搜索结果: 1-15 共查到“医学 nonlinear”相关记录20条 . 查询时间(0.109 秒)
A nonlinear neural population coding theory of quantum cognition and decision making
Quantum Probability Psychophysics Neuroeconomics Population Coding
2013/2/20
Mathematical frameworks of quantum theory have recently been adopted in cognitive and behavioral sciences, to explain the violations of normative decision theory and anomalies in cognition. However, t...
Optimal nonlinear line-of-flight estimation in PET
Artificial neural network emission tomography gamma camera scintillation detector
2010/1/7
The authors consider detection of high-energy photons in positron emission tomography using thick scintillation crystals.Parallax effect and multiple Compton interactions in such
crystals significant...
Optimal nonlinear line-of-flight estimation in PET
Artificial neural network emission tomography gamma camera scintillation detector
2010/1/7
The authors consider detection of high-energy photons in positron emission tomography using thick scintillation crystals.Parallax effect and multiple Compton interactions in such
crystals significant...
The combined effect of nonlinear filtration and window size on the accuracy of tissue displacement estimation using detected echo signals
Cardiac elastography Motion estimation Nonlinear image filtration
2010/1/6
In cardiac elastography, the regional strain and strain rate imaging is based on displacement estimation of tissue sections withinthe heart muscle carried out with various block-matching techniques (c...
Global optimization of mixed-integer nonlinear problems
Global optimization mixed-integer nonlinear problems
2009/12/24
Global optimization of mixed-integer nonlinear problems.
Nonlinear power loss during exercise in single-ventricle patients after the Fontan:insights from computational fluid dynamics
blood flow computational fluid dynamics exercise Fontan procedure hemodynamics
2009/12/23
We previously demonstrated that power loss (PL) through the total cavopulmonary connection (TCPC) in single-ventricle patients undergoing Fontan can be calculated by computational fluid dynamic analys...
Deformation-based nonlinear dimension reduction: applications to nuclear morphometry
nonlinear dimension dimension reduction nuclear shape analysis
2009/12/23
Deformation-based nonlinear dimension reduction: applications to nuclear morphometry.
Nonlinear Stress Analysis of Titanium Implants by Finite Element Method
Finite element method Titanium implant Nonlinear stress analysis
2009/9/11
With use of dental implants on the rise, there is also a tandem increase in the number of implant fracture reports. To the end of investigating the stress occurring in implants, elasticity and plastic...
Experimental Investigation of Angular Stackgram Filtering for Noise Reduction of SPECT Projection Data: Study with Linear and Nonlinear Filters
SPECT Projection Data Nonlinear Filters
2009/9/7
We discuss data filtering prior to image reconstruction. For this kind of filtering, the radial direction of the sinogram is routinely employed. Recently, we have introduced an alternative approach to...
A Penalized Linear and Nonlinear Combined Conjugate Gradient Method for the Reconstruction of Fluorescence Molecular Tomography
Fluorescence Molecular Tomography A Penalized Linear
2009/9/7
Conjugate gradient method is verified to be efficient for nonlinear optimization problems of large-dimension data. In this paper, a penalized linear and nonlinear combined conjugate gradient method fo...
Elastography Method for Reconstruction of Nonlinear Breast Tissue Properties
Elastography Method Nonlinear Breast Tissue Properties
2009/9/4
Elastography is developed as a quantitative approach to imaging linear elastic properties of tissues to detect suspicious tumors. In this paper a nonlinear elastography method is introduced for recons...
Nonlinear Approach to Characterization of Temporomandibular Joint Vibrations
Temporomandibular joint vibration nonlinear forecasting Fourier methods prognosis
2009/7/2
A new approach is proposed to characterize and discriminate temporomandi-bular joint vibrations. It consists of three steps. First, signals recorded during each cycle of mandibular movement are unifie...
Linear and nonlinear mouse sperm motility patterns
Linear nonlinear mouse sperm motility patterns
2009/2/20
A quantitative method is described for distinguishing two types of mouse sperm motility using a new parameter, the Linear Index. One hundred spermatozoa from C57BL/6-+/+ and 100 spermatozoa from C57...
Nonlinear Behavior of Search Strategies for Identifying Relevant Orthodontic Articles
Search strategy Evidence based Chaotic systems Systematic review
2008/12/11
The communication process with electronic literature databases permitting a freetext search is prone in part to nonlinear, chaotic behavior. Even very minor changes in the initial conditions (search...
Nonlinear Large-Deflection Analysis of Orthodontic Wires
Nonlinear large-deformation analysis Mechanical property Wire cross section Force system
2008/12/9
The purposes of this study were (1) to measure the nonlinear force-deflection behavior of selected orthodontic wires using a conventional tensile test, (2) to extend a mathematical model for simulat...