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With the rapid development of the internet of things (IoT) and artificial intelligence (AI) technologies, human activity recognition (HAR) has been applied in a variety of domains such as security and surveillance, human-robot interaction,…

Human-Computer Interaction · Computer Science 2023-01-19 Rex Liu , Albara Ah Ramli , Huanle Zhang , Erik Henricson , Xin Liu

The limited data availability due to strict privacy regulations and significant resource demands severely constrains biomedical time-series AI development, which creates a critical gap between data requirements and accessibility. Synthetic…

Machine Learning · Computer Science 2025-11-25 Youngjoon Lee , Seongmin Cho , Yehhyun Jo , Jinu Gong , Hyunjoo Jenny Lee , Joonhyuk Kang

Visual electrophysiology is often used clinically to determine functional changes associated with retinal or neurological conditions. The full-field flash electroretinogram (ERG) assesses the global contribution of the outer and inner…

Neurons and Cognition · Quantitative Biology 2024-10-03 Mikhail Kulyabin , Aleksei Zhdanov , Andreas Maier , Lynne Loh , Jose J. Estevez , Paul A. Constable

Face recognition systems have significantly advanced in recent years, driven by the availability of large-scale datasets. However, several issues have recently came up, including privacy concerns that have led to the discontinuation of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Pietro Melzi , Christian Rathgeb , Ruben Tolosana , Ruben Vera-Rodriguez , Dominik Lawatsch , Florian Domin , Maxim Schaubert

Face aging, which aims at aesthetically rendering a given face to predict its future appearance, has received significant research attention in recent years. Although great progress has been achieved with the success of Generative…

Computer Vision and Pattern Recognition · Computer Science 2019-11-18 Yunfan Liu , Qi Li , Zhenan Sun , Tieniu Tan

Generative Adversarial Networks (GANs) have shown success in approximating complex distributions for synthetic image generation. However, current GAN-based methods for generating biometric images, such as iris, have certain limitations: (a)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Shivangi Yadav , Arun Ross

Today's legal restrictions that protect the privacy of biometric data are hampering fingerprint recognition researches. For instance, all high-resolution fingerprint databases ceased to be publicly available. To address this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 André Brasil Vieira Wyzykowski , Mauricio Pamplona Segundo , Rubisley de Paula Lemes

GAN-based techniques that generate and synthesize realistic faces have caused severe social concerns and security problems. Existing methods for detecting GAN-generated faces can perform well on limited public datasets. However, images from…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Hui Guo , Shu Hu , Xin Wang , Ming-Ching Chang , Siwei Lyu

In Human Activity Recognition (HAR), a predominant assumption is that the data utilized for training and evaluation purposes are drawn from the same distribution. It is also assumed that all data samples are independent and identically…

Machine Learning · Computer Science 2025-03-05 Xiaozhou Ye , Kevin I-Kai Wang

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications including diagnostic imaging and radiation therapy can…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

Human motion synthesis conditioned on textual input has gained significant attention in recent years due to its potential applications in various domains such as gaming, film production, and virtual reality. Conditioned Motion synthesis…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Avinash Amballa , Gayathri Akkinapalli , Vinitra Muralikrishnan

Facial recognition using deep convolutional neural networks relies on the availability of large datasets of face images. Many examples of identities are needed, and for each identity, a large variety of images are needed in order for the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Richard T. Marriott , Sami Romdhani , Liming Chen

Generative Adversarial Networks (GANs) are increasingly used to generate synthetic medical images, addressing the critical shortage of annotated data for training Artificial Intelligence systems. This study introduces CRF-GAN, a novel…

Image and Video Processing · Electrical Eng. & Systems 2025-04-22 Mahshid Shiri , Chandra Bortolotto , Alessandro Bruno , Alessio Consonni , Daniela Maria Grasso , Leonardo Brizzi , Daniele Loiacono , Lorenzo Preda

In this research, we introduce an innovative method for synthesizing medical images using generative adversarial networks (GANs). Our proposed GANs method demonstrates the capability to produce realistic synthetic images even when trained…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Yinqiu Feng , Bo Zhang , Lingxi Xiao , Yutian Yang , Tana Gegen , Zexi Chen

Generative adversarial networks (GANs) are a class of unsupervised machine learning algorithms that can produce realistic images from randomly-sampled vectors in a multi-dimensional space. Until recently, it was not possible to generate…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Andrew Beers , James Brown , Ken Chang , J. Peter Campbell , Susan Ostmo , Michael F. Chiang , Jayashree Kalpathy-Cramer

Synthetic data generation has emerged as a promising approach to address the challenges of using sensitive financial data in machine learning applications. By leveraging generative models, such as Generative Adversarial Networks (GANs) and…

Machine Learning · Computer Science 2025-10-31 James Meldrum , Basem Suleiman , Fethi Rabhi , Muhammad Johan Alibasa

Access to high-quality medical data is often restricted due to privacy concerns, posing significant challenges for training artificial intelligence (AI) algorithms within Electronic Health Record (EHR) applications. In this study, prompt…

Artificial Intelligence · Computer Science 2025-04-30 Polycarp Nalela

Cross-user variability in Human Activity Recognition (HAR) remains a critical challenge due to differences in sensor placement, body dynamics, and behavioral patterns. Traditional methods often fail to capture biomechanical invariants that…

Machine Learning · Computer Science 2025-05-13 Xiaozhou Ye , Kevin I-Kai Wang

Due to the growing rise of cyber attacks in the Internet, flow-based data sets are crucial to increase the performance of the Machine Learning (ML) components that run in network-based intrusion detection systems (IDS). To overcome the…

Cryptography and Security · Computer Science 2022-02-09 Alberto Mozo , Ángel González-Prieto , Antonio Pastor , Sandra Gómez-Canaval , Edgar Talavera

Affective computing faces a major challenge: the lack of high-quality, diverse depth facial datasets for recognizing subtle emotional expressions. We propose a framework for synthetic depth face generation using an optimized GAN with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Seyed Muhammad Hossein Mousavi , S. Younes Mirinezhad
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