. Various machine learning techniques have…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Bo Chang , Qiong Zhang , Shenyi Pan , Lili Meng

Recent advancements in deep neural networks have markedly enhanced the performance of computer vision tasks, yet the specialized nature of these networks often necessitates extensive data and high computational power. Addressing these…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Jiayou Chao , Wei Zhu

When comparing human with artificial intelligence, one major difference is apparent: Humans can generalize very broadly from sparse data sets because they are able to recombine and reintegrate data components in compositional manners. To…

机器学习 · 计算机科学 2020-10-21 Sarah Fabi , Sebastian Otte , Jonas Gregor Wiese , Martin V. Butz

In this work, we present a unified model that can handle both Keyword Spotting and Word Recognition with the same network architecture. The proposed network is comprised of a non-recurrent CTC branch and a Seq2Seq branch that is further…

计算机视觉与模式识别 · 计算机科学 2020-08-18 George Retsinas , Giorgos Sfikas , Petros Maragos

Applying Small Language Models (SLMs) to Chinese character-driven generation remains challenging due to data scarcity and the difficulty of disentangling character style. Standard Supervised Fine-Tuning (SFT) often captures surface-level…

计算与语言 · 计算机科学 2026-05-20 Chanhui Zhu

The handwriting of Chinese characters is a fundamental aspect of learning the Chinese language. Previous automated assessment methods often framed scoring as a regression problem. However, this score-only feedback lacks actionable guidance,…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Chen Zheng , Yuxuan Lai , Haoyang Lu , Wentao Ma , Jitao Yang , Jian Wang