scholarly journals Capturing Time-of-Flight data with confidence

CVPR 2011 ◽  
2011 ◽  
Author(s):  
Malcolm Reynolds ◽  
Jozef Dobos ◽  
Leto Peel ◽  
Tim Weyrich ◽  
Gabriel J Brostow
Keyword(s):  
Time Of Flight ◽  
Flight Data

scholarly journals Survey of Thermal Plasma Composition in Saturn's Magnetosphere Using Time-of-Flight Data From Cassini/CAPS

2018 ◽  
Vol 123 (8) ◽  
pp. 6494-6513 ◽  
Author(s):  
M. Felici ◽  
C. S. Arridge ◽  
R. J. Wilson ◽  
A. J. Coates ◽  
M. Thomsen ◽  
...  
Keyword(s):  
Thermal Plasma ◽  
Time Of Flight ◽  
Plasma Composition ◽  
Flight Data

scholarly journals Rapid Deconvolution of Low-Resolution Time-of-Flight Data using Bayesian Inference

2019 ◽  
Author(s):  
Cornelius Pieterse ◽  
Michiel B. De Kock ◽  
Wesley D. Robertson ◽  
Hans C. Eggers ◽  
R. J. Dwayne Miller
Keyword(s):  
Time Of Flight ◽  
Stopping Criterion ◽  
Amplitude Ratios ◽  
Resolution Time ◽  
Low Resolution ◽  
Flight Data ◽  
Additional Information ◽  
Bayesian Prior ◽  
Accurate Quantification ◽  
General Method

Deconvolution of low-resolution time-of-flight data has numerous advantages including the ability to extract additional information from the experimental data. We augment the well-known Lucy-Richardson deconvolution algorithm by various Bayesian prior distributions and show that a prior of second-differences of the signal outperforms the standard Lucy-Richardson algorithm, accelerating the rate of convergence by more than a factor of four, while preserving the peak amplitude ratios of a similar fraction of the total peaks. A novel stopping criterion and boosting mechanism is implemented to ensure these methods converge to a similar entropy, and that local minima are avoided, respectively. Improvement by a factor of two in mass resolution allows more accurate quantification of the spectra. The general method is demonstrated in this paper by the deconvolution of fragmentation peaks of the DHB matrix, as well as the BTP thermometer ion, following femtosecond ultraviolet laser desorption.

scholarly journals Rapid deconvolution of low-resolution time-of-flight data using Bayesian inference

2019 ◽  
Vol 151 (24) ◽  
pp. 244307
Author(s):  
Cornelius L. Pieterse ◽  
Michiel B. de Kock ◽  
Wesley D. Robertson ◽  
Hans C. Eggers ◽  
R. J. Dwayne Miller
Keyword(s):  
Bayesian Inference ◽  
Time Of Flight ◽  
Resolution Time ◽  
Low Resolution ◽  
Flight Data

Adaptive bilateral filter for image denoising and its application to in-vitro Time-of-Flight data

2011 ◽  
Author(s):  
Alexander Seitel ◽  
Thiago R. dos Santos ◽  
Sven Mersmann ◽  
Jochen Penne ◽  
Anja Groch ◽  
...  
Keyword(s):  
Image Denoising ◽  
Time Of Flight ◽  
Bilateral Filter ◽  
Flight Data

Fourier analysis of thermal neutron time-of-flight data: A high efficiency neutron chopping system, I

1969 ◽  
Vol 76 (1) ◽  
pp. 135-149 ◽  
Author(s):  
J.F. Colwell ◽  
S.R. Lehinan ◽  
P.H. Miller ◽  
W.L. Whittemore
Keyword(s):  
Fourier Analysis ◽  
Thermal Neutron ◽  
High Efficiency ◽  
Time Of Flight ◽  
Flight Data ◽  
Neutron Time

Ultrasound Imaging Using Spatial Domain Phase Information

2015 ◽  
Vol 742 ◽  
pp. 118-122
Author(s):  
Liu Yang ◽  
Chun Guang Xu ◽  
Xin Liang Li ◽  
Ye Huang
Keyword(s):  
Ultrasound Imaging ◽  
Time Of Flight ◽  
Measuring Method ◽  
Spatial Domain ◽  
Guided Wave ◽  
Ultrasonic Transducers ◽  
Phase Information ◽  
Flight Data ◽  
Ultrasound Radiation ◽  
Domain Phase

The aim of this paper is to determine the efficacy of the ring-shaped array used for imaging the objects inside the array. Hyperbola algorithm and ellipse algorithm which are conventionally used in the field of guided wave for locating the defects are developed and combined here to extract the image. Meanwhile, much more phase information is added in this process. Fan-shaped ultrasound radiation is generated separately by the 45 rectangular ultrasonic transducers which are circular embedded in the wall of a container. The time of flight data and the attenuation data are obtained and stored in the A-scan wave of each receiving transducer, subsequently, they are applied for reconstructing the image of all tested objects. The validity of the combined measuring method with phase information is demonstrated by imaging the distributed polyurethane objects.

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