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Medical imaging systems are commonly assessed and optimized by use of objective-measures of image quality (IQ) that quantify the performance of an observer at specific tasks. Variation in the objects to-be-imaged is an important source of…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Weimin Zhou , Sayantan Bhadra , Frank J. Brooks , Jason L. Granstedt , Hua Li , Mark A. Anastasio

The data scarcity problem in emotion recognition from electroencephalography (EEG) leads to difficulty in building an affective model with high accuracy using machine learning algorithms or deep neural networks. Inspired by emerging deep…

Signal Processing · Electrical Eng. & Systems 2020-06-18 Yun Luo , Li-Zhen Zhu , Zi-Yu Wan , Bao-Liang Lu

In semiconductor manufacturing, the wafer dicing process is central yet vulnerable to defects that significantly impair yield - the proportion of defect-free chips. Deep neural networks are the current state of the art in (semi-)automated…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Zhining Hu , Tobias Schlosser , Michael Friedrich , André Luiz Vieira e Silva , Frederik Beuth , Danny Kowerko

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

Convolutional Neural Networks (CNNs) can play a key role in Medical Image Analysis under large-scale annotated datasets. However, preparing such massive dataset is demanding. In this context, Generative Adversarial Networks (GANs) can…

Image and Video Processing · Electrical Eng. & Systems 2021-06-04 Changhee Han

Deep learning approaches to breast cancer detection in mammograms have recently shown promising results. However, such models are constrained by the limited size of publicly available mammography datasets, in large part due to privacy…

Computer Vision and Pattern Recognition · Computer Science 2018-08-27 Eric Wu , Kevin Wu , David Cox , William Lotter

Generative adversarial network (GAN) still exists some problems in dealing with speech enhancement (SE) task. Some GAN-based systems adopt the same structure from Pixel-to-Pixel directly without special optimization. The importance of the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-09 Huixiang Huang , Renjie Wu , Jingbiao Huang , Jucai Lin , Jun Yin

Testing new, innovative technologies is a crucial task for safety and acceptance. But how can new systems be tested if no historical real-world data exist? Simulation provides an answer to this important question. Classical simulation tools…

Machine Learning · Statistics 2020-09-04 Tom Peetz , Sebastian Vogt , Martin Zaefferer , Thomas Bartz-Beielstein

Analyzing medical data to find abnormalities is a time-consuming and costly task, particularly for rare abnormalities, requiring tremendous efforts from medical experts. Artificial intelligence has become a popular tool for the automatic…

Generative adversarial networks (GANs) are capable of producing high quality image samples. However, unlike variational autoencoders (VAEs), GANs lack encoders that provide the inverse mapping for the generators, i.e., encode images back to…

Machine Learning · Statistics 2018-12-20 Paul K. Rubenstein , Yunpeng Li , Dominik Roblek

Deep neural network (DNN) models have shown remarkable success in many real-world scenarios, such as object detection and classification. Unfortunately, these models are not yet widely adopted in health monitoring due to exceptionally high…

Machine Learning · Computer Science 2025-03-14 Johnson Loh , Lyubov Dudchenko , Justus Viga , Tobias Gemmeke

Generative Adversarial Networks (GANs) have been used widely to generate large volumes of synthetic data. This data is being utilized for augmenting with real examples in order to train deep Convolutional Neural Networks (CNNs). Studies…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Binod Bhattarai , Seungryul Baek , Rumeysa Bodur , Tae-Kyun Kim

Earth system models (ESMs), which simulate the physics and chemistry of the global atmosphere, land, and ocean, are often used to generate future projections of climate change scenarios. These models are far too computationally intensive to…

Neural and Evolutionary Computing · Computer Science 2020-11-25 Alexandra Puchko , Robert Link , Brian Hutchinson , Ben Kravitz , Abigail Snyder

In this paper we propose a data augmentation method for time series with irregular sampling, Time-Conditional Generative Adversarial Network (T-CGAN). Our approach is based on Conditional Generative Adversarial Networks (CGAN), where the…

Machine Learning · Computer Science 2019-02-04 Giorgia Ramponi , Pavlos Protopapas , Marco Brambilla , Ryan Janssen

Recently, more and more works have proposed to drive evolutionary algorithms using machine learning models.Usually, the performance of such model based evolutionary algorithms is highly dependent on the training qualities of the adopted…

Neural and Evolutionary Computing · Computer Science 2020-04-08 Cheng He , Shihua Huang , Ran Cheng , Kay Chen Tan , Yaochu Jin

Applying deep reinforcement learning (RL) on real systems suffers from slow data sampling. We propose an enhanced generative adversarial network (EGAN) to initialize an RL agent in order to achieve faster learning. The EGAN utilizes the…

Artificial Intelligence · Computer Science 2017-05-30 Vincent Huang , Tobias Ley , Martha Vlachou-Konchylaki , Wenfeng Hu

In recent years, machine learning has achieved impressive results across different application areas. However, machine learning algorithms do not necessarily perform well on a new domain with a different distribution than its training set.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Ye Gao , Zhendong Chu , Hongning Wang , John Stankovic

Over the past twenty years, artificial Gene Regulatory Networks (GRNs) have shown their capacity to solve real-world problems in various domains such as agent control, signal processing and artificial life experiments. They have also…

Neural and Evolutionary Computing · Computer Science 2018-07-17 Dennis G Wilson , Kyle Harrington , Sylvain Cussat-Blanc , Hervé Luga

Without any specific way for imbalance data classification, artificial intelligence algorithm cannot recognize data from minority classes easily. In general, modifying the existing algorithm by assuming that the training data is imbalanced,…

Machine Learning · Computer Science 2018-07-16 Fanny , Tjeng Wawan Cenggoro

The objective optimization of medical imaging systems requires full characterization of all sources of randomness in the measured data, which includes the variability within the ensemble of objects to-be-imaged. This can be accomplished by…

Image and Video Processing · Electrical Eng. & Systems 2020-01-28 Weimin Zhou , Sayantan Bhadra , Frank J. Brooks , Hua Li , Mark A. Anastasio