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Handwriting recognition has been one of the most fascinating and challenging research areas in field of image processing and pattern recognition. It contributes enormously to the improvement of automation process. In this paper, a system…

计算机视觉与模式识别 · 计算机科学 2021-09-08 Jomy John

The problem of converting images of text into plain text is a widely researched topic in both academia and industry. Arabic handwritten Text Recognation (AHTR) poses additional challenges due to diverse handwriting styles and limited…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Ahmed Fares

Offline Handwritten Mathematical Expression Recognition (HMER) is a major area in the field of mathematical expression recognition. Offline HMER is often viewed as a much harder problem as compared to online HMER due to a lack of temporal…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjwal Thakur , Anuj Sharma

We study the deformation theory of fully faithful Fourier-Mukai transforms in both characteristic zero and mixed characteristic. Our main result shows that obstructions to deforming such transforms can be completely controlled by Hodge…

代数几何 · 数学 2024-08-13 Wouter Rienks

Handwriting recognition refers to the identification of written characters. Handwriting recognition has become an acute research area in recent years for the ease of access of computer science. In this paper primarily discussed On-line and…

计算机视觉与模式识别 · 计算机科学 2013-03-21 Dr. Firoj Parwej

In this paper, we focus on Fourier analysis and holographic transforms for signal representation. For instance, in the case of image processing, the holographic representation has the property that an arbitrary portion of the transformed…

计算机视觉与模式识别 · 计算机科学 2011-11-09 G. A. Giraldi , B. F. Moutinho , D. M. L. de Carvalho , J. C. de Oliveira

In this paper, a new method for handwritten signature identification based on rotated complex wavelet filters is proposed. We have proposed to use the rotated complex wavelet filters (RCWF) and dual tree complex wavelet transform(DTCWT)…

计算机视觉与模式识别 · 计算机科学 2011-03-18 M. S. Shirdhonkar , Manesh Kokare

{.2in} {\small {\bf Abstract.} Due to the extra degrees of freedom, special affine Fourier transform (SAFT) has achieved a respectable status within a short span and got versatile applicability in the areas of signal processing, image…

泛函分析 · 数学 2021-03-31 Owais Ahmad , Neyaz Ahmad Sheikh

This comprehensive review paper delves into the intricacies of advanced Fourier type integral transforms and their mathematical properties, with a particular focus on fractional Fourier transform (FrFT), linear canonical transform (LCT),…

经典分析与常微分方程 · 数学 2024-02-13 Bivek Gupta , Amit K. Verma

Online handwritten character recognition leverages stroke order and dynamic features, which generally provide higher accuracy and robustness compared with offline recognition. However, in practical applications, rotational deformations can…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Zhe Ling , Sicheng Yu , Danyu Yang

Unlike other languages, the Arabic language has a morphological complexity which makes the Arabic sentiment analysis is a challenging task. Moreover, the presence of the dialects in the Arabic texts have made the sentiment analysis task is…

计算与语言 · 计算机科学 2019-02-19 Omar Al-Harbi

Arabic Handwritten Character Recognition (AHCR) has recently advanced significantly with deep Convolutional Neural Networks (ConvNets). However, many models in the literature are deep and computationally expensive in terms of parameters and…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mohsine El Khayati , Rachid Elouahbi , Abdelillah Semma

Gabor wavelet is an essential tool for image analysis and computer vision tasks. Local structure tensors with multiple scales are widely used in local feature extraction. Our research indicates that the current corner detection method based…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Huaqing Wang , Junfeng Jing , Ning Li , Weichuan Zhang , Chao Liu

In This paper we presented new approach for cursive Arabic text recognition system. The objective is to propose methodology analytical offline recognition of handwritten Arabic for rapid implementation. The first part in the writing…

计算机视觉与模式识别 · 计算机科学 2013-09-11 Ahlam Maqqor , Akram Halli , Khaled Satori

In this paper, we define a new transform called the Gabor quaternionic Fourier transform (GQFT), which generalizes the classical windowed Fourier transform to quaternion valued-signals, we give several important properties such as the…

经典分析与常微分方程 · 数学 2019-01-07 Mohammed El Kassimi , Said Fahlaoui

Arabic language is one of the most popular languages in the world. Hundreds of millions of people in many countries around the world speak Arabic as their native speaking. However, due to complexity of Arabic language, recognition of…

计算机视觉与模式识别 · 计算机科学 2017-02-07 Ashraf A. Shahin

A prototype system for the transliteration of diacritics-less Arabic manuscripts at the sub-word or part of Arabic word (PAW) level is developed. The system is able to read sub-words of the input manuscript using a set of skeleton-based…

计算机视觉与模式识别 · 计算机科学 2013-06-27 Reza Farrahi Moghaddam , Mohamed Cheriet , Thomas Milo , Robert Wisnovsky

We revisit the Fourier transform of a Hankel function, of considerable importance in the theory of knife edge diffraction. Our approach is based directly upon the underlying Bessel equation, which admits manipulation into an alternate…

综合数学 · 数学 2021-12-21 J. A. Grzesik

Handwritten character recognition is one of the most challenging and ongoing areas of research in the field of pattern recognition. HCR research is matured for foreign languages like Chinese and Japanese but the problem is much more complex…

计算机视觉与模式识别 · 计算机科学 2014-02-11 Anitha Mary M. O. Chacko , P. M Dhanya

This paper proposes a novel statistical approach that aims at the identification of valid and useful patterns in handwriting examination via Bayesian modeling. Starting from a sample of characters selected among 13 French native writers, an…

应用统计 · 统计学 2026-01-13 Lampis Tzai , Ioannis Ntzoufras , Silvia Bozza