SPECT reconstruction

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measured projections first estimate and its projections correction factors (differences between projections) measured projections first estimate and its projections correction factors (quotients between projections)
first iteration (additive corrections) second iteration (additive corrections) first iteration (multiplicat. corrections) second iteration (multiplicat. corrections)
Page 1 and 2: Regional Training Workshop Advanced
Page 3 and 4: anterior view lateral view courtesy
Page 5 and 6: Groch MW, Erwin WD. J Nucl Med Tech
Page 7 and 8: 2nd step in tomography = reconstruc
Page 9 and 10: Recording projections of a slice
Page 11 and 12: Filtered back-projection (FBP)
Page 14 and 15: 1 2 3 4
Page 16 and 17: 1 2 3 3 4 7 1 5 4 2 5 4 6 3
Page 18 and 19: 3 3 3 7 7 7 1 5 4 2 5 4 6 3
Page 20 and 21: 12 11 3 14 18 7 1 5 4 2 5 4 6 3
Page 22 and 23: 3 (divide each entry by 3) 3 6 4 9
Page 26 and 27: ack projection (BP) = summation of
Page 28 and 29: Sequence of summing original and fi
Page 30 and 31: Reconstruction of a slice from proj
Page 32 and 33: The principle of the iterative algo
Page 36 and 37: 1 2 3 2.5 2.5 5 3 4 7 2.5 2.5 5 4 6
Page 38 and 39: 1 2 3 1 2.5 5 3 4 7 2.5 2.5 5 4 6 5
Page 40 and 41: 1 2 3 1 2 5 3 4 7 3 2.5 5 4 6 5 5 c
Page 42 and 43: Iterative reconstruction - multipli
Page 44 and 45: Iterative reconstruction - multipli
Page 46 and 47: Filtered back-projection • very f
Page 48 and 49: References: Groch MW, Erwin WD. SPE

SPECT reconstruction

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