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In this work we demonstrate the efficacy of neural networks in the characterization of dispersive media. We also develop a neural network to make predictions for input probe pulses which propagate through a nonlinear dispersive medium,…

Optics · Physics 2019-12-02 Sanjaya Lohani , Erin M. Knutson , Wenlei Zhang , Ryan T. Glasser

This paper describes the extension and optimization of our previous work on very deep convolutional neural networks (CNNs) for effective recognition of noisy speech in the Aurora 4 task. The appropriate number of convolutional layers, the…

Computation and Language · Computer Science 2016-10-04 Yanmin Qian , Philip C Woodland

The recent advances brought by deep learning allowed to improve the performance in image retrieval tasks. Through the many convolutional layers, available in a Convolutional Neural Network (CNN), it is possible to obtain a hierarchy of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-16 Federico Magliani , Tomaso Fontanini , Andrea Prati

Future large-scale surveys with high resolution imaging will provide us with a few $10^5$ new strong galaxy-scale lenses. These strong lensing systems however will be contained in large data amounts which are beyond the capacity of human…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 C. Schaefer , M. Geiger , T. Kuntzer , J-P. Kneib

Breast cancer has the highest incidence and second highest mortality rate for women in the US. Our study aims to utilize deep learning for benign/malignant classification of mammogram tumors using a subset of cases from the Digital Database…

Computer Vision and Pattern Recognition · Computer Science 2017-05-19 Darvin Yi , Rebecca Lynn Sawyer , David Cohn , Jared Dunnmon , Carson Lam , Xuerong Xiao , Daniel Rubin

Several machine learning techniques for accurate detection of skin cancer from medical images have been reported. Many of these techniques are based on pre-trained convolutional neural networks (CNNs), which enable training the models based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Aqsa Saeed Qureshi , Teemu Roos

X-ray photon-counting detectors (PCDs) are drawing an increasing attention in recent years due to their low noise and energy discrimination capabilities. The energy/spectral dimension associated with PCDs potentially brings great benefits…

Medical Physics · Physics 2020-07-08 Mengzhou Li , David S. Rundle , Ge Wang

In recent years, convolutional neural network (CNN) and other deep learning models have been gradually introduced into the area of gravitational-wave (GW) data processing. Compared with the traditional matched-filtering techniques, CNN has…

High Energy Astrophysical Phenomena · Physics 2021-01-22 Heming Xia , Lijing Shao , Junjie Zhao , Zhoujian Cao

We propose a new method for creating computationally efficient convolutional neural networks (CNNs) by using low-rank representations of convolutional filters. Rather than approximating filters in previously-trained networks with more…

Computer Vision and Pattern Recognition · Computer Science 2016-11-30 Yani Ioannou , Duncan Robertson , Jamie Shotton , Roberto Cipolla , Antonio Criminisi

Supermassive black hole binaries are one of the primary targets for gravitational wave searches using pulsar timing arrays. Gravitational wave signals from such systems are well represented by parametrized models, allowing the standard…

Instrumentation and Methods for Astrophysics · Physics 2016-01-25 Yan Wang , Soumya D. Mohanty , Fredrick A. Jenet

In this paper, an efficient super-resolution (SR) method based on deep convolutional neural network (CNN) is proposed, namely Gradual Upsampling Network (GUN). Recent CNN based SR methods often preliminarily magnify the low resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Yang Zhao , Guoqing Li , Wenjun Xie , Wei Jia , Hai Min , Xiaoping Liu

The next generation of data-intensive surveys are bound to produce a vast amount of data, which can be dealt with using machine-learning methods to explore possible correlations within the multi-dimensional parameter space. We explore the…

Context. Convolutional neural networks (CNNs) have been proven to perform fast classification and detection on natural images and have potential to infer astrophysical parameters on the exponentially increasing amount of sky survey imaging…

Astrophysics of Galaxies · Physics 2019-01-16 J. Bialopetravičius , D. Narbutis , V. Vansevičius

Malignant pleural mesothelioma (MPM) is the most common form of mesothelioma. To assess response to treatment, tumor measurements are acquired and evaluated based on a patient's longitudinal computed tomography (CT) scans. Tumor volume,…

We develop and evaluate a deep learning algorithm to classify multiple catheters on neonatal chest and abdominal radiographs. A convolutional neural network (CNN) was trained using a dataset of 777 neonatal chest and abdominal radiographs,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Robert D. E. Henderson , Xin Yi , Scott J. Adams , Paul Babyn

PURPOSE: Real-time assessment of ventricular volumes requires high acceleration factors. Residual convolutional neural networks (CNN) have shown potential for removing artifacts caused by data undersampling. In this study we investigated…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Andreas Hauptmann , Simon Arridge , Felix Lucka , Vivek Muthurangu , Jennifer A. Steeden

Advances in deep learning for natural images have prompted a surge of interest in applying similar techniques to medical images. The majority of the initial attempts focused on replacing the input of a deep convolutional neural network with…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Krzysztof J. Geras , Stacey Wolfson , Yiqiu Shen , Nan Wu , S. Gene Kim , Eric Kim , Laura Heacock , Ujas Parikh , Linda Moy , Kyunghyun Cho

Lung Cancer is the most common cause of cancer-related death worldwide. Early and automatic diagnosis of Solitary Pulmonary Nodules (SPN) in Computer Tomography (CT) chest scans can provide early treatment as well as doctor liberation from…

Image and Video Processing · Electrical Eng. & Systems 2020-03-31 Ioannis D. Apostolopoulos

Machine learning models can greatly improve the search for strong gravitational lenses in imaging surveys by reducing the amount of human inspection required. In this work, we test the performance of supervised, semi-supervised, and…

Astrophysics of Galaxies · Physics 2023-08-17 Keerthi Vasan G. C. , Stephen Sheng , Tucker Jones , Chi Po Choi , James Sharpnack

We use CNNs to build a system that both classifies images of faces based on a variety of different facial attributes and generates new faces given a set of desired facial characteristics. After introducing the problem and providing context…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Hardie Cate , Fahim Dalvi , Zeshan Hussain
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