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There are many difficulties facing a handwritten Arabic recognition system such as unlimited variation in human handwriting, similarities of distinct character shapes, interconnections of neighbouring characters and their position in the…

Computer Vision and Pattern Recognition · Computer Science 2014-02-27 Ahmed Sahlol , Cheng Suen

Graph neural networks (GNNs) have achieved great success in many graph-based applications. However, the enormous size and high sparsity level of graphs hinder their applications under industrial scenarios. Although some scalable GNNs are…

Machine Learning · Computer Science 2022-06-10 Wentao Zhang , Ziqi Yin , Zeang Sheng , Yang Li , Wen Ouyang , Xiaosen Li , Yangyu Tao , Zhi Yang , Bin Cui

A character-level convolutional neural network (CNN) motivated by applications in "automated machine learning" (AutoML) is proposed to semantically classify columns in tabular data. Simulated data containing a set of base classes is first…

Computation and Language · Computer Science 2019-01-25 Paul Azunre , Craig Corcoran , Numa Dhamani , Jeffrey Gleason , Garrett Honke , David Sullivan , Rebecca Ruppel , Sandeep Verma , Jonathon Morgan

Steerable convolutional neural networks (CNNs) provide a general framework for building neural networks equivariant to translations and transformations of an origin-preserving group $G$, such as reflections and rotations. They rely on…

Machine Learning · Computer Science 2023-10-30 Maksim Zhdanov , Nico Hoffmann , Gabriele Cesa

Handwritten numeral recognition is in general a benchmark problem of Pattern Recognition and Artificial Intelligence. Compared to the problem of printed numeral recognition, the problem of handwritten numeral recognition is compounded due…

Computer Vision and Pattern Recognition · Computer Science 2010-03-10 Nibaran Das , Ayatullah Faruk Mollah , Sudip Saha , Syed Sahidul Haque

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

Dense prediction is a fundamental requirement for many medical vision tasks such as medical image restoration, registration, and segmentation. The most popular vision model, Convolutional Neural Networks (CNNs), has reached bottlenecks due…

Image and Video Processing · Electrical Eng. & Systems 2023-11-29 Mingyuan Meng , Yuxin Xue , Dagan Feng , Lei Bi , Jinman Kim

Optical character recognition (OCR) systems performance have improved significantly in the deep learning era. This is especially true for handwritten text recognition (HTR), where each author has a unique style, unlike printed text, where…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Sharon Fogel , Hadar Averbuch-Elor , Sarel Cohen , Shai Mazor , Roee Litman

Graph convolutional networks (GCNs) allow us to learn topologically-aware node embeddings, which can be useful for classification or link prediction. However, they are unable to capture long-range dependencies between nodes without adding…

Machine Learning · Computer Science 2023-08-17 Reza Namazi , Elahe Ghalebi , Sinead Williamson , Hamidreza Mahyar

We propose a novel approach for visual representation learning called Signature-Graph Neural Networks (SGN). SGN learns latent global structures that augment the feature representation of Convolutional Neural Networks (CNN). SGN constructs…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Ali Hamdi , Flora Salim , Du Yong Kim , Xiaojun Chang

Convolutional Neural Networks (CNN) have become state-of-the-art in the field of image classification. However, not everything is understood about their inner representations. This paper tackles the interpretability and explainability of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-11 Brian Kenji Iwana , Ryohei Kuroki , Seiichi Uchida

Low-dimensional embeddings are a cornerstone in the modelling and analysis of complex networks. However, most existing approaches for mining network embedding spaces rely on computationally intensive machine learning systems to facilitate…

Social and Information Networks · Computer Science 2024-10-04 Alexandros Xenos , Noel-Malod Dognin , Natasa Przulj

The objective of image manipulation detection is to identify and locate the manipulated regions in the images. Recent approaches mostly adopt the sophisticated Convolutional Neural Networks (CNNs) to capture the tampering artifacts left in…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Wenyan Pan , Zhili Zhou , Miaogen Ling , Xin Geng , Q. M. Jonathan Wu

Compressed Learning (CL) is a joint signal processing and machine learning framework for inference from a signal, using a small number of measurements obtained by linear projections of the signal. In this paper we present an end-to-end deep…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Amir Adler , Michael Elad , Michael Zibulevsky

The use of convolutional neural networks (CNNs) for classification tasks has become dominant in various medical imaging applications. At the same time, recent advances in interpretable machine learning techniques have shown great potential…

Image and Video Processing · Electrical Eng. & Systems 2019-10-02 Irina Grigorescu , Lucilio Cordero-Grande , A David Edwards , Jo Hajnal , Marc Modat , Maria Deprez

Structured semantic sentence representations such as Abstract Meaning Representations (AMRs) are potentially useful in various NLP tasks. However, the quality of automatic parses can vary greatly and jeopardizes their usefulness. This can…

Computation and Language · Computer Science 2020-12-17 Juri Opitz

Neural networks have become the technique of choice for OCR, but many aspects of how and why they deliver superior performance are still unknown. One key difference between current neural network techniques using LSTMs and the previous…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Ekraam Sabir , Stephen Rawls , Prem Natarajan

Layer-wise relevance propagation (LRP) is a recently proposed technique for explaining predictions of complex non-linear classifiers in terms of input variables. In this paper, we apply LRP for the first time to natural language processing…

Computation and Language · Computer Science 2016-06-24 Leila Arras , Franziska Horn , Grégoire Montavon , Klaus-Robert Müller , Wojciech Samek

Deep Convolutional Neural Networks (CNNs) achieve high accuracy but often rely on purely global, gradient-based optimisation, which can lead to overfitting, redundant filters, and reduced interpretability. To address these limitations, we…

Machine Learning · Computer Science 2025-08-28 Davorin Miličević , Ratko Grbić

Age estimation of face images is a crucial task with various practical applications in areas such as video surveillance and Internet access control. While deep learning-based age estimation frameworks, e.g., convolutional neural network…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Yuntao Shou , Xiangyong Cao , Deyu Meng