Results 61 to 70 of about 9,948,343 (299)

An importance sampling algorithm for generating exact eigenstates of the nuclear Hamiltonian

, 2003
We endow a recently devised algorithm for generating exact eigensolutions of large matrices with an importance sampling, which is in control of the extent and accuracy of the truncation of their dimensions. We made several tests on typical nuclei using a
A Porrino, Andreozzi F, Andreozzi F, Andreozzi F, Andreozzi F, Brandolini F, Caurier E, Davidson E R, F Andreozzi, Golub G H, Honma M, Horoi M, Horoi M, Horoi M, Johnson C W, Machleidt R, N Lo Iudice, Nightingale M P, Ormand W E, Otsuka T, Shavitt I, Varga K, White J A, Wilkinson J H   +23 more
core   +1 more source

Energy Preserved Sampling for Compressed Sensing MRI [PDF]

Computational and Mathematical Methods in Medicine, 2014
The sampling patterns, cost functions, and reconstruction algorithms play important roles in optimizing compressed sensing magnetic resonance imaging (CS-MRI). Simple random sampling patterns did not take into account the energy distribution ink-space and resulted in suboptimal reconstruction of MR images.
Zhang, Yudong, Peterson, Bradley S., Ji, Genlin, Dong, Zhengchao   +3 more
openaire   +2 more sources

Spinal Cord Infarction Versus Idiopathic Transverse Myelitis: Clinical, Radiological, and Functional Insights From a Retrospective Cohort Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Spinal cord infarction (SCI) is a rare but devastating myelopathy, characterized by a high disability rate and an unfavorable prognosis. It has often been underdiagnosed and misdiagnosed as idiopathic transverse myelitis (ITM). This study aimed to describe the clinical features, radiological biomarkers, treatments, and functional ...
Zeqiang Ji, Jianlong Zhang, Yiming Shi, Shiyu Shan, Yang Du, Guangshuo Li, Ying Jin, Yani Zhang, Chuanying Wang, Yijun Lin, Yuhao Guo, Decai Tian, Xingquan Zhao, Tian Song   +13 more
wiley   +1 more source

Compressed Measurements Based Spectrum Sensing for Wideband Cognitive Radio Systems

International Journal of Antennas and Propagation, 2015
Spectrum sensing is the most important component in the cognitive radio (CR) technology. Spectrum sensing has considerable technical challenges, especially in wideband systems where higher sampling rates are required which increases the complexity and ...
Taha A. Khalaf, Mohammed Y. Abdelsadek, Mohammed Farrag   +2 more
doaj   +1 more source

Sample Distortion for Compressed Imaging

, 2013
We propose the notion of a sample distortion (SD) function for independent and identically distributed (i.i.d) compressive distributions to fundamentally quantify the achievable reconstruction performance of compressed sensing for certain encoder-decoder
Davies, Mike E., Guo, Chunli
core   +1 more source

Imaging via Compressive Sampling [PDF]

IEEE Signal Processing Magazine, 2008
Image compression algorithms convert high-resolution images into a relatively small bit streams in effect turning a large digital data set into a substantially smaller one. This article introduces compressive sampling and recovery using convex programming.
openaire   +1 more source

Green Compressive Sampling Reconstruction in IoT Networks [PDF]

Sensors, 2018
In this paper, we address the problem of green Compressed Sensing (CS) reconstruction within Internet of Things (IoT) networks, both in terms of computing architecture and reconstruction algorithms. The approach is novel since, unlike most of the literature dealing with energy efficient gathering of the CS measurements, we focus on the energy ...
COLONNESE, Stefania, BIAGI, MAURO, Tiziana Cattai, Roberto Cusani, Fabrizio De Vico Fallani, SCARANO, Gaetano   +5 more
openaire   +5 more sources

Impact of Asymptomatic Intracranial Hemorrhage on Outcome After Endovascular Stroke Treatment

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Endovascular treatment (EVT) achieves high rates of recanalization in acute large‐vessel occlusion (LVO) stroke, but functional recovery remains heterogeneous. While symptomatic intracranial hemorrhage (sICH) has been well studied, the prognostic impact of asymptomatic intracranial hemorrhage (aICH) after EVT is less certain ...
Shihai Yang, Chengsong Yue, Zhuang Li, Xiaolei Shi, Haoxuan Zhu, Jie Yang, Linyu Li, Jiaxing Song, Shitao Fan, Gaoming Li, Wenzhe Sun, Zhixian Ye, Jiacheng Huang, Dahong Yang, Jinfu Ma, Xu Xu, Zhixi Wang, Lilan Wang, Guojian Liu, Fengli Li, Changwei Guo, Li Qi, Wenjie Zi   +22 more
wiley   +1 more source

Fuzzy Adaptive-Sampling Block Compressed Sensing for Wireless Multimedia Sensor Networks

Sensors, 2020
The transmission of high-volume multimedia content (e.g., images) is challenging for a resource-constrained wireless multimedia sensor network (WMSN) due to energy consumption requirements.
Sovannarith Heng, Phet Aimtongkham, Van Nhan Vo, Tri Gia Nguyen, Chakchai So-In   +4 more
doaj   +1 more source

A Compressed Sampling and Dictionary Learning Framework for WDM-Based Distributed Fiber Sensing

, 2017
We propose a compressed sampling and dictionary learning framework for fiber-optic sensing using wavelength-tunable lasers. A redundant dictionary is generated from a model for the reflected sensor signal. Imperfect prior knowledge is considered in terms
Weiss, Christian, Zoubir, Abdelhak M.
core   +1 more source