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Actually, the ability to identify the documents authors provides more chances for using these documents for various purposes. In this paper, we present a new effective biometric writer identification system from online handwriting. The…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Thameur Dhieb , Sourour Njah , Houcine Boubaker , Wael Ouarda , Mounir Ben Ayed , Adel M. Alimi

An off-line handwritten alphabetical character recognition system using multilayer feed forward neural network is described in the paper. A new method, called, diagonal based feature extraction is introduced for extracting the features of…

Computation · Statistics 2011-03-03 J. Pradeep , E. Srinivasan , S. Himavathi

We propose a Graph Neural Network (GNN)-based approach for Handwritten Mathematical Expression (HME) recognition by modeling HMEs as graphs, where nodes represent symbols and edges capture spatial dependencies. A deep BLSTM network is used…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Cuong Tuan Nguyen , Ngoc Tuan Nguyen , Triet Hoang Minh Dao , Huy Minh Nhat , Huy Truong Dinh

This paper proposes a method for recognizing online handwritten mathematical expressions (OnHME) by building a symbol relation tree (SRT) directly from a sequence of strokes. A bidirectional recurrent neural network learns from multiple…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Thanh-Nghia Truong , Hung Tuan Nguyen , Cuong Tuan Nguyen , Masaki Nakagawa

This paper presents a two-dimension fuzzy set based approach for matching touch-based gestures using fuzzy cued click point technique. The pro posed approach aims mainly to improve the acceptance of the most closed inac curate hand drawn…

Human-Computer Interaction · Computer Science 2025-07-31 Adel Sabour , Ahmed Gadallah , Hesham Hefny

Handwriting recognition technology allows recognizing a written text from a given data. The recognition task can target letters, symbols, or words, and the input data can be a digital image or recorded by various sensors. A wide range of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Hilda Azimi , Steven Chang , Jonathan Gold , Koray Karabina

The production of animation is a resource intensive process in game companies. Therefore, techniques to synthesize animations have been developed. However, these procedural techniques offer limited adaptability by animation artists. In…

Human disease diagnosis is a complicated process and requires high level of expertise. Any attempt of developing a web-based expert system dealing with human disease diagnosis has to overcome various difficulties. This paper describes a…

Artificial Intelligence · Computer Science 2010-06-24 Mir Anamul Hasan , Khaja Md. Sher-E-Alam , Ahsan Raja Chowdhury

Handwritten Mathematical Expression Recognition (HMER) is a challenging task with many educational applications. Recent methods for HMER have been developed for complex mathematical expressions in standard horizontal format. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Daniel Rosa , Filipe R. Cordeiro , Ruan Carvalho , Everton Souza , Sergio Chevtchenko , Luiz Rodrigues , Marcelo Marinho , Thales Vieira , Valmir Macario

The treatment of both aleatory and epistemic uncertainty by recent methods often requires an high computational effort. In this abstract, we propose a numerical sampling method allowing to lighten the computational burden of treating the…

Artificial Intelligence · Computer Science 2007-12-14 Eric Chojnacki , Jean Baccou , Sébastien Destercke

Recognizing handwritten mathematics is a challenging classification problem, requiring simultaneous identification of all the symbols comprising an input as well as the complex two-dimensional relationships between symbols and…

Artificial Intelligence · Computer Science 2014-09-19 Scott MacLean , George Labahn

Finding the name of an unknown symbol is often hard, but writing the symbol is easy. This bachelor's thesis presents multiple systems that use the pen trajectory to classify handwritten symbols. Five preprocessing steps, one data…

Computer Vision and Pattern Recognition · Computer Science 2016-02-19 Martin Thoma

The approach described here allows to use the fuzzy Object Based Representation of imprecise and uncertain knowledge. This representation has a great practical interest due to the possibility to realize reasoning on classification with a…

Artificial Intelligence · Computer Science 2012-06-13 Mohamed Nazih Omri

The forensic attribution of the handwriting in a digitized document to multiple scribes is a challenging problem of high dimensionality. Unique handwriting styles may be dissimilar in a blend of several factors including character size,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Sriparna Majumdar , Aaron Brick

Handwritten mathematical expression recognition (HMER) is a challenging task that has many potential applications. Recent methods for HMER have achieved outstanding performance with an encoder-decoder architecture. However, these methods…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Ye Yuan , Xiao Liu , Wondimu Dikubab , Hui Liu , Zhilong Ji , Zhongqin Wu , Xiang Bai

Offline handwriting recognition with deep neural networks is usually limited to words or lines due to large computational costs. In this paper, a less computationally expensive full page offline handwritten text recognition framework is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Jonathan Chung , Thomas Delteil

Statistical methods have been widely employed to study the fundamental properties of language. In recent years, methods from complex and dynamical systems proved useful to create several language models. Despite the large amount of studies…

Computation and Language · Computer Science 2015-09-18 Diego R. Amancio

Gesturing is one of the natural modes of human communication. Signs produced by gestures can have a basic meaning coupled with additional information that is layered over the basic meaning of the sign. Sign language is an important example…

Computer Vision and Pattern Recognition · Computer Science 2014-10-16 Subhadip Basu , S. Dey , K. Mukherjee , T. S. Jana

In this paper, we present a methodology for off-line handwritten character recognition. The proposed methodology relies on a new feature extraction technique based on structural characteristics, histograms and profiles. As novelty, we…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 José Manuel Casas , Nick Inassaridze , Manuel Ladra , Susana Ladra

This article proposes a convenient tool for decoding the output of neural networks trained by Connectionist Temporal Classification (CTC) for handwritten text recognition. We use regular expressions to describe the complex structures…

Neural and Evolutionary Computing · Computer Science 2016-03-31 Tobias Strauß , Gundram Leifert , Tobias Grüning , Roger Labahn