scholarly journals Application of Parzen window in filter back projection algorithm

2018 ◽  
Vol 392 (6) ◽  
pp. 062183
Author(s):  
Shangmin Yu
Keyword(s):  
Projection Algorithm ◽  
Filter Back Projection ◽  
Back Projection ◽  
Parzen Window

scholarly journals SR-CT filter-back-projection algorithm and application in detection of microstructure evolution

2010 ◽  
Vol 7 ◽  
pp. 63-71
Author(s):  
Hongyan Qu ◽  
Feng Xu ◽  
Xiaofang Hu ◽  
Hong Miao ◽  
Tiqiao Xiao ◽  
...  
Keyword(s):  
Microstructure Evolution ◽  
Projection Algorithm ◽  
Filter Back Projection ◽  
Back Projection

scholarly journals OC-0298: EPID dosimetry at the MR-Linac using a back-projection algorithm: proof of concept

2018 ◽  
Vol 127 ◽  
pp. S155-S156
Author(s):  
I. Torres Xirau ◽  
I. Olaciregui-Ruiz ◽  
B.J. Mijnheer ◽  
B. Vivas-Maiques ◽  
U.A. van der Heide ◽  
...  
Keyword(s):  
Projection Algorithm ◽  
Proof Of Concept ◽  
Back Projection ◽  
Epid Dosimetry ◽  
Algorithm Proof

scholarly journals Precision Imaging of Frequency Stepped SAR with Frequency Domain Extracted HRRP and Fast Factorized Back Projection Algorithm

2017 ◽  
Vol 2017 ◽  
pp. 1-13
Author(s):  
Can-bin Yin ◽  
Da Ran
Keyword(s):  
Fourier Transform ◽  
Frequency Domain ◽  
Single Point ◽  
Projection Algorithm ◽  
Great Promise ◽  
Back Projection ◽  
Imaging Processing ◽  
Block Partition ◽  
Range Resolution ◽  
High Range

Novel frequency domain extracted method (FDEM) to obtain high range resolution profile (HRRP) for frequency stepped synthetic aperture radar (SAR) is proposed in this paper, and the mathematical principle and formulas of this new HRRP obtaining idea combined with classical fast Fourier transform (FFT), chirp z transform (CZT), and single point Fourier transform (SPFT) are deduced, analyzed, and compared in detail. Based on the HRRP data, precision imaging processing is completed using a data block partition based fast factorized back projection algorithm. Imaging validations are executed and all results proved that the FDEM has a great capability of antijamming. It is more effective than conventional time domain IFFT method (TDM) and shows a great promise in frequency stepped radar imaging and applications.

scholarly journals A STUDY ON MILLIMETER-WAVE IMAGING OF CONCEALED OBJECTS: APPLICATION USING BACK-PROJECTION ALGORITHM

2012 ◽  
Vol 128 ◽  
pp. 457-477 ◽  
Author(s):  
Sevket Demirci ◽  
Harun Cetinkaya ◽  
Enes Yigit ◽  
Caner Ozdemir ◽  
Alexey A. Vertiy
Keyword(s):  
Millimeter Wave ◽  
Projection Algorithm ◽  
Back Projection ◽  
Millimeter Wave Imaging ◽  
Wave Imaging
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