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A major obstacle in radar based methods for concealed object detection on humans and seamless integration into security and access control system is the difficulty in collecting high quality radar signal data. Generative adversarial…

Image and Video Processing · Electrical Eng. & Systems 2020-08-11 Thomas Truong , Svetlana Yanushkevich

Generative Adversarial Networks (GANs) have shown impressive performance in generating photo-realistic images. They fit generative models by minimizing certain distance measure between the real image distribution and the generated data…

Machine Learning · Computer Science 2017-09-29 Jianbo Guo , Guangxiang Zhu , Jian Li

With the advent of Deep Learning (DL) techniques, especially Generative Adversarial Networks (GANs), data augmentation and generation are quickly evolving domains that have raised much interest recently. However, the DL techniques are data…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Umair Javaid , John A. Lee

Classification of large and dense networks based on topology is very difficult due to the computational challenges of extracting meaningful topological features from real-world networks. In this paper we present a computationally tractable…

Machine Learning · Computer Science 2022-02-04 Tananun Songdechakraiwut , Bryan M. Krause , Matthew I. Banks , Kirill V. Nourski , Barry D. Van Veen

The advent of large-scale self-supervised learning (SSL) has produced a vast zoo of medical foundation models. However, selecting optimal medical foundation models for specific segmentation tasks remains a computational bottleneck. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jiaqi Tang , Shaoyang Zhang , Xiaoqi Wang , Jiaying Zhou , Yang Liu , Qingchao Chen

Graph neural networks (GNNs) face significant challenges with class imbalance, leading to biased inference results. To address this issue in heterogeneous graphs, we propose a novel framework that combines Graph Neural Network (GNN) and…

Machine Learning · Computer Science 2024-11-26 Hung-Chun Hsu , Bo-Jun Wu , Ming-Yi Hong , Che Lin , Chih-Yu Wang

This work presents a comparative evaluation of two fundamentally different feature extraction paradigms--Histogram of Oriented Gradients (HOG) and Topological Data Analysis (TDA)--for medical image classification, with a focus on retinal…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Faisal Ahmed

Recent years have witnessed the remarkable success of applying Graph machine learning (GML) to node/graph classification and link prediction. However, edge classification task that enjoys numerous real-world applications such as social…

Machine Learning · Computer Science 2024-06-19 Xueqi Cheng , Yu Wang , Yunchao Liu , Yuying Zhao , Charu C. Aggarwal , Tyler Derr

Learning disentangled representations is regarded as a fundamental task for improving the generalization, robustness, and interpretability of generative models. However, measuring disentanglement has been challenging and inconsistent, often…

Machine Learning · Statistics 2021-03-19 Sharon Zhou , Eric Zelikman , Fred Lu , Andrew Y. Ng , Gunnar Carlsson , Stefano Ermon

Quantification of the number of variables needed to locally explain complex data is often the first step to better understanding it. Existing techniques from intrinsic dimension estimation leverage statistical models to glean this…

Machine Learning · Computer Science 2023-12-13 Eric Yeats , Cameron Darwin , Frank Liu , Hai Li

Generative adversarial networks (GANs) are one of the most popular methods for generating images today. While impressive results have been validated by visual inspection, a number of quantitative criteria have emerged only recently. We…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Konstantin Shmelkov , Cordelia Schmid , Karteek Alahari

Techniques from computational topology, in particular persistent homology, are becoming increasingly relevant for data analysis. Their stable metrics permit the use of many distance-based data analysis methods, such as multidimensional…

Algebraic Topology · Mathematics 2021-01-20 Bastian Rieck , Filip Sadlo , Heike Leitte

Generative Adversarial Networks (GANs) are powerful Machine Learning models capable of generating fully synthetic samples of a desired phenomenon with a high resolution. Despite their success, the training process of a GAN is highly…

Machine Learning · Computer Science 2022-09-07 Ángel González-Prieto , Alberto Mozo , Edgar Talavera , Sandra Gómez-Canaval

Network intrusion detection systems (NIDS) play a pivotal role in safeguarding critical digital infrastructures against cyber threats. Machine learning-based detection models applied in NIDS are prevalent today. However, the effectiveness…

Cryptography and Security · Computer Science 2024-04-12 Xinxing Zhao , Kar Wai Fok , Vrizlynn L. L. Thing

Tuning curves characterizing the response selectivities of biological neurons often exhibit large degrees of irregularity and diversity across neurons. Theoretical network models that feature heterogeneous cell populations or random…

Quantitative Methods · Quantitative Biology 2017-07-20 Takafumi Arakaki , G. Barello , Yashar Ahmadian

Generative-adversarial networks (GANs) have been used to produce data closely resembling example data in a compressed, latent space that is close to sufficient for reconstruction in the original vector space. The Wasserstein metric has been…

Machine Learning · Statistics 2022-10-10 Oliver Serang

This paper presents a novel deep learning framework for human trajectory prediction and detecting social group membership in crowds. We introduce a generative adversarial pipeline which preserves the spatio-temporal structure of the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Tharindu Fernando , Simon Denman , Sridha Sridharan , Clinton Fookes

The difficulty in obtaining labeled data relevant to a given task is among the most common and well-known practical obstacles to applying deep learning techniques to new or even slightly modified domains. The data volumes required by the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Jonathan Howe , Kyle Pula , Aaron A. Reite

In traditional generative modeling, good data representation is very often a base for a good machine learning model. It can be linked to good representations encoding more explanatory factors that are hidden in the original data. With the…

Machine Learning · Computer Science 2019-04-01 Maciej Zamorski , Adrian Zdobylak , Maciej Zięba , Jerzy Świątek

A good Text-to-Image model should not only generate high quality images, but also ensure the consistency between the text and the generated image. Previous models failed to simultaneously fix both sides well. This paper proposes a Gradual…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Bo Yang , Fangxiang Feng , Xiaojie Wang