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检索条件"主题词=expectation-maximisation algorithm"
495 条 记 录,以下是331-340 订阅
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Including Pair-Production Events in the System Response Function for Energy-Imaging Integrated Deconvolution algorithm
Including Pair-Production Events in the System Response Func...
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IEEE Nuclear Science Symposium/Medical Imaging Conference (NSS/MIC)/18th International Workshop on Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors
作者: Wang, Weiyi He, Zhong Univ Michigan Dept Nucl Engn & Radiol Sci Ann Arbor MI 48109 USA
In previous research, our group developed a gamma-ray image reconstruction method using Compton events from a 3-D position-sensitive CdZnTe detector, which is capable of deconvolving the source image at any specific e... 详细信息
来源: 评论
Statistical Trilateration with Skew-t Errors
Statistical Trilateration with Skew-t Errors
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International Conference on Location and GNSS (ICL-GNSS)
作者: Muller, Philipp Piche, Robert Tampere Univ Technol Dept Automat Sci & Engn ASE POB 692 FI-33101 Tampere Finland
In the problem of determining a target's location using radio signal time-of-flight to reference nodes with known locations, measurement errors can be skewed because of multipath effects. In this paper, range erro... 详细信息
来源: 评论
Decision support systems in Wireless Capsule Endoscopy: Revisited
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INTELLIGENT DECISION TECHNOLOGIES-NETHERLANDS 2007年 第1-2期1卷 17-31页
作者: Kodogiannis, Vassilis S. Univ Westminster Ctr Syst Anal Sch Comp Sci London HA1 3TP England
Decision Support Systems have been utilised since 1960, providing physicians with fast and accurate means towards more accurate diagnoses, increased tolerance when handling missing or incomplete data. In this paper, a... 详细信息
来源: 评论
Unsupervised Online Learning Trajectory Analysis Based On Weighted Directed Graph
Unsupervised Online Learning Trajectory Analysis Based On We...
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21st International Conference on Pattern Recognition (ICPR)
作者: Shen, Yuan Miao, Zhenjiang Zhang, Jian Beijing Jiaotong Univ Inst Informat Sci Beijing Peoples R China Univ Technol Sydney Fac Engn & Informat Technol Sydney NSW Australia
In this paper, we propose a novel unsupervised online learning trajectory analysis method based on weighted directed graph. Each trajectory can be represented as a sequence of key points. In the training stage, unsupe... 详细信息
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ROBUST RETINAL IMAGE REGISTRATION USING expectation maximisation WITH MUTUAL INFORMATION
ROBUST RETINAL IMAGE REGISTRATION USING EXPECTATION MAXIMISA...
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IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Parminder Singh Reel Laurence S. Dooley K. C. P. Wong Anko Borner Department of Communication and Systems The Open University Milton Keynes United Kingdom
Retinal images (RI) are widely used to diagnose a variety of eye conditions and diseases such as myopia and diabetic retinopathy. They are inherently characterised by having nonuniform illumination and low-contrast ho... 详细信息
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Measurements and Analysis of a 4x4 Vehicle-to-Ground MIMO Channel Using SAGE
Measurements and Analysis of a 4x4 Vehicle-to-Ground MIMO Ch...
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International Symposium on Wireless Personal Multimedia Communications (WPMC)
作者: Yang Jiaqi Wu Muqing Zhao Ruojun Wang Qian Beijing Univ Posts & Telecommun Beijing Key Lab Network Syst Architecture & Conve Beijing 100876 Peoples R China
The widely used broadband wireless technology enables a novel application of providing high-quality communications between vehicles and traffic control centers, which is collectively referred to as vehicle-to-ground c... 详细信息
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Maximum-likelihood spatial spectrum estimation in dynamic environments with a short maneuverable array
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JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2013年 第1期133卷 311-322页
作者: Odom, Jonathan L. Krolik, Jeffrey L. Rogers, Jeffrey S. Duke Univ Dept Elect & Comp Engn Durham NC 27708 USA USN Res Lab Acoust Div Washington DC 20375 USA
This work concerns the development of field directionality mapping algorithms for short acoustic arrays on mobile maneuverable platforms that avoid the left/right ambiguities and endfire resolution degradation common ... 详细信息
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Joint distribution of individual wave heights and periods in mixed sea states using finite mixture models
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COASTAL ENGINEERING 2020年 161卷 103773-103773页
作者: Huang, Weinan Dong, Sheng Ocean Univ China Coll Engn Qingdao 266100 Peoples R China
The bivariate distribution of zero-up-crossing wave heights and associated periods is important in the stochastic modelling of ocean waves and is of theoretical and practical interest among scientists and engineers. R... 详细信息
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Time-varying spatial spectrum estimation with a maneuverable towed array
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JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2010年 第6期128卷 3543-3553页
作者: Rogers, Jeffrey S. Krolik, Jeffrey L. Duke Univ Dept Elect & Comp Engn Durham NC 27708 USA
This paper addresses the problem of field directionality mapping (FDM) or spatial spectrum estimation in dynamic environments with a maneuverable towed acoustic array. Array processing algorithms for towed arrays are ... 详细信息
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Obtaining point spread function of penumbral encoding aperture with "expectation maximization" algorithm based on matched source-image pair experiment
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REVIEW OF SCIENTIFIC INSTRUMENTS 2010年 第5期81卷 053502-053502页
作者: Wu, Y. L. Hu, H. S. Zhang, T. K. Li, Z. H. Chen, D. Xi An Jiao Tong Univ Sch Energy & Power Engn Xian 710049 Peoples R China China Acad Engn Phys Inst Nucl Phys & Chem Mianyang 621900 Peoples R China Nanjing Univ Aeronaut & Astronaut Coll Mat Sci & Technol Nanjing 210016 Peoples R China
A source penumbral image reconstruction method with linear mapping principle for geometrical optics is established. The ideal binary point spread function (PSF) can be obtained using a geometrical optics model. The sy... 详细信息
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