Results 51 to 60 of about 15,298 (164)

Hidden Markov graphical models with state‐dependent generalized hyperbolic distributions

Canadian Journal of Statistics, EarlyView.
Abstract In this article, we develop a novel hidden Markov graphical model to investigate time‐varying interconnectedness between different financial markets. To identify conditional correlation structures under varying market conditions and accommodate shape features embedded in financial time series, we rely upon the generalized hyperbolic family of ...
Beatrice Foroni, Luca Merlo, Lea Petrella   +2 more
wiley   +1 more source

AI‐Powered Gradient Echo Plural Contrast Imaging (AI‐GEPCI)—A Comprehensive Neurological Protocol From a Single MRI Scan

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background MRI is essential for diagnosing and monitoring neurological diseases. Conventional protocols require multiple sequences to obtain complementary contrasts, increasing scan time, cost, and tolerability. Generating multiple contrasts from a single acquisition may streamline workflow while maintaining clinical utility.
Jeramy Lewis, Manu S. Goyal, Gregory F. Wu, Yuyang Hu, Alexander L. Sukstanskii, Satya V. V. N. Kothapalli, Anne H. Cross, Ulugbek Kamilov, Dmitriy A. Yablonskiy   +8 more
wiley   +1 more source

Fading Correlations for Wireless Cooperative Communications: Diversity and Coding Gains

IEEE Access, 2017
We theoretically analyze outage probabilities of the lossy-forward (LF), decode-andforward (DF), and adaptive decode-and-forward (ADF) relaying techniques, with the aim of characterizing the impact of the spatial and temporal correlations of the fading ...
Shen Qian, Jiguang He, Markku Juntti, Tad Matsumoto   +3 more
doaj   +1 more source

Joint Optimal Design for Outage Minimization in DF Relay-assisted Underwater Acoustic Networks

, 2018
This letter minimizes outage probability in a single decode-and-forward (DF) relay-assisted underwater acoustic network (UAN) without direct source-to-destination link availability.
Hossain, Ashraf, Mishra, Deepak, Prasad, Ganesh   +2 more
core   +1 more source

How do gestural interactions support visuospatial cognition in STEM learning?

British Journal of Educational Technology, EarlyView.
Abstract Existing literature shows that touchscreen devices can support learning of visuospatially rich STEM content. However, the mechanisms by which touchscreen devices support cognition in learning remains unclear. This study examined how gestural interactions afforded by touchscreen devices support visuospatial cognition in STEM learning by ...
Zhen Xu, Pasha Antonenko, Kara M. Dawson, Do Hyong Koh, Christine Wusylko   +4 more
wiley   +1 more source

Performance of DF Incremental Relaying with Energy Harvesting Relays in Underlay CRNs

, 2017
In this paper, we analyze the throughput performance of incremental relaying using energy harvesting (EH) decode-and-forward (DF) relays in underlay cognitive radio networks (CRNs).
Janghel, Komal, Prakriya, Shankar
core   +1 more source

Sex‐specific differences in the prevalence of intermediate hyperglycaemia states: A systematic review and meta‐analysis

Diabetic Medicine, EarlyView.
There are sex‐specific disparities in the prevalence of different isolated intermediate hyperglycaemic states, which, in the context of clinical guidance to use FPG or HbA1c for identification, may contribute to underdiagnosis and undertreatment in primary care and introduce ascertainment bias into research and policy. Abstract Aims To evaluate the sex‐
Louise Cooper, Ian Porter, Claire Meek, Simon J. Griffin, Amy Ahern   +4 more
wiley   +1 more source

Constitution and function of intergenic genome regions in cultivated versus annual wild soybean in China

Journal of Integrative Plant Biology, EarlyView.
Three‐case restricted two‐stage multi‐locus multi‐allele genome‐wide association study identified main‐effect genes and detected the regulatory effects of intergenic loci on genes, enabling comprehensive dissection of the genic‐intergenic genetic system for quantitative traits and providing a strategy for studying their genetic basis.
Xiaoshuai Hao, Xinyang Hu, Yongpeng Pan, Qi Zhang, Ran Ou, Fenfen Jiang, Fangdong Liu, Jiaoping Zhang, Wubin Wang, Guangnan Xing, Junyi Gai, Jianbo He   +11 more
wiley   +1 more source

Optimal Relay Selection for Physical-Layer Security in Cooperative Wireless Networks

, 2013
In this paper, we explore the physical-layer security in cooperative wireless networks with multiple relays where both amplify-and-forward (AF) and decode-and-forward (DF) protocols are considered.
Shen, Weiming, Wang, Xianbin, Zou, Yulong   +2 more
core   +1 more source

Preservation of positive emotion recognition in patients with multiple sclerosis: Artefact related to methodological issues or real feature of the disorder?

Journal of Neuropsychology, EarlyView.
Abstract Prior studies in multiple sclerosis (MS) suggest preserved recognition of positive emotions despite deficits for negative ones, but this dissociation may reflect methodological limitations (valence‐asymmetry: positive‐valence being limited to happiness/joy in basic‐emotion sets). This study tested whether emotion–recognition deficits in MS are
Laurent Zikos, Antonio Pinti, Henrique Sequeira, Cécile Donze, Arnaud Kwiatkowski, Béatrice Degraeve, Bruno Lenne   +6 more
wiley   +1 more source