X-Git-Url: http://git.kpe.io/?p=snark14.git;a=blobdiff_plain;f=examples%2Fb13%2Fb13.in;fp=examples%2Fb13%2Fb13.in;h=835896eaa94b39abc33aeccebb9d6fdb9332ff06;hp=0000000000000000000000000000000000000000;hb=8fbca36cd1abc71c89e6d49611dbd58424881a96;hpb=5de7494cf1d3672c9419ac0a3d6f26ae2b9855af

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+********EXAMPLE 7
+* MAP EM ALGORITHM FOR EMISSION TOMOGRAPHY.  RECONSTRUCTION OF BRAIN
+* PHANTOM. SIMULATING PET GEOMETRY WITH A RING OF 300 DETECTORS WITH
+* EACH DETECTOR IN COINCIDENCE WITH 101 DETECTORS OPPOSITE IT.
+* COEFFICIENT OF PENALTLY TERM IS SET TO 10.0
+*
+CREATE
+EXAMPLE 7 Brain Phantom 
+SPECTRUM MONOCHROMATIC 511
+OBJECTS
+   1 elip   -7.0   46.0   3.0   6.0   17.0  0.95  1.0
+   2 elip    7.0   46.0   3.0   6.0  -17.0  1.0   0.95
+   3 rect  -12.0   64.0   7.5   4.5    5.0  1.0   1.0
+   4 rect   12.0   64.0   7.5   4.5   -5.0  0.95  0.95
+   5 rect  -38.0   51.0   3.5  13.0  -39.0  0.95  1.0
+   6 rect   38.0   51.0   3.5  13.0   39.0  1.0   0.95
+   7 rect  -46.0   24.0   6.5   6.0  -18.0  0.95  1.0
+   8 rect   46.0   24.0   6.5   6.0   18.0  1.0   0.95
+   9 rect  -49.0    6.0   2.5  10.0   63.0  1.0   1.0
+  10 rect   49.0    6.0   2.5  10.0  -63.0  0.95  0.95
+  11 rect  -52.0  -14.0   9.0   7.0  -14.0  0.95  1.0
+  12 rect   52.0  -14.0   9.0   7.0   14.0  1.0   0.95
+  13 rect  -10.0  -56.0   5.5  10.0   -1.0  0.95  1.0
+  14 rect   10.0  -56.0   5.5  10.0    1.0  1.0   0.95
+  15 elip  -40.0  -47.0   9.0  22.5   48.0  1.0   1.0
+  16 elip   40.0  -47.0   9.0  22.5  -48.0  0.95  0.95
+  17 elip   -8.0  -22.0   3.5  15.5   -9.0  1.0   1.0
+  18 elip    8.0  -22.0   3.5  15.5    9.0  0.95  0.95
+  19 elip  -27.0   -6.0   5.5  23.5   -5.0  0.95  1.0
+  20 elip   27.0   -6.0   5.5  23.5    5.0  1.0   0.95
+  21 elip  -25.0   38.0   6.5  10.5  -14.0  1.0   1.0
+  22 elip   25.0   38.0   6.5  10.5   14.0  0.95  0.95
+  23 rect   -8.0   32.0   1.5   6.5   38.0  1.0   1.0
+  24 rect    8.0   32.0   1.5   6.5  -38.0  0.95  0.95
+  25 rect   -8.0    3.0   1.0   9.0  -33.0  0.95  1.0
+  26 rect    8.0    3.0   1.0   9.0   33.0  1.0   0.95
+  27 elip    0.0    0.0  66.5  74.0    0.0  1.0   1.0
+LAST .51    1   0.05  
+PHANTOM AVERAGE 7
+95 PIXELS OF SIZE 1.6
+RAYSUM AVERAGE 1
+1
+GEOMETRY
+divergent arc 153 306
+RAYS USER 101 DETECTOR SPACING 3.2
+ANGLES 300 EQUAL SPACING
+0.0 358.8
+MEASUREMENT PERFECT
+BACKGROUND 0.0
+RUN
+*
+PICTURE TEST
+*
+PROJECTION REAL
+*
+STOP ITERATION 20
+*
+EXECUTE AVERAGE EMAP
+Example 7 Illustrating the MAP EM algorithm for PET
+gamma is 10.0 EVAL
+*
+END