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Convolutional Neural Networks (CNN) have emerged as powerful tools for learning discriminative image features. In this paper, we propose a framework of 3-D fully CNN models for Glioblastoma segmentation from multi-modality MRI data. By…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Darvin Yi , Mu Zhou , Zhao Chen , Olivier Gevaert

Gamma-ray emission from special nuclear material (SNM) is relatively easy to shield from detection using modest amounts of high-Z material. In contrast, fast-neutrons are much more penetrating and can escape relatively thick high-Z…

Instrumentation and Detectors · Physics 2022-12-14 Viacheslav A. Li , Felicia Sutanto , Timothy M. Classen , Steven A. Dazeley , Igor Jovanovic , Tingshiuan C. Wu

A method for reconstructing the direction of a fast neutron source using a segmented organic scintillator-based detector and deep learning model is proposed and analyzed. The model is based on recurrent neural network, which can be trained…

Instrumentation and Detectors · Physics 2023-01-27 Jun Woo Bae , Tingshiuan C. Wu , Igor Jovanovic

In a dedicated test setup at the Kamioka Observatory we studied pulse shape discrimination (PSD) in liquid xenon (LXe) for dark matter searches. PSD in LXe was based on the observation that scintillation light from electron events was…

Deep convolutional neural networks (CNNs) have emerged as a new paradigm for Mammogram diagnosis. Contemporary CNN-based computer-aided-diagnosis (CAD) for breast cancer directly extract latent features from input mammogram image and ignore…

Image and Video Processing · Electrical Eng. & Systems 2020-08-13 Heyi Li , Dongdong Chen , William H. Nailon , Mike E. Davies , David Laurenson

When solving a segmentation task, shaped-base methods can be beneficial compared to pixelwise classification due to geometric understanding of the target object as shape, preventing the generation of anatomical implausible predictions in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Ron Keuth , Mattias Heinrich

A novel method images to estimate cosmological parameters based on images is presented. In this paper, we demonstrate the use of a convolutional neural network (CNN) for constraining the mass of dark matter particle. For this purpose, we…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-08 Koya Murakami , Atsushi J. Nishizawa

We report on the results of the positional-dependent pulse shape discrimination (PSD) parameter observed within a monolithic CLLB scintillation crystal. CLLB, a relatively novel inorganic scintillation crystal, is capable of PSD between…

Instrumentation and Detectors · Physics 2020-12-16 Richard S. Woolf , Bernard F. Phlips , Anthony L. Hutcheson , Andrew D. Maris , Eric A. Wulf

RGB-D semantic segmentation can be advanced with convolutional neural networks due to the availability of Depth data. Although objects cannot be easily discriminated by just the 2D appearance, with the local pixel difference and geometric…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Jun Yang , Lizhi Bai , Yaoru Sun , Chunqi Tian , Maoyu Mao , Guorun Wang

Superheated drop detector (SDD) consisting of drops of superheated liquid of halocarbon is irradiated to neutrons and gamma-rays from 252Cf fission neutron source and 137Cs gamma source separately. The analysis of pulse height of the…

Instrumentation and Detectors · Physics 2014-11-21 Mala Das , S Seth , S Saha , S Bhattacharya , P Bhattacharjee

NuSD: Neutrino Segmented Detector is a Geant4-based user application that simulates inverse beta decay event in a variety of segmented scintillation detectors developed by different international collaborations. This simulation framework…

High Energy Physics - Experiment · Physics 2022-09-28 Mustafa Kandemir , Emrah Tiras , Vincent Fischer

A Convolutional Neural Network architecture was used to classify various isotopes of time-sequenced gamma-ray spectra, a typical output of a radiation detection system of a type commonly fielded for security or environmental measurement…

Applied Physics · Physics 2019-08-30 Eric T. Moore , William P. Ford , Emma J. Hague , Johanna Turk

This work investigates the detection of binary neutron stars gravitational wave based on convolutional neural network (CNN). To promote the detection performance and efficiency, we proposed a scheme based on wavelet packet (WP)…

Instrumentation and Methods for Astrophysics · Physics 2023-12-27 Baijiong Lin , Xiangru Li , Woliang Yu

Automated methods for breast cancer detection have focused on 2D mammography and have largely ignored 3D digital breast tomosynthesis (DBT), which is frequently used in clinical practice. The two key challenges in developing automated…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Yu Zhang , Xiaoqin Wang , Hunter Blanton , Gongbo Liang , Xin Xing , Nathan Jacobs

In this contribution we report on further investigations of the recently-evaluated Constant-Fraction Time-over-Threshold (CF-ToT) method for neutron/gamma-ray pulse shape discrimination (PSD). The superiority of the CF-ToT PSD method over…

Instrumentation and Detectors · Physics 2023-05-31 A. Roy , D. Vartsky , I. Mor , C. Boiano , S. Brambilla , S. Riboldi , E. O. Cohen , Y. Yehuda-Zada , A. Beck , L. Arazi

The General Antiparticle Spectrometer (GAPS) is a balloon-borne experiment that aims to measure low-energy cosmic-ray antiparticles. GAPS has developed a new antiparticle identification technique based on exotic atom formation caused by…

Instrumentation and Methods for Astrophysics · Physics 2023-04-20 Masahiro Yamatani , Yusuke Nakagami , Hideyuki Fuke , Akiko Kawachi , Masayoshi Kozai , Yuki Shimizu , Tetsuya Yoshida

We developed machine learning algorithms for distinguishing scintillation signals from a plastic-liquid coupled detector known as a phoswich. The challenge lies in discriminating signals from organic scintillators with similar shapes and…

Instrumentation and Detectors · Physics 2024-03-07 Yujin Lee , Jinyoung Kim , Byoung-cheol Koh , Young Soo Yoon , Chang Hyon Ha

We report the first clear observation of neutron/gamma-ray pulse-shape sensitivity of a fully-instrumented 8 $\times$ 8 array of plastic scintillator segments coupled to two 5 cm $\times$ 5 cm 64-channel SiPM arrays as part of a study of…

A novel image analysis algorithm as applied to images of Nuclear Track Detectors (NTD) is presented. This process, involving sequential application of deconvolution and convolution techniques, followed by the application of Artificial…

Image and Video Processing · Electrical Eng. & Systems 2020-05-18 Joydeep Chatterjee , Rupamoy Bhattacharyya , Atanu Maulik , Kanik Palodhi

Ultrasound images are one of the most widely used techniques in clinical settings to analyze and detect different organs for study or diagnoses of diseases. The dependence on subjective opinions of experts such as radiologists calls for an…

Image and Video Processing · Electrical Eng. & Systems 2019-11-25 Ruturaj Gole , Haixia Wu , Subho Ghose