Gamma camera

Gamma camera
There is an audio recording on this link
http://ia601705.us.archive.org/19/items/GammaCamera/recording-20130411-163757.zip
Contains all the information
The report also must contain the following information for each part
1- isotope
2- setup
3- acquisition type
a-Required tools
b- matrix size
c- time acquisition
d- Magnification
e- position of phantom
f- energy or volt
Section 1: Bar Phantom
i) Briefly describe how the images below were acquired (e.g. isotope, setup, acquisition type)
ii) The images below were acquired at different distances, but with the same total counts. Describe and explain the differences between these three images.

Section 2: Williams Phantom
i) Briefly describe how the images below were acquired (e.g. isotope, setup, acquisition type).
ii) Describe the visual differences in the two images below. Explain why the two images look different.

iii) The images below were acquired with the same total number of counts but using two different matrix sizes. Explain the effect that matrix size has on the counts per pixel and resulting image noise. Give an example of a clinical test which uses a small matrix size, and one that uses a large matrix size, and explain the choice of matrix size for each.

Section 3: Jaszczak phantom
i) Briefly describe how the images below were acquired (e.g. isotope, setup, acquisition type).
ii) The slices below were reconstructed using a Butterworth filter with different cut-off frequencies. Describe the visual differences in the images, and explain why changing the cut off frequency has this effect.
iii) The images below were acquired with different collimators. Discuss the physical difference between low energy high resolution (LEHR), low energy all purpose (LEAP) and high energy (HE) collimators. How would you expect the resolution and sensitivity to compare for these two collimators?
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