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In this paper, we explore how synthetically generated 3D face models can be used to construct a high accuracy ground truth for depth. This allows us to train the Convolutional Neural Networks (CNN) to solve facial depth estimation problems.…

图像与视频处理 · 电气工程与系统科学 2020-03-27 Faisal Khan , Shubhajit Basak , Hossein Javidnia , Michael Schukat , Peter Corcoran

The interpretation of seismic data is vital for characterizing sediments' shape in areas of geological study. In seismic interpretation, deep learning becomes useful for reducing the dependence on handcrafted facies segmentation geometry…

图像与视频处理 · 电气工程与系统科学 2022-04-20 Gefersom Lima , Gabriel Ramos , Sandro Rigo , Felipe Zeiser , Ariane da Silveira

Generalization is essential for deep learning. In contrast to previous works claiming that Deep Neural Networks (DNNs) have an implicit regularization implemented by the stochastic gradient descent, we demonstrate explicitly Bayesian…

机器学习 · 计算机科学 2019-10-23 Xinjie Lan , Kenneth E. Barner

In this study we perform online sea ice bias correction within a GFDL global ice-ocean model. For this, we use a convolutional neural network (CNN) which was developed in a previous study (Gregory et al., 2023) for the purpose of predicting…

大气与海洋物理 · 物理学 2024-02-01 William Gregory , Mitchell Bushuk , Yongfei Zhang , Alistair Adcroft , Laure Zanna

In the geophysical field, seismic noise attenuation has been considered as a critical and long-standing problem, especially for the pre-stack data processing. Here, we propose a model to leverage the deep-learning model for this task.…

机器学习 · 计算机科学 2019-10-29 Xing Zhao , Ping Lu , Yanyan Zhang , Jianxiong Chen , Xiaoyang Li

Deep learning applications are drastically progressing in seismic processing and interpretation tasks. However, the majority of approaches subsample data volumes and restrict model sizes to minimise computational requirements. Subsampling…

地球物理 · 物理学 2021-02-26 Claire Birnie , Haithem Jarraya , Fredrik Hansteen

Traditional physics-based approaches to infer sub-surface properties such as full-waveform inversion or reflectivity inversion are time-consuming and computationally expensive. We present a deep-learning technique that eliminates the need…

Convolutional Neural Networks (CNNs) trained on large scale RGB databases have become the secret sauce in the majority of recent approaches for object categorization from RGB-D data. Thanks to colorization techniques, these methods exploit…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Fabio Maria Carlucci , Paolo Russo , Barbara Caputo

This paper investigates the piracy problem of deep learning models. Designing and training a well-performing model is generally expensive. However, when releasing them, attackers may reverse engineer the models and pirate their design. This…

密码学与安全 · 计算机科学 2018-06-28 Hui Xu , Yuxin Su , Zirui Zhao , Yangfan Zhou , Michael R. Lyu , Irwin King

Reliable earthquake forecasting methods have long been sought after, and so the rise of modern data science techniques raises a new question: does deep learning have the potential to learn this pattern? In this study, we leverage the large…

地球物理 · 物理学 2023-07-06 Jonas Koehler , Wei Li , Johannes Faber , Georg Ruempker , Nishtha Srivastava

Serotonergic neurons in the raphe nuclei exhibit diverse electrophysiological properties and functional roles, yet conventional identification methods rely on restrictive criteria that likely overlook atypical serotonergic cells. The use of…

神经元与认知 · 定量生物学 2024-07-09 Daniele Corradetti , Alessandro Bernardi , Renato Corradetti

Biometrics emerged as a robust solution for security systems. However, given the dissemination of biometric applications, criminals are developing techniques to circumvent them by simulating physical or behavioral traits of legal users…

计算机视觉与模式识别 · 计算机科学 2018-10-12 Gustavo Botelho de Souza , João Paulo Papa , Aparecido Nilceu Marana

Seismic coherent noise is often found in post-stack seismic data, which contaminates the resolution and integrity of seismic images. It is difficult to remove the coherent noise since the features of coherent noise, e.g., frequency, is…

地球物理 · 物理学 2023-05-17 Xiao Ma , Gang Yao , Sanyi Yuan , Feng Zhang , Di Wu

Data-driven methods such as convolutional neural networks (CNNs) are known to deliver state-of-the-art performance on image recognition tasks when the training data are abundant. However, in some instances, such as change detection in…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Maria Kolos , Anton Marin , Alexey Artemov , Evgeny Burnaev

Seismic data processing involves techniques to deal with undesired effects that occur during acquisition and pre-processing. These effects mainly comprise coherent artefacts such as multiples, non-coherent signals such as electrical noise,…

信号处理 · 电气工程与系统科学 2023-06-14 Ricard Durall , Ammar Ghanim , Mario Fernandez , Norman Ettrich , Janis Keuper

This research addresses the challenge of characterizing the complexity and unpredictability of basins within various dynamical systems. The main focus is on demonstrating the efficiency of convolutional neural networks (CNNs) in this field.…

机器学习 · 计算机科学 2024-06-18 David Valle , Alexandre Wagemakers , Miguel A. F. Sanjuán

Deep CNNs are known to exhibit the following peculiarity: on the one hand they generalize extremely well to a test set, while on the other hand they are extremely sensitive to so-called adversarial perturbations. The extreme sensitivity of…

机器学习 · 计算机科学 2017-12-01 Jason Jo , Yoshua Bengio

We present a framework that enables estimation of low-dimensional sub-resolution reservoir properties directly from seismic data, without requiring the solution of a high dimensional seismic inverse problem. Our workflow is based on the…

地球物理 · 物理学 2019-05-15 Anshuman Pradhan , Tapan Mukerji

Synthetic training data has gained prominence in numerous learning tasks and scenarios, offering advantages such as dataset augmentation, generalization evaluation, and privacy preservation. Despite these benefits, the efficiency of…

机器学习 · 计算机科学 2024-03-21 Jianhao Yuan , Jie Zhang , Shuyang Sun , Philip Torr , Bo Zhao

An important step of seismic data processing is removing noise, including interference due to simultaneous and blended sources, from the recorded data. Traditional methods are time-consuming to apply as they often require manual choosing of…

图像与视频处理 · 电气工程与系统科学 2019-07-03 Alan Richardson , Caelen Feller