+++ /dev/null
- snark14.s170426 - A PICTURE RECONSTRUCTION PROGRAM
-
-
- <*> *******EXAMPLE 7
-
- <*> MAP EM ALGORITHM FOR EMISSION TOMOGRAPHY. RECONSTRUCTION OF BRAIN
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- <*> PHANTOM. SIMULATING PET GEOMETRY WITH A RING OF 300 DETECTORS WITH
-
- <*> EACH DETECTOR IN COINCIDENCE WITH 101 DETECTORS OPPOSITE IT.
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- <*> COEFFICIENT OF PENALTLY TERM IS SET TO 10.0
-
- <*>
-
- <#> CREATE
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- EXAMPLE 7 Brain Phantom
-
-
- <#> SPECTRUM MONOCHROMATIC 511
- energy spectrum is monochromatic at energy level 511
-
-
- <#> OBJECTS
- description of objects
- density at levels
- numb type x-coord y-coord x-length y-length angle av dens 511
-
- 1 elip -7.0000 46.0000 3.0000 6.0000 17.0000 0.9500 0.9500
-
- 2 elip 7.0000 46.0000 3.0000 6.0000 -17.0000 1.0000 1.0000
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- 3 rect -12.0000 64.0000 7.5000 4.5000 5.0000 1.0000 1.0000
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- 4 rect 12.0000 64.0000 7.5000 4.5000 -5.0000 0.9500 0.9500
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- 5 rect -38.0000 51.0000 3.5000 13.0000 -39.0000 0.9500 0.9500
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- 6 rect 38.0000 51.0000 3.5000 13.0000 39.0000 1.0000 1.0000
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- 7 rect -46.0000 24.0000 6.5000 6.0000 -18.0000 0.9500 0.9500
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- 8 rect 46.0000 24.0000 6.5000 6.0000 18.0000 1.0000 1.0000
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- 9 rect -49.0000 6.0000 2.5000 10.0000 63.0000 1.0000 1.0000
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- 10 rect 49.0000 6.0000 2.5000 10.0000 -63.0000 0.9500 0.9500
-
- 11 rect -52.0000 -14.0000 9.0000 7.0000 -14.0000 0.9500 0.9500
-
- 12 rect 52.0000 -14.0000 9.0000 7.0000 14.0000 1.0000 1.0000
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- 13 rect -10.0000 -56.0000 5.5000 10.0000 -1.0000 0.9500 0.9500
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- 14 rect 10.0000 -56.0000 5.5000 10.0000 1.0000 1.0000 1.0000
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- 15 elip -40.0000 -47.0000 9.0000 22.5000 48.0000 1.0000 1.0000
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- 16 elip 40.0000 -47.0000 9.0000 22.5000 -48.0000 0.9500 0.9500
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- 17 elip -8.0000 -22.0000 3.5000 15.5000 -9.0000 1.0000 1.0000
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- 18 elip 8.0000 -22.0000 3.5000 15.5000 9.0000 0.9500 0.9500
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- 19 elip -27.0000 -6.0000 5.5000 23.5000 -5.0000 0.9500 0.9500
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- 20 elip 27.0000 -6.0000 5.5000 23.5000 5.0000 1.0000 1.0000
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- 21 elip -25.0000 38.0000 6.5000 10.5000 -14.0000 1.0000 1.0000
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- 22 elip 25.0000 38.0000 6.5000 10.5000 14.0000 0.9500 0.9500
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- 23 rect -8.0000 32.0000 1.5000 6.5000 38.0000 1.0000 1.0000
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- 24 rect 8.0000 32.0000 1.5000 6.5000 -38.0000 0.9500 0.9500
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- 25 rect -8.0000 3.0000 1.0000 9.0000 -33.0000 0.9500 0.9500
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- 26 rect 8.0000 3.0000 1.0000 9.0000 33.0000 1.0000 1.0000
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- 27 elip 0.0000 0.0000 66.5000 74.0000 0.0000 1.0000 1.0000
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- scale factor multiplying object densities 0.5100
-
- seed set to 1
- inhomogeneity set to 0.0500
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- <#> PHANTOM AVERAGE 7
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- this run will generate a phantom
- density in each pixel is obtained as the average of 7 x 7 points
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-
- <#> 95 PIXELS OF SIZE 1.6
- picture size 95 x 95, pixel size 1.6000
-
-
- <#> RAYSUM AVERAGE 1
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- this run will generate projection data
- projection data are calculated by dividing each ray interval into 1 substrips
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- with aperture (substrip) weights 1
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- <#> GEOMETRY
-
-
- <#> divergent arc 153 306
- rays are divergent from point sources
- source to origin distance 153.0000
- the detectors lie on an arc with source to detector distance = 306.0000
-
-
- <#> RAYS USER 101 DETECTOR SPACING 3.2
- number of rays per projection 101
- at detector spacing 3.2000
-
-
- <#> ANGLES 300 EQUAL SPACING
- total number of projections 300
-
- projection angles 0.0000 1.2000 2.4000 3.6000 4.8000 6.0000 7.2000 8.4000 9.6000 10.8000
- 12.0000 13.2000 14.4000 15.6000 16.8000 18.0000 19.2000 20.4000 21.6000 22.8000
- 24.0000 25.2000 26.4000 27.6000 28.8000 30.0000 31.2000 32.4000 33.6000 34.8000
- 36.0000 37.2000 38.4000 39.6000 40.8000 42.0000 43.2000 44.4000 45.6000 46.8000
- 48.0000 49.2000 50.4000 51.6000 52.8000 54.0000 55.2000 56.4000 57.6000 58.8000
- 60.0000 61.2000 62.4000 63.6000 64.8000 66.0000 67.2000 68.4000 69.6000 70.8000
- 72.0000 73.2000 74.4000 75.6000 76.8000 78.0000 79.2000 80.4000 81.6000 82.8000
- 84.0000 85.2000 86.4000 87.6000 88.8000 90.0000 91.2000 92.4000 93.6000 94.8000
- 96.0000 97.2000 98.4000 99.6000 100.8000 102.0000 103.2000 104.4000 105.6000 106.8000
- 108.0000 109.2000 110.4000 111.6000 112.8000 114.0000 115.2000 116.4000 117.6000 118.8000
- 120.0000 121.2000 122.4000 123.6000 124.8000 126.0000 127.2000 128.4000 129.6000 130.8000
- 132.0000 133.2000 134.4000 135.6000 136.8000 138.0000 139.2000 140.4000 141.6000 142.8000
- 144.0000 145.2000 146.4000 147.6000 148.8000 150.0000 151.2000 152.4000 153.6000 154.8000
- 156.0000 157.2000 158.4000 159.6000 160.8000 162.0000 163.2000 164.4000 165.6000 166.8000
- 168.0000 169.2000 170.4000 171.6000 172.8000 174.0000 175.2000 176.4000 177.6000 178.8000
- 180.0000 181.2000 182.4000 183.6000 184.8000 186.0000 187.2000 188.4000 189.6000 190.8000
- 192.0000 193.2000 194.4000 195.6000 196.8000 198.0000 199.2000 200.4000 201.6000 202.8000
- 204.0000 205.2000 206.4000 207.6000 208.8000 210.0000 211.2000 212.4000 213.6000 214.8000
- 216.0000 217.2000 218.4000 219.6000 220.8000 222.0000 223.2000 224.4000 225.6000 226.8000
- 228.0000 229.2000 230.4000 231.6000 232.8000 234.0000 235.2000 236.4000 237.6000 238.8000
- 240.0000 241.2000 242.4000 243.6000 244.8000 246.0000 247.2000 248.4000 249.6000 250.8000
- 252.0000 253.2000 254.4000 255.6000 256.8000 258.0000 259.2000 260.4000 261.6000 262.8000
- 264.0000 265.2000 266.4000 267.6000 268.8000 270.0000 271.2000 272.4000 273.6000 274.8000
- 276.0000 277.2000 278.4000 279.6000 280.8000 282.0000 283.2000 284.4000 285.6000 286.8000
- 288.0000 289.2000 290.4000 291.6000 292.8000 294.0000 295.2000 296.4000 297.6000 298.8000
- 300.0000 301.2000 302.4000 303.6000 304.8000 306.0000 307.2000 308.4000 309.6000 310.8000
- 312.0000 313.2000 314.4000 315.6000 316.8000 318.0000 319.2000 320.4000 321.6000 322.8000
- 324.0000 325.2000 326.4000 327.6000 328.8000 330.0000 331.2000 332.4000 333.6000 334.8000
- 336.0000 337.2000 338.4000 339.6000 340.8000 342.0000 343.2000 344.4000 345.6000 346.8000
- 348.0000 349.2000 350.4000 351.6000 352.8000 354.0000 355.2000 356.4000 357.6000 358.8000
-
-
- <#> MEASUREMENT NOISY
- noise characteristics of projection data follow
- nature characteristics
-
- <#> QUANTUM 1.0 1.0 CALIBRATION 4
- Emission tomography
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- <#> SEED 0
- seed for random number generator is 0
-
-
- <#> BACKGROUND 0.0
- at levels
- 511
- background absorption 0.0000
-
-
- <#> RUN
- 0.025 seconds phantom creation
- 0.100 seconds projection data creation
- 0.125 seconds used for processing command crea
-
-
- <*>
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- <#> PICTURE TEST
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- EXAMPLE 7 Brain Phantom
-
-
- <#> spec mono 511
- energy spectrum is monochromatic at energy level 511
-
-
- <#> obje
- description of objects
- density at levels
- numb type x-coord y-coord x-length y-length angle av dens 511
-
- 1 elip -7.0000 46.0000 3.0000 6.0000 17.0000 0.4845 0.4845
-
- 2 elip 7.0000 46.0000 3.0000 6.0000 -17.0000 0.5100 0.5100
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- 3 rect -12.0000 64.0000 7.5000 4.5000 5.0000 0.5100 0.5100
-
- 4 rect 12.0000 64.0000 7.5000 4.5000 -5.0000 0.4845 0.4845
-
- 5 rect -38.0000 51.0000 3.5000 13.0000 -39.0000 0.4845 0.4845
-
- 6 rect 38.0000 51.0000 3.5000 13.0000 39.0000 0.5100 0.5100
-
- 7 rect -46.0000 24.0000 6.5000 6.0000 -18.0000 0.4845 0.4845
-
- 8 rect 46.0000 24.0000 6.5000 6.0000 18.0000 0.5100 0.5100
-
- 9 rect -49.0000 6.0000 2.5000 10.0000 63.0000 0.5100 0.5100
-
- 10 rect 49.0000 6.0000 2.5000 10.0000 -63.0000 0.4845 0.4845
-
- 11 rect -52.0000 -14.0000 9.0000 7.0000 -14.0000 0.4845 0.4845
-
- 12 rect 52.0000 -14.0000 9.0000 7.0000 14.0000 0.5100 0.5100
-
- 13 rect -10.0000 -56.0000 5.5000 10.0000 -1.0000 0.4845 0.4845
-
- 14 rect 10.0000 -56.0000 5.5000 10.0000 1.0000 0.5100 0.5100
-
- 15 elip -40.0000 -47.0000 9.0000 22.5000 48.0000 0.5100 0.5100
-
- 16 elip 40.0000 -47.0000 9.0000 22.5000 -48.0000 0.4845 0.4845
-
- 17 elip -8.0000 -22.0000 3.5000 15.5000 -9.0000 0.5100 0.5100
-
- 18 elip 8.0000 -22.0000 3.5000 15.5000 9.0000 0.4845 0.4845
-
- 19 elip -27.0000 -6.0000 5.5000 23.5000 -5.0000 0.4845 0.4845
-
- 20 elip 27.0000 -6.0000 5.5000 23.5000 5.0000 0.5100 0.5100
-
- 21 elip -25.0000 38.0000 6.5000 10.5000 -14.0000 0.5100 0.5100
-
- 22 elip 25.0000 38.0000 6.5000 10.5000 14.0000 0.4845 0.4845
-
- 23 rect -8.0000 32.0000 1.5000 6.5000 38.0000 0.5100 0.5100
-
- 24 rect 8.0000 32.0000 1.5000 6.5000 -38.0000 0.4845 0.4845
-
- 25 rect -8.0000 3.0000 1.0000 9.0000 -33.0000 0.4845 0.4845
-
- 26 rect 8.0000 3.0000 1.0000 9.0000 33.0000 0.5100 0.5100
-
- 27 elip 0.0000 0.0000 66.5000 74.0000 0.0000 0.5100 0.5100
-
- scale factor multiplying object densities 0.5100
-
- seed set to 1
- inhomogeneity set to 0.0500
-
- <#> phan aver 7
-
- density in each pixel is obtained as the average of 7 x 7 points
-
-
- <#> pixe 95 size 1.6000
- picture size 95 x 95, pixel size 1.6000
-
- test picture read
- EXAMPLE 7 Brain Phantom
- 0.000 seconds used for processing command pict
-
-
- <*>
-
- <#> PROJECTION REAL
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- EXAMPLE 7 Brain Phantom
-
-
- <#> spec mono 511
- energy spectrum is monochromatic at energy level 511
-
-
- <#> obje
- description of objects
- density at levels
- numb type x-coord y-coord x-length y-length angle av dens 511
-
- 1 elip -7.0000 46.0000 3.0000 6.0000 17.0000 0.4845 0.4845
-
- 2 elip 7.0000 46.0000 3.0000 6.0000 -17.0000 0.5100 0.5100
-
- 3 rect -12.0000 64.0000 7.5000 4.5000 5.0000 0.5100 0.5100
-
- 4 rect 12.0000 64.0000 7.5000 4.5000 -5.0000 0.4845 0.4845
-
- 5 rect -38.0000 51.0000 3.5000 13.0000 -39.0000 0.4845 0.4845
-
- 6 rect 38.0000 51.0000 3.5000 13.0000 39.0000 0.5100 0.5100
-
- 7 rect -46.0000 24.0000 6.5000 6.0000 -18.0000 0.4845 0.4845
-
- 8 rect 46.0000 24.0000 6.5000 6.0000 18.0000 0.5100 0.5100
-
- 9 rect -49.0000 6.0000 2.5000 10.0000 63.0000 0.5100 0.5100
-
- 10 rect 49.0000 6.0000 2.5000 10.0000 -63.0000 0.4845 0.4845
-
- 11 rect -52.0000 -14.0000 9.0000 7.0000 -14.0000 0.4845 0.4845
-
- 12 rect 52.0000 -14.0000 9.0000 7.0000 14.0000 0.5100 0.5100
-
- 13 rect -10.0000 -56.0000 5.5000 10.0000 -1.0000 0.4845 0.4845
-
- 14 rect 10.0000 -56.0000 5.5000 10.0000 1.0000 0.5100 0.5100
-
- 15 elip -40.0000 -47.0000 9.0000 22.5000 48.0000 0.5100 0.5100
-
- 16 elip 40.0000 -47.0000 9.0000 22.5000 -48.0000 0.4845 0.4845
-
- 17 elip -8.0000 -22.0000 3.5000 15.5000 -9.0000 0.5100 0.5100
-
- 18 elip 8.0000 -22.0000 3.5000 15.5000 9.0000 0.4845 0.4845
-
- 19 elip -27.0000 -6.0000 5.5000 23.5000 -5.0000 0.4845 0.4845
-
- 20 elip 27.0000 -6.0000 5.5000 23.5000 5.0000 0.5100 0.5100
-
- 21 elip -25.0000 38.0000 6.5000 10.5000 -14.0000 0.5100 0.5100
-
- 22 elip 25.0000 38.0000 6.5000 10.5000 14.0000 0.4845 0.4845
-
- 23 rect -8.0000 32.0000 1.5000 6.5000 38.0000 0.5100 0.5100
-
- 24 rect 8.0000 32.0000 1.5000 6.5000 -38.0000 0.4845 0.4845
-
- 25 rect -8.0000 3.0000 1.0000 9.0000 -33.0000 0.4845 0.4845
-
- 26 rect 8.0000 3.0000 1.0000 9.0000 33.0000 0.5100 0.5100
-
- 27 elip 0.0000 0.0000 66.5000 74.0000 0.0000 0.5100 0.5100
-
- scale factor multiplying object densities 0.5100
-
- seed set to 1
- inhomogeneity set to 0.0500
-
- <#> rays aver 1
-
- projection data are calculated by dividing each ray interval into 1 substrips
-
- with aperture (substrip) weights 1
-
-
- <#> geom
-
-
- <#> dive arc source at 153.0000 det dist 306.0000
- rays are divergent from point sources
- source to origin distance 153.0000
- the detectors lie on an arc with source to detector distance = 306.0000
-
-
- <#> rays user 101 spacing 3.2000
- number of rays per projection 101
- snark computed number of rays 151
- at detector spacing 3.2000
-
-
- <#> angl 300
- total number of projections 300
-
-
- projection angles 0.0000 1.2000 2.4000 3.6000 4.8000 6.0000 7.2000 8.4000 9.6000 10.8000
- 12.0000 13.2000 14.4000 15.6000 16.8000 18.0000 19.2000 20.4000 21.6000 22.8000
- 24.0000 25.2000 26.4000 27.6000 28.8000 30.0000 31.2000 32.4000 33.6000 34.8000
- 36.0000 37.2000 38.4000 39.6000 40.8000 42.0000 43.2000 44.4000 45.6000 46.8000
- 48.0000 49.2000 50.4000 51.6000 52.8000 54.0000 55.2000 56.4000 57.6000 58.8000
- 60.0000 61.2000 62.4000 63.6000 64.8000 66.0000 67.2000 68.4000 69.6000 70.8000
- 72.0000 73.2000 74.4000 75.6000 76.8000 78.0000 79.2000 80.4000 81.6000 82.8000
- 84.0000 85.2000 86.4000 87.6000 88.8000 90.0000 91.2000 92.4000 93.6000 94.8000
- 96.0000 97.2000 98.4000 99.6000 100.8000 102.0000 103.2000 104.4000 105.6000 106.8000
- 108.0000 109.2000 110.4000 111.6000 112.8000 114.0000 115.2000 116.4000 117.6000 118.8000
- 120.0000 121.2000 122.4000 123.6000 124.8000 126.0000 127.2000 128.4000 129.6000 130.8000
- 132.0000 133.2000 134.4000 135.6000 136.8000 138.0000 139.2000 140.4000 141.6000 142.8000
- 144.0000 145.2000 146.4000 147.6000 148.8000 150.0000 151.2000 152.4000 153.6000 154.8000
- 156.0000 157.2000 158.4000 159.6000 160.8000 162.0000 163.2000 164.4000 165.6000 166.8000
- 168.0000 169.2000 170.4000 171.6000 172.8000 174.0000 175.2000 176.4000 177.6000 178.8000
- 180.0000 181.2000 182.4000 183.6000 184.8000 186.0000 187.2000 188.4000 189.6000 190.8000
- 192.0000 193.2000 194.4000 195.6000 196.8000 198.0000 199.2000 200.4000 201.6000 202.8000
- 204.0000 205.2000 206.4000 207.6000 208.8000 210.0000 211.2000 212.4000 213.6000 214.8000
- 216.0000 217.2000 218.4000 219.6000 220.8000 222.0000 223.2000 224.4000 225.6000 226.8000
- 228.0000 229.2000 230.4000 231.6000 232.8000 234.0000 235.2000 236.4000 237.6000 238.8000
- 240.0000 241.2000 242.4000 243.6000 244.8000 246.0000 247.2000 248.4000 249.6000 250.8000
- 252.0000 253.2000 254.4000 255.6000 256.8000 258.0000 259.2000 260.4000 261.6000 262.8000
- 264.0000 265.2000 266.4000 267.6000 268.8000 270.0000 271.2000 272.4000 273.6000 274.8000
- 276.0000 277.2000 278.4000 279.6000 280.8000 282.0000 283.2000 284.4000 285.6000 286.8000
- 288.0000 289.2000 290.4000 291.6000 292.8000 294.0000 295.2000 296.4000 297.6000 298.8000
- 300.0000 301.2000 302.4000 303.6000 304.8000 306.0000 307.2000 308.4000 309.6000 310.8000
- 312.0000 313.2000 314.4000 315.6000 316.8000 318.0000 319.2000 320.4000 321.6000 322.8000
- 324.0000 325.2000 326.4000 327.6000 328.8000 330.0000 331.2000 332.4000 333.6000 334.8000
- 336.0000 337.2000 338.4000 339.6000 340.8000 342.0000 343.2000 344.4000 345.6000 346.8000
- 348.0000 349.2000 350.4000 351.6000 352.8000 354.0000 355.2000 356.4000 357.6000 358.8000
-
-
- <#> meas nois
- noise characteristics of projection data follow
- nature characteristics
-
- <#> quan 1.0000 1.0000 cali 4
- Emission tomography
-
- <#> seed 0
- seed for random number generator is 0
-
-
- <#> back 0.0000
- at levels
- 511
- background absorption 0.0000
-
- estimate of totlen = 4263169.769963
- estimate of totden = 2020362.000000
- estimate of average density = 0.4739
- projection data read
- EXAMPLE 7 Brain Phantom
- 0.012 seconds used for processing command proj
-
-
- <*>
-
- <#> STOP ITERATION 20
- 20 iterations
- 0.000 seconds used for processing command stop
-
-
- <*>
-
- <#> EXECUTE AVERAGE EMAP
-
- Example 7 Illustrating the MAP EM algorithm for PET
-
- <#> gamma is 10.0 EVAL
-
- -----------------------------------------------------------
-
- maximum a-posteriori probability expectation maximization
-
- gamma: 10.000
- evaluation flag is set
-
- -----------------------------------------------------------
-
- algorithm executed in iteration 1
- 0.167 seconds for the execution of the algorithm
- iteration 1 completed
- 0.167 seconds for this iteration
- algorithm executed in iteration 2
- 0.096 seconds for the execution of the algorithm
- iteration 2 completed
- 0.096 seconds for this iteration
- algorithm executed in iteration 3
- 0.106 seconds for the execution of the algorithm
- iteration 3 completed
- 0.106 seconds for this iteration
- algorithm executed in iteration 4
- 0.097 seconds for the execution of the algorithm
- iteration 4 completed
- 0.097 seconds for this iteration
- algorithm executed in iteration 5
- 0.096 seconds for the execution of the algorithm
- iteration 5 completed
- 0.096 seconds for this iteration
- algorithm executed in iteration 6
- 0.097 seconds for the execution of the algorithm
- iteration 6 completed
- 0.097 seconds for this iteration
- algorithm executed in iteration 7
- 0.096 seconds for the execution of the algorithm
- iteration 7 completed
- 0.097 seconds for this iteration
- algorithm executed in iteration 8
- 0.097 seconds for the execution of the algorithm
- iteration 8 completed
- 0.097 seconds for this iteration
- algorithm executed in iteration 9
- 0.112 seconds for the execution of the algorithm
- iteration 9 completed
- 0.112 seconds for this iteration
- algorithm executed in iteration 10
- 0.116 seconds for the execution of the algorithm
- iteration 10 completed
- 0.116 seconds for this iteration
- algorithm executed in iteration 11
- 0.100 seconds for the execution of the algorithm
- iteration 11 completed
- 0.100 seconds for this iteration
- algorithm executed in iteration 12
- 0.106 seconds for the execution of the algorithm
- iteration 12 completed
- 0.106 seconds for this iteration
- algorithm executed in iteration 13
- 0.117 seconds for the execution of the algorithm
- iteration 13 completed
- 0.117 seconds for this iteration
- algorithm executed in iteration 14
- 0.115 seconds for the execution of the algorithm
- iteration 14 completed
- 0.115 seconds for this iteration
- algorithm executed in iteration 15
- 0.115 seconds for the execution of the algorithm
- iteration 15 completed
- 0.115 seconds for this iteration
- algorithm executed in iteration 16
- 0.109 seconds for the execution of the algorithm
- iteration 16 completed
- 0.109 seconds for this iteration
- algorithm executed in iteration 17
- 0.102 seconds for the execution of the algorithm
- iteration 17 completed
- 0.102 seconds for this iteration
- algorithm executed in iteration 18
- 0.089 seconds for the execution of the algorithm
- iteration 18 completed
- 0.089 seconds for this iteration
- algorithm executed in iteration 19
- 0.101 seconds for the execution of the algorithm
- iteration 19 completed
- 0.101 seconds for this iteration
- algorithm executed in iteration 20
- 0.099 seconds for the execution of the algorithm
- reconstruction completed after iteration 20
- 0.099 seconds for this iteration
- 2.135 seconds for all iterations
- 2.183 seconds used for processing command exec
-
-
- <*>
-
- <#> END
projects / snark14.git / blobdiff