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Training learning-based deblurring methods demands a tremendous amount of blurred and sharp image pairs. Unfortunately, existing synthetic datasets are not realistic enough, and deblurring models trained on them cannot handle real blurred…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Jaesung Rim , Geonung Kim , Jungeon Kim , Junyong Lee , Seungyong Lee , Sunghyun Cho

Training fingerprint recognition models using synthetic data has recently gained increased attention in the biometric community as it alleviates the dependency on sensitive personal data. Existing approaches for fingerprint generation are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Alon Shoshan , Nadav Bhonker , Emanuel Ben Baruch , Ori Nizan , Igor Kviatkovsky , Joshua Engelsma , Manoj Aggarwal , Gerard Medioni

Synthetic images generated from deep generative models have the potential to address data scarcity and data privacy issues. The selection of synthesis models is mostly based on image quality measurements, and most researchers favor…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Xiaodan Xing , Federico Felder , Yang Nan , Giorgos Papanastasiou , Walsh Simon , Guang Yang

Deep learning has shown excellent performance in analysing medical images. However, datasets are difficult to obtain due privacy issues, standardization problems, and lack of annotations. We address these problems by producing realistic…

Image and Video Processing · Electrical Eng. & Systems 2022-02-18 Enric Moreu , Kevin McGuinness , Noel E. O'Connor

The utilization of synthetic data for fingerprint recognition has garnered increased attention due to its potential to alleviate privacy concerns surrounding sensitive biometric data. However, current methods for generating fingerprints…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Steven A. Grosz , Anil K. Jain

Class imbalance can often degrade predictive performance of supervised learning algorithms. Balanced classes can be obtained by oversampling exact copies, with noise, or interpolation between nearest neighbours (as in traditional SMOTE…

Machine Learning · Computer Science 2022-01-17 Emily Muller , Xu Zheng , Jer Hayes

In the past several decades, many attempts have been made to model synthetic realistic geometric data. The goal of such models is to generate plausible 3D geometries and textures. Perhaps the best known of its kind is the linear 3D…

Computational Geometry · Computer Science 2018-08-28 Ron Slossberg , Gil Shamai , Ron Kimmel

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

Synthetic data generation is gaining increasing popularity in different computer vision applications. Existing state-of-the-art face recognition models are trained using large-scale face datasets, which are crawled from the Internet and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Hatef Otroshi Shahreza , Sébastien Marcel

Facial recognition has become a widely used method for authentication and identification, with applications for secure access and locating missing persons. Its success is largely attributed to deep learning, which leverages large datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Pedro Vidal , Bernardo Biesseck , Luiz E. L. Coelho , Roger Granada , David Menotti

Advances in high-throughput microscopy have enabled the rapid acquisition of large numbers of high-content microscopy images. Whether by deep learning or classical algorithms, image analysis pipelines then produce single-cell features. To…

In biomedical image analysis, data imbalance is common across several imaging modalities. Data augmentation is one of the key solutions in addressing this limitation. Generative Adversarial Networks (GANs) are increasingly being relied upon…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Muhammad Muneeb Saad , Mubashir Husain Rehmani , Ruairi O'Reilly

Behavioural biometric authentication systems entail an enrolment period that is burdensome for the user. In this work, we explore generating synthetic gestures from a few real user gestures with generative deep learning, with the…

Cryptography and Security · Computer Science 2024-07-15 George Webber , Jack Sturgess , Ivan Martinovic

Generative Adversarial Networks (GANs) have made a dramatic leap in high-fidelity image synthesis and stylized face generation. Recently, a layer-swapping mechanism has been developed to improve the stylization performance. However, this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Mingcong Liu , Qiang Li , Zekui Qin , Guoxin Zhang , Pengfei Wan , Wen Zheng

The remarkable progress in neural-network-driven visual data generation, especially with neural rendering techniques like Neural Radiance Fields and 3D Gaussian splatting, offers a powerful alternative to GANs and diffusion models. These…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Chengdong Dong , Vijayakumar Bhagavatula , Zhenyu Zhou , Ajay Kumar

Machine learning applications are becoming increasingly pervasive in our society. Since these decision-making systems rely on data-driven learning, risk is that they will systematically spread the bias embedded in data. In this paper, we…

Machine Learning · Statistics 2023-02-09 Alessandro Castelnovo , Riccardo Crupi , Nicole Inverardi , Daniele Regoli , Andrea Cosentini

The performance of supervised deep learning algorithms depends significantly on the scale, quality and diversity of the data used for their training. Collecting and manually annotating large amount of data can be both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 C. Symeonidis , P. Nousi , P. Tosidis , K. Tsampazis , N. Passalis , A. Tefas , N. Nikolaidis

This study explores the generation of synthesized fingerprint images using Denoising Diffusion Probabilistic Models (DDPMs). The significant obstacles in collecting real biometric data, such as privacy concerns and the demand for diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Freddie Grabovski , Lior Yasur , Yaniv Hacmon , Lior Nisimov , Stav Nimrod

BioImageLoader (BIL) is a python library that handles bioimage datasets for machine learning applications, easing simple workflows and enabling complex ones. BIL attempts to wrap the numerous and varied bioimages datasets in unified…

Quantitative Methods · Quantitative Biology 2023-03-07 Seongbin Lim , Xingjian Zhang , Emmanuel Beaurepaire , Anatole Chessel

Anomaly detection in visual data refers to the problem of differentiating abnormal appearances from normal cases. Supervised approaches have been successfully applied to different domains, but require an abundance of labeled data. Due to…

Image and Video Processing · Electrical Eng. & Systems 2021-04-29 Dejan Stepec , Danijel Skocaj