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Microhabitat segregation of two coexisting tadpole species on Emei Mountain
2021
Acta Herpetologica
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., Winston, 1995; Xu et al., 2020) , we predict that the coexisting tadpoles of two different species occupy different microhabitat. ...
Based on our previous study (Xu et al., 2020) , these two tadpole species have distinct phenotypic functional traits, which also reflected their adaptation of different environment in the water bodies ...
doi:10.36253/a_h-9758
fatcat:cm3hyd5sejhhlo442pknowhy5e
Blind Orthogonal Least Squares based Compressive Spectrum Sensing
[article]
2022
arXiv
pre-print
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Compressive spectrum sensing (CSS) has been widely studied in wideband cognitive radios, benefiting from the reduction of sampling rate via compressive sensing (CS) technology. However, the sensing performance of most existing CSS excessively relies on the prior information such as spectrum sparsity or noise variance. Thus, a key challenge in practical CSS is how to work effectively even in the absence of such information. In this paper, we propose a blind orthogonal least squares based CSS
arXiv:2204.05086v1
fatcat:wyxcvrxezrdmppytodt23xy3ey
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... rithm (B-OLS-CSS), which functions properly without the requirement of prior information. Specifically, we develop a novel blind stopping rule for the OLS algorithm based on its probabilistic recovery condition. This innovative rule gets rid of the need of the spectrum sparsity or noise information, but only requires the computational-feasible mutual incoherence property of the given measurement matrix. Our theoretical analysis indicates that the signal-to-noise ratio required by the proposed B-OLS-CSS for achieving a certain sensing accuracy is relaxed than that by the benchmark CSS using the OMP algorithm, which is verified by extensive simulation results.
An Immunological Hypothesis of Fu's Subcutaneous Needling Acupuncture
2021
Journal of Acupuncture & Meridian Studies
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Because self-repair and self-healing are also immune functions, this study suggests that FSN's stimulation of the Wenbo Xu, et al. ...
These immune and regenerative cells are activated in response to nociceptive Wenbo Xu, et al. stimulation, trauma, and foreign substance invasion. ...
doi:10.51507/j.jams.2021.14.3.110
fatcat:rhrmzxba45hfffkmowbze2ysfq
Design Of Communication Primitives For Satellite Networks Management
2010
Zenodo
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Fig. 2 2 The SNMP information format of the primitive language of expansion
Wenbo. ...
XU Haifeng. Author is with School of Information Science and Engineering, ShenYang Ligong University, Shenyang, P.R.China. ...
doi:10.5281/zenodo.1334894
fatcat:w2prrt4dazhupjgaytzcq3ps7q
Editorial: Neuronal Development and Degeneration
2019
Frontiers in Genetics
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This paper by Xu et al. interestingly substantiate the review by Ngwenya and Danzer, which focused on the consequences of traumatic brain injury (TBI) on hippocampal change, and the relationship to adult ...
authors have gathered data suggesting that this effect is due to its role in regulating the potent growth factor BDNF concomitantly with a reduction of the injury-associated inflammation/glial activation (Xu ...
doi:10.3389/fgene.2019.01213
pmid:31824582
pmcid:PMC6884001
fatcat:v3ymzrlvufae3dmt3vav2qnuly
An Efficient Extended Targets Detection Framework Based on Sampling and Spatio-Temporal Detection
2019
Sensors
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Excellent performance, real-time and low memory requirement are three vital requirements for target detection in high resolution marine radar system. Unfortunately, many current state-of-the-art methods merely achieve excellent performance when coping with highly complex scenes. In fact, a common problem is that real-time processing, low memory requirement and remarkable detection ability are difficult to coordinate. To address this issue, we propose a novel detection framework which bases its
doi:10.3390/s19132912
fatcat:pzfwi2dkkrevzdeiw7e3xbrvn4
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... rinciple on sampling and spatiotemporal detection. The framework consists of two stages, coarse detection and fine detection. Sampling-based coarse detection is designed to guarantee the real-time processing and low memory requirements by locating the area where targets may exist in advance. Different from former detection methods, multi-scan video data are utilized. In the stage of fine detection, the candidate areas are grouped into three categories: single target, dense targets and sea clutter. Different approaches for processing the different categories are implemented to achieve excellent performance. The superiority of the proposed framework beyond state-of-the-art baselines is well substantiated in this work. Low memory requirement of the proposed framework was verified by theoretical analysis. Real-time processing capability was verified by the video data of two real scenarios. Synthetic data were tested to show the improvement in tracking performance by using the proposed detection framework.
Performance analysis of partial segmented compressed sampling
2013
Signal Processing
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Xu).
UðtÞ ¼ ðf 1 ðtÞ, . . . ...
Then based on K samples, the candidate 1 Xu et al.[9] only give an abridged version of the proof. ...
doi:10.1016/j.sigpro.2013.02.001
fatcat:7bdnfkg6o5bbdjq56bwczgrujq
Artificial intelligence-based approaches for COVID-19 patient management
2021
Intelligent Medicine
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During the highly infectious pandemic of coronavirus disease 2019 (COVID-19), artificial intelligence (AI) has provided support in addressing challenges and accelerating achievements in controlling this public health crisis. It has been applied in fields varying from outbreak forecasting to patient management and drug/vaccine development. In this paper, we specifically review the current status of AI-based approaches for patient management. Limitations and challenges still exist, and further needs are highlighted.
doi:10.1016/j.imed.2021.05.005
pmid:34447600
pmcid:PMC8189732
fatcat:g6hj2jzvujc57ag55fualejxzy
High 18F-fluorodeoxyglucose uptake in cardiac tumor
2016
Medicine
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Cardiac tumors, especially malignant, are rare but aggressive tumors that mostly arise from the mesenchymal cells and represent a challenging diagnosis for clinicians. Recently, fluorine-18-fluorodiography positron emission tomography and computed tomography ( 18 F-FDG PET/CT) is an increasingly popular new technique with diagnosis of tumor. Methods: We report a case of a right heart tumor showing intense uptake of 18 F-fluorodeoxyglucose ( 18 F-FDG) on position emission tomography/computed
doi:10.1097/md.0000000000004211
pmid:27858836
pmcid:PMC5591084
fatcat:u3tbjou3qjgktb4kftxidxvpvu
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... graphy (PET/CT) imaging. We discuss the clinical course and diagnostic evaluations. Results: The maximal standardized uptake values (SUV max ) for the cardiac and metastatic lesion were 17.2 and 12.9, respectively. Conclusion: 18 F-FDG PET/CT imaging, which enables both morphological characterization and visualization of tumor metabolism, may be an effective and feasible noninvasive method for the diagnosis of malignant cardiac tumors. Abbreviations: 18 F-FDG PET/CT = fluorine-18-fluorodeoxyglucose position emission tomography and computed tomography, CT = computed tomography, CTN = computerized tomography number, MRI = magnetic resonance imaging, SUV max = maximum standardized uptake value.
Cosmic Constraints on Holographic Dark Energy in Brans-Dicke Theory
[article]
2009
arXiv
pre-print
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In this paper, the holographic dark energy in Brans-Dicke theory is confronted by cosmic observations from SN Ia, BAO and CMB shift parameter. The best fit parameters are found in 1σ region: Ω_h0=0.683^+0.035_-0.038, c=0.605^+0.138_-0.107 and α=0.00662^+0.00477_-0.00467 (equivalently ω=905.690^+637.906_-651.471 which is less the solar system bound and consistent with other constraint results). With these best fit values of the parameters, it is found the universe is undergoing accelerated
arXiv:0905.4174v1
fatcat:gtctmx3asraqjf42xoadhuxl4e
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... ion, and the current value of equation of state of holographic dark energy w_h0=-1.246^+0.191_-0.144 which is phantom like in Brans-Dicke theory. The evolution of effective Newton's constant is also explored.
Coordinated Aerial-Ground Robot Exploration via Monte-Carlo View Quality Rendering
[article]
2020
arXiv
pre-print
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We present a framework for a ground-aerial robotic team to explore large, unstructured, and unknown environments. In such exploration problems, the effectiveness of existing exploration-boosting heuristics often scales poorly with the environments' size and complexity. This work proposes a novel framework combining incremental frontier distribution, goal selection with Monte-Carlo view quality rendering, and an automatic-differentiable information gain measure to improve exploration efficiency.
arXiv:2011.05275v1
fatcat:q3ypccc7fve5diysbzbd2poeea
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... Simulated with multiple complex environments, we demonstrate that the proposed method effectively utilizes collaborative aerial and ground robots, consistently guides agents to informative viewpoints, improves exploration paths' information gain, and reduces planning time.
Parent Artery Occlusion for Intracranial Aneurysms
2009
Interventional Neuroradiology
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Java Processor Optimized for RTSJ
2007
EURASIP Journal on Embedded Systems
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Due to the preeminent work of the real-time specification for Java (RTSJ), Java is increasingly expected to become the leading programming language in real-time systems. To provide a Java platform suitable for real-time applications, a Java processor which can execute Java bytecode is directly proposed in this paper. It provides efficient support in hardware for some mechanisms specified in the RTSJ and offers a simpler programming model through ameliorating the scoped memory of the RTSJ. The
doi:10.1186/1687-3963-2007-057575
fatcat:7hhcvf2mvfdq5h7pijyemqcbmi
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... rst case execution time (WCET) of the bytecodes implemented in this processor is predictable by employing the optimization method proposed in our previous work, in which all the processing interfering predictability is handled before bytecode execution. Further advantage of this method is to make the implementation of the processor simpler and suited to a low-cost FPGA chip.
Java Processor Optimized for RTSJ
2007
EURASIP Journal on Embedded Systems
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Due to the preeminent work of the real-time specification for Java (RTSJ), Java is increasingly expected to become the leading programming language in real-time systems. To provide a Java platform suitable for real-time applications, a Java processor which can execute Java bytecode is directly proposed in this paper. It provides efficient support in hardware for some mechanisms specified in the RTSJ and offers a simpler programming model through ameliorating the scoped memory of the RTSJ. The
doi:10.1155/2007/57575
fatcat:u6cfcp3lqnealoj2whlxmswy2e
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... rst case execution time (WCET) of the bytecodes implemented in this processor is predictable by employing the optimization method proposed in our previous work, in which all the processing interfering predictability is handled before bytecode execution. Further advantage of this method is to make the implementation of the processor simpler and suited to a low-cost FPGA chip.
Recombination analysis of Human mastadenovirus C whole genomes
2019
Scientific Reports
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This study aims at analyzing all publicly available HAdV-C whole genome sequences (WGSs) and describes the genetic relationships between these genomes as well as identifies potential hotspots for recombination throughout the viral genome. In addition to the 4 prototypical genomic sequences, this analysis identified 20 HAdV-C WGSs which should be relevant for future recombination analysis of HAdV-C. This report confirmed the recombinogenic property of HAdV-C genomes and identified two main
doi:10.1038/s41598-019-38719-z
pmid:30778154
pmcid:PMC6379361
fatcat:vub7ybe4qneqfk7xtk2cadvwxu
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... s for breakpoints, within the hexon gene and around the fiber genomic region. No obvious recombination was detected between HAdV-Cs and non-human mastadenoviruses or non-C HAdVs. Finally, it highlighted the need for a surveillance of HAdVs in order to detect novel recombinant types that might represent health risks and develop possible prevention measures. Genetic analyses of recombination between recently collected HAdV-Cs and the assessment of their potential virulence are necessary steps towards the establishment of a surveillance of HAdVs in the future.
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