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SU‐E‐T‐684: Simple Integrated Tissue‐Air Ratio (SITAR)

MA Firpo… - Medical Physics, 2011 - link.aip.org
... The Simple Integrated Tissue‐Air Ratio (SITAR) is a novel method of determining depth‐dose
for this novel device. ... It is Integrated because it integrates all appreciable effects: inverse R‐squared
divergence, attenuation in water and in tissue‐equivalent plastic, and scatter. ...

The effects of compensator and imaging geometry on the distribution of x-ray scatter in CBCT.

GJ Bootsma, F Verhaegen… - Medical physics, 2011 - ncbi.nlm.nih.gov
... The simulation is validated against projection images, scatter-to-open field ratio (SOR), and
scatter-to-primary ratio (SPR) measurements taken using a bench-top CBCT system. ... A functional
relationship between scatter (SOR, SPR) and air gap, cone angle is reported. ...
Cited by 3 - Related articles - All 2 versions

Kilovoltage beam model for flat panel imaging system with bow-tie filter for scatter prediction and correction

M Blessing, MS Bhagwat, Y Lyatskaya, JR Bellon… - Physica Medica, 2011 - Elsevier
... The next factor, TAR(d,c) stands for tissue-to-air ratio. It describes the behavior of the signal when
total thickness d of the imaged object is varied. S tot (c) is the total scatter factor and describes
the intensity variation in the image center with respect to the changing field sizes c ...
Related articles - All 3 versions

Effect of entrained air voids on the microstructure and mass transport properties of concrete

HS Wong, AM Pappas, RW Zimmerman… - Cement and Concrete …, 2011 - Elsevier
... The total test area was at least 11000 mm 2 per mix. The obtained data were then used to calculate
the air content, void frequency, paste-to-air ratio, specific surface, spacing factor and aggregate
content according to ASTM C457-98 [13]. 2.4. Backscattered electron imaging. ...

[PDF] Modeling of light extraction efficiency of scattering thin film using Mie scattering

[PDF] from wroc.plSW Cheong… - Optica Applicata, 2011 - if.pwr.wroc.pl
... light from an organic light emitting diode (OLED) is trapped as a result of total internal reflection
(TIR) on a glass–air interface. ... of light trapped by the TIR can be extracted if the radius of the
spherical scatters, the refractive index ratio between the matrix and the scatter and the ...
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