搜索结果: 1-15 共查到“生物医学电子学 Tomography”相关记录25条 . 查询时间(0.115 秒)
Quasi-Conformal Flat Representation of Triangulated Surfaces for Computerized Tomography
Quasi-Conformal Flat Representation Triangulated Surfaces Computerized Tomography
font style='font-size:12px;'>
2010/1/8
In this paper we present a simple method for flattening of triangulated surfaces for mapping and imaging. The method is based on classical results of F. Gehring and Y. V¨ais¨al¨a regarding the existen...
Quasi-Isometric and Quasi-Conformal Development of Triangulated Surfaces for Computerized Tomography
Quasi-Isometric Quasi-Conformal Triangulated Surfaces
font style='font-size:12px;'>
2010/1/7
In this paper we present a simple method for minimal distortion development of triangulated surfaces for mapping and imaging. The method is based on classical results of F. Gehring and Y. V¨ais¨al¨a r...
Electromagnetic Impedance Tomography (EMIT): A New Method for Impedance Imaging
Condition number electromagnetic impedance
font style='font-size:12px;'>
2010/1/6
We propose a new impedance imaging method,
electromagnetic impedance tomography (EMIT), in which the
boundary electric potential measurements in electrical impedance
tomography (EIT) are augmented ...
A General Formula for Fan-Beam Lambda Tomography
General Formula Fan-Beam Lambda Tomography
font style='font-size:12px;'>
2009/9/8
Lambda tomography (LT) is to reconstruct a gradient-like image of an object only from local projection data. It is potentially an important technology for medical X-ray computed tomography (CT) at a r...
Multispectral Bioluminescence Tomography: Methodology and Simulation
Multispectral Bioluminescence Tomography Simulation
font style='font-size:12px;'>
2009/9/8
Bioluminescent imaging has proven to be a valuable tool for monitoring physiological and pathological activities at cellular and molecular levels in living small animals. Using biological techniques, ...
Controlled Cardiac Computed Tomography
Controlled Cardiac Tomography
font style='font-size:12px;'>
2009/9/8
Cardiac computed tomography (CT) has been a hot topic for years because of the clinical importance of cardiac diseases and the rapid evolution of CT systems. In this paper, we propose a novel strategy...
Comparison of Quadratic- and Median-Based Roughness Penalties for Penalized-Likelihood Sinogram Restoration in Computed Tomography
Penalized-Likelihood Sinogram Restoration Computed Tomography
font style='font-size:12px;'>
2009/9/8
We have compared the performance of two different penalty choices for a penalized-likelihood sinogram-restoration strategy we have been developing. One is a quadratic penalty we have employed previous...
A Prospective Study on Algorithms Adapted to the Spatial Frequency in Tomography
Algorithms Tomography
font style='font-size:12px;'>
2009/9/8
The use of iterative algorithms in tomographic reconstruction always leads to a frequency adapted rate of convergence in that low frequencies are accurately reconstructed after a few iterations, while...
A Table-Based Random Sampling Simulation for Bioluminescence Tomography
Table-Based Random Bioluminescence Tomography
font style='font-size:12px;'>
2009/9/8
As a popular simulation of photon propagation in turbid media, the main problem of Monte Carlo (MC) method is its cumbersome computation. In this work a table-based random sampling simulation (TBRS) i...
The First Bioluminescence Tomography System for Simultaneous Acquisition of Multiview and Multispectral Data
Bioluminescence Tomography System Multiview Multispectral Data
font style='font-size:12px;'>
2009/9/8
We describe the system design of the first bioluminescence tomography (BLT) system for parallel acquisition of multiple bioluminescent views around a mouse in a number of spectral channels simultaneou...
A Fast Reconstruction Algorithm for Fluorescence Optical Diffusion Tomography Based on Preiteration
Fluorescence Optical Diffusion Tomography Preiteration
font style='font-size:12px;'>
2009/9/7
Fluorescence optical diffusion tomography in the near-infrared (NIR) bandwidth is considered to be one of the most promising ways for noninvasive molecular-based imaging. Many reconstructive approache...
The Factorization Method for Electrical Impedance Tomography Data from a New Planar Device
The Factorization Method Electrical Impedance Tomography
font style='font-size:12px;'>
2009/9/7
We present numerical results for two reconstruction methods for a new planar electrical impedance tomography device. This prototype allows noninvasive medical imaging techniques if only one side of a ...
Level Set Method for Positron Emission Tomography
Level Set Method Positron Emission Tomography
font style='font-size:12px;'>
2009/9/7
In positron emission tomography (PET), a radioactive compound is injected into the body to promote a tissue-dependent emission rate. Expectation maximization (EM) reconstruction algorithms are iterati...
A Near-Infrared Optical Tomography System Based on Photomultiplier Tube
A Near-Infrared Optical Tomography System Photomultiplier Tube
font style='font-size:12px;'>
2009/9/7
Diffuse optical tomography (DOT) is a rapidly growing discipline in recent years. It plays an important role in many fields, such as detecting breast cancer and monitoring the cerebra oxygenation. In ...
A General Formula for Fan-Beam Lambda Tomography
A General Formula Fan-Beam Lambda Tomography
font style='font-size:12px;'>
2009/9/7
A General Formula for Fan-Beam Lambda Tomography.