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Related papers: Data-driven Seismic Waveform Inversion: A Study on…

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Magnetic data inversion is an important tool in geophysics, used to infer subsurface magnetic susceptibility distributions from surface magnetic field measurements. This inverse problem is inherently ill-posed, characterized by non-unique…

Turbulence is still one of the main challenges for accurately predicting reactive flows. Therefore, the development of new turbulence closures which can be applied to combustion problems is essential. Data-driven modeling has become very…

The recent advances in the data science field in the last few decades have benefitted many other fields including Structural Health Monitoring (SHM). Particularly, Artificial Intelligence (AI) such as Machine Learning (ML) and Deep Learning…

Machine Learning · Computer Science 2023-05-17 Furkan Luleci , F. Necati Catbas , Onur Avci

Accurately characterizing migration velocity models is crucial for a wide range of geophysical applications, from hydrocarbon exploration to monitoring of CO2 sequestration projects. Traditional velocity model building methods such as…

Machine Learning · Computer Science 2024-11-15 Rafael Orozco , Huseyin Tuna Erdinc , Yunlin Zeng , Mathias Louboutin , Felix J. Herrmann

The data-driven approach has been demonstrated as a promising technique to solve complicated scientific problems. Full Waveform Inversion (FWI) is commonly epitomized as an image-to-image translation task, which motivates the use of deep…

Machine Learning · Computer Science 2021-11-30 Chengyuan Deng , Youzuo Lin

Estimating spatially distributed properties such as hydraulic conductivity (K) from available sparse measurements is a great challenge in subsurface characterization. However, the use of inverse modeling is limited for ill-posed,…

Machine Learning · Computer Science 2023-10-11 Jichao Bao , Hongkyu Yoon , Jonghyun Lee

In this paper, we present a simple approach to train Generative Adversarial Networks (GANs) in order to avoid a \textit {mode collapse} issue. Implicit models such as GANs tend to generate better samples compared to explicit models that are…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Seyed Mehdi Iranmanesh , Nasser M. Nasrabadi

Our paper addresses the complex task of transferring a hairstyle from a reference image to an input photo for virtual hair try-on. This task is challenging due to the need to adapt to various photo poses, the sensitivity of hairstyles, and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Maxim Nikolaev , Mikhail Kuznetsov , Dmitry Vetrov , Aibek Alanov

There remains an important need for the development of image reconstruction methods that can produce diagnostically useful images from undersampled measurements. In magnetic resonance imaging (MRI), for example, such methods can facilitate…

Image and Video Processing · Electrical Eng. & Systems 2021-06-28 Varun A. Kelkar , Sayantan Bhadra , Mark A. Anastasio

An important aspect of developing reliable deep learning systems is devising strategies that make these systems robust to adversarial attacks. There is a long line of work that focuses on developing defenses against these attacks, but…

Machine Learning · Computer Science 2023-06-09 Darshan Thaker , Paris Giampouras , René Vidal

Remarkable achievements have been attained with Generative Adversarial Networks (GANs) in image-to-image translation. However, due to a tremendous amount of parameters, state-of-the-art GANs usually suffer from low efficiency and bulky…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Linfeng Zhang , Xin Chen , Xiaobing Tu , Pengfei Wan , Ning Xu , Kaisheng Ma

Image denoising plays a critical role in biomedical and microscopy imaging, especially when acquiring wide-field fluorescence-stained images. This task faces challenges in multiple fronts, including limitations in image acquisition…

Image and Video Processing · Electrical Eng. & Systems 2026-05-26 Qijun Yang , Yating Huang , Lintao Xiang , Hujun Yin

Random noise arising from physical processes is an inherent characteristic of measurements and a limiting factor for most signal processing and data analysis tasks. Given the recent interest in generative adversarial networks (GANs) for…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Adam Wunderlich , Jack Sklar

Generative adversarial networks (GANs) are one of the most widely used generative models. GANs can learn complex multi-modal distributions, and generate real-like samples. Despite the major success of GANs in generating synthetic data, they…

Machine Learning · Computer Science 2021-09-07 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

This paper presents a methodology and workflow that overcome the limitations of the conventional Generative Adversarial Networks (GANs) for geological facies modeling. It attempts to improve the training stability and guarantee the…

Machine Learning · Computer Science 2019-09-25 Lingchen Zhu , Tuanfeng Zhang

Missing/erroneous data is a major problem in today's world. Collected seismic data sometimes contain gaps due to multitude of reasons like interference and sensor malfunction. Gaps in seismic waveforms hamper further signal processing to…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Anshuman Gaharwar , Parth Parag Kulkarni , Joshua Dickey , Mubarak Shah

We propose a parallel-data-free voice-conversion (VC) method that can learn a mapping from source to target speech without relying on parallel data. The proposed method is general purpose, high quality, and parallel-data free and works…

Machine Learning · Statistics 2017-12-21 Takuhiro Kaneko , Hirokazu Kameoka

Generative Adversarial Networks (GANs) are the most popular image generation models that have achieved remarkable progress on various computer vision tasks. However, training instability is still one of the open problems for all GAN-based…

Image and Video Processing · Electrical Eng. & Systems 2022-07-20 Ziqiang Li , Pengfei Xia , Rentuo Tao , Hongjing Niu , Bin Li

Generative adversarial networks (GANs) learn a deep generative model that is able to synthesise novel, high-dimensional data samples. New data samples are synthesised by passing latent samples, drawn from a chosen prior distribution,…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Antonia Creswell , Anil A Bharath

Imaging Earth structure or seismic sources from seismic data involves minimizing a target misfit function, and is commonly solved through gradient-based optimization. The adjoint-state method has been developed to compute the gradient…

Computational Physics · Physics 2021-04-28 Weiqiang Zhu , Kailai Xu , Eric Darve , Gregory C. Beroza