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Conventional optical character recognition (OCR) techniques segmented each character and then recognized. This made them prone to error in character segmentation, and devoid of context to exploit language models. Advances in sequence to…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Shashank Vempati , Nishit Anand , Gaurav Talebailkar , Arpan Garai , Chetan Arora

Deep graph models have achieved great success in network representation learning. However, their focus on pairwise relationships restricts their ability to learn pervasive higher-order interactions in real-world systems, which can be…

机器学习 · 计算机科学 2025-09-30 Fan Li , Xiaoyang Wang , Wenjie Zhang , Ying Zhang , Xuemin Lin

How can we learn, transfer and extract handwriting styles using deep neural networks? This paper explores these questions using a deep conditioned autoencoder on the IRON-OFF handwriting data-set. We perform three experiments that…

计算机视觉与模式识别 · 计算机科学 2018-12-19 Omar Mohammed , Gerard Bailly , Damien Pellier

On-line handwritten character segmentation is often associated with handwriting recognition and even though recognition models include mechanisms to locate relevant positions during the recognition process, it is typically insufficient to…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Michael Jungo , Beat Wolf , Andrii Maksai , Claudiu Musat , Andreas Fischer

Handwritten Text Recognition (HTR) is still a challenging problem because it must deal with two important difficulties: the variability among writing styles, and the scarcity of labelled data. To alleviate such problems, synthetic data…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Lei Kang , Marçal Rusiñol , Alicia Fornés , Pau Riba , Mauricio Villegas

Handwritten Text Recognition (HTR) is more interesting and challenging than printed text due to uneven variations in the handwriting style of the writers, content, and time. HTR becomes more challenging for the Indic languages because of…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Ajoy Mondal , C. V. Jawahar

Optical Character Recognition (OCR) is the process of extracting digitized text from images of scanned documents. While OCR systems have already matured in many languages, they still have shortcomings in cursive languages with overlapping…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Hussein Osman , Karim Zaghw , Mostafa Hazem , Seifeldin Elsehely

We explore the application of Vision Transformer (ViT) for handwritten text recognition. The limited availability of labeled data in this domain poses challenges for achieving high performance solely relying on ViT. Previous…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Yuting Li , Dexiong Chen , Tinglong Tang , Xi Shen

Existing deep convolutional neural networks (CNNs) have shown their great success on image classification. CNNs mainly consist of convolutional and pooling layers, both of which are performed on local image areas without considering the…

计算机视觉与模式识别 · 计算机科学 2016-06-29 Zhen Zuo , Bing Shuai , Gang Wang , Xiao Liu , Xingxing Wang , Bing Wang

In recent years, deep learning models have shown great potential in source code modeling and analysis. Generally, deep learning-based approaches are problem-specific and data-hungry. A challenging issue of these approaches is that they…

机器学习 · 计算机科学 2020-07-15 Yasir Hussain , Zhiqiu Huang , Yu Zhou , Senzhang Wang

Unconstrained video recognition and Deep Convolution Network (DCN) are two active topics in computer vision recently. In this work, we apply DCNs as frame-based recognizers for video recognition. Our preliminary studies, however, show that…

计算机视觉与模式识别 · 计算机科学 2015-06-16 Yu-Chuan Su , Tzu-Hsuan Chiu , Chun-Yen Yeh , Hsin-Fu Huang , Winston H. Hsu

Building robust recognizers for Arabic has always been challenging. We demonstrate the effectiveness of an end-to-end trainable CNN-RNN hybrid architecture in recognizing Arabic text in videos and natural scenes. We outperform previous…

计算机视觉与模式识别 · 计算机科学 2017-11-08 Mohit Jain , Minesh Mathew , C. V. Jawahar

Handwritten text recognition (HTR) for Arabic-script languages still lags behind Latin-script HTR, despite recent advances in model architectures, datasets, and benchmarks. We show that data quality is a significant limiting factor in many…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Sana Al-azzawi , Elisa Barney , Marcus Liwicki

Convolutional neural networks (CNNs) perform well on problems such as handwriting recognition and image classification. However, the performance of the networks is often limited by budget and time constraints, particularly when trying to…

计算机视觉与模式识别 · 计算机科学 2014-09-23 Benjamin Graham

Faced with continuously increasing scale of data, original back-propagation neural network based machine learning algorithm presents two non-trivial challenges: huge amount of data makes it difficult to maintain both efficiency and…

分布式、并行与集群计算 · 计算机科学 2015-10-12 Kairan Sun , Xu Wei , Gengtao Jia , Risheng Wang , Ruizhi Li

Despite significant advances in deep learning, current Handwritten Text Recognition (HTR) systems struggle with the inherent complexity of historical documents, including diverse writing styles, degraded text quality, and computational…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Mohammed Hamdan , Abderrahmane Rahiche , Mohamed Cheriet

We investigate how to train a high quality optical character recognition (OCR) model for difficult historical typefaces on degraded paper. Through extensive grid searches, we obtain a neural network architecture and a set of optimal data…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Bernhard Liebl , Manuel Burghardt

Direction properties of online strokes are used to analyze them in terms of homogeneous regions or sub-strokes with points satisfying common geometric properties. Such sub-strokes are called sub-units. These properties are used to extract…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Anand Sharma , A. G. Ramakrishnan

This paper focuses on the problem of script identification in scene text images. Facing this problem with state of the art CNN classifiers is not straightforward, as they fail to address a key characteristic of scene text instances: their…

计算机视觉与模式识别 · 计算机科学 2017-02-02 Lluis Gomez , Anguelos Nicolaou , Dimosthenis Karatzas

HTR models development has become a conventional step for digital humanities projects. The performance of these models, often quite high, relies on manual transcription and numerous handwritten documents. Although the method has proven…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Lucas Noëmie , Clément Salah , Chahan Vidal-Gorène