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Segmentation of lymphoma lesions is challenging due to their varied sizes and locations in whole-body PET scans. This work presents a fully-automated segmentation technique using a multi-center dataset of diffuse large B-cell lymphoma…

Deep convolutional neural networks (CNN) have recently been shown in many computer vision and pattern recog- nition applications to outperform by a significant margin state- of-the-art solutions that use traditional hand-crafted features.…

Robotics · Computer Science 2015-04-22 Yi Hou , Hong Zhang , Shilin Zhou

Robotic grasp detection for novel objects is a challenging task, but for the last few years, deep learning based approaches have achieved remarkable performance improvements, up to 96.1% accuracy, with RGB-D data. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Dongwon Park , Yonghyeok Seo , Se Young Chun

We address the problem of contour detection via per-pixel classifications of edge point. To facilitate the process, the proposed approach leverages with DenseNet, an efficient implementation of multiscale convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2015-05-13 Jyh-Jing Hwang , Tyng-Luh Liu

We introduce a novel weighted convolution operator that enhances traditional convolutional neural networks (CNNs) by integrating a spatial density function into the convolution operator. This extension enables the network to differentially…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Simone Cammarasana , Giuseppe Patanè

We have developed a photon counting detector system for combined neutron and gamma radiography which can determine position, time and intensity of a secondary photon flash created by a high-energy particle or photon within a scintillator…

An experimental setup is proposed for the precise measurement of the quantum states of ultracold neutrons bound in the earth's gravitational field. The experiment utilizes a CCD-based pixel sensor and magnification system to observe the…

Instrumentation and Detectors · Physics 2009-01-06 T. Sanuki , S. Komamiya , S. Kawasaki , S. Sonoda

Detailed characterization of the newly available plastic scintillator (EJ-299-33A) having the pulse shape discrimination (PSD) property has been carried out in case of a large-sized detector (5 in.$\times$5 in.). The pulse height response…

Instrumentation and Detectors · Physics 2020-12-08 Pratap Roy , K. Banerjee , A. K. Saha , C. Bhattacharya , J. K. Meenaa , P. Bhaskar , S. Mukhopadhyay , S. Bhattacharya

This paper presents a deep learning approach for the classification of Engineering (CAD) models using Convolutional Neural Networks (CNNs). Owing to the availability of large annotated datasets and also enough computational power in the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Bharadwaj Manda , Pranjal Bhaskare , Ramanathan Muthuganapathy

Deep learning has revolutionized the computer vision and image classification domains. In this context Convolutional Neural Networks (CNNs) based architectures are the most widely applied models. In this article, we introduced two…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Seyedsaman Emami , Gonzalo Martínez-Muñoz

A method that uses fuzzy clustering algorithms to achieve particle identification based on pulse shape analysis is presented. The fuzzy c-means clustering algorithm is used to compute mean (principal) pulse shapes induced by different…

Structural magnetic resonance imaging (MRI) has been widely utilized for analysis and diagnosis of brain diseases. Automatic segmentation of brain tumors is a challenging task for computer-aided diagnosis due to low-tissue contrast in the…

Image and Video Processing · Electrical Eng. & Systems 2020-11-22 Mohammad Hamghalam , Baiying Lei , Tianfu Wang

A new type of neutron detector, named Stack Structure Solid organic Scintillator (S$^4$), consisting of multi-layer plastic scintillators with capability to suppress low-energy $\gamma$ rays under high-counting rate has been constructed and…

This article presents a physics-informed deep learning method for the quantitative estimation of the spatial coordinates of gamma interactions within a monolithic scintillator, with a focus on Positron Emission Tomography (PET) imaging. A…

This chapter presents a methodology for diagnosis of pigmented skin lesions using convolutional neural networks. The architecture is based on convolu-tional neural networks and it is evaluated using new CNN models as well as re-trained…

Image and Video Processing · Electrical Eng. & Systems 2020-09-02 Prasitthichai Naronglerdrit , Iosif Mporas

State-of-the-art radio observatories produce large amounts of data which can be used to study the properties of radio galaxies. However, with this rapid increase in data volume, it has become unrealistic to manually process all of the…

Instrumentation and Methods for Astrophysics · Physics 2023-04-12 Kevin Brand , Trienko L. Grobler , Waldo Kleynhans , Mattia Vaccari , Matthew Prescott , Burger Becker

It remains a challenge to efficiently extract spatialtemporal information from skeleton sequences for 3D human action recognition. Although most recent action recognition methods are based on Recurrent Neural Networks which present…

Computer Vision and Pattern Recognition · Computer Science 2017-06-08 Hong Liu , Juanhui Tu , Mengyuan Liu

Pulmonary nodule detection plays an important role in lung cancer screening with low-dose computed tomography (CT) scans. It remains challenging to build nodule detection deep learning models with good generalization performance due to…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Yuemeng Li , Yong Fan

Autonomous Raman instruments on Mars rovers, deep-sea landers, and field robots must interpret raw spectra distorted by fluorescence baselines, peak shifts, and limited ground-truth labels. Using curated subsets of the RRUFF database, we…

Machine Learning · Computer Science 2025-10-01 Deniz Soysal , Xabier García-Andrade , Laura E. Rodriguez , Pablo Sobron , Laura M. Barge , Renaud Detry

The convolutional neural network (CNN) has become a powerful tool for various biomedical image analysis tasks, but there is a lack of visual explanation for the machinery of CNNs. In this paper, we present a novel algorithm,…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Guannan Zhao , Bo Zhou , Kaiwen Wang , Rui Jiang , Min Xu
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