1 snark14.s170426 - A PICTURE RECONSTRUCTION PROGRAM
6 <*> ROTATED RECTANGLE WITH PSEUDO PROJECTION DATA
8 <*> RECONSTRUCTION BY ART WITH BLOB BASIS
16 EXAMPLE 10 ROTATED RECTANGLE
19 <#> SPECTRUM MONOCHROMATIC 10
20 energy spectrum is monochromatic at energy level 10
24 description of objects
26 numb type x-coord y-coord x-length y-length angle av dens 10
28 1 rect 0.0000 0.0000 2.0000 10.0000 -30.0000 1.0000 1.0000
30 scale factor multiplying object densities 1.0000
33 inhomogeneity set to 0.0000
37 this run will generate a phantom
38 density in each pixel is obtained as the average of 1 x 1 points
41 <#> 25 PIXELS OF SIZE 1.0
42 picture size 25 x 25, pixel size 1.0000
47 0.000 seconds phantom creation
48 0.000 seconds used for processing command crea
57 EXAMPLE 10 ROTATED RECTANGLE
61 energy spectrum is monochromatic at energy level 10
65 description of objects
67 numb type x-coord y-coord x-length y-length angle av dens 10
69 1 rect 0.0000 0.0000 2.0000 10.0000 -30.0000 1.0000 1.0000
71 scale factor multiplying object densities 1.0000
74 inhomogeneity set to 0.0000
78 density in each pixel is obtained as the average of 1 x 1 points
81 <#> pixe 25 size 1.0000
82 picture size 25 x 25, pixel size 1.0000
85 EXAMPLE 10 ROTATED RECTANGLE
86 0.000 seconds used for processing command pict
93 EXAMPLE 10 PSEUDO PROJECTION DATA FOR TWELVE VIEWS
100 <#> PARALLEL UNIFORM LINE
101 rays are parallel with uniform spacing between rays
102 data collected along lines
106 <#> RAYS PROGRAM 25 2.0 DETECTOR SPACING AT 2.0
107 number of rays per projection 37
108 snark computed number of rays 19
109 at detector spacing 2.0000
112 <#> ANGLES 12 EQUALLY SPACED
113 total number of projections 12
115 projection angles 0.0000 15.0000 30.0000 45.0000 60.0000 75.0000 90.0000 105.0000 120.0000 135.0000
119 <#> MEASUREMENT PERFECT
120 projection data are noiseless
126 background absorption 50.0000
128 estimate of totlen = 3776.330760
129 estimate of totden = 498.725717
130 estimate of average density = 0.1321
132 EXAMPLE 10 PSEUDO PROJECTION DATA FOR TWELVE VIEWS
133 0.000 seconds used for processing command proj
139 hexagonal grid: there are 25 rows, the middle row has 21 grid points and the row next to the middle one has 22 grid points
140 blob basis with parameters: support = 2.0629 shape = 11.2829 delta = 1.1547
141 0.083 seconds used for processing command basi
146 <#> SELECT SNARK RAYSEQ
149 sequential ray selection with ray-step 1 and projection-step 3
150 0.000 seconds used for processing command sele
155 <#> STOP ITERATION 10
157 0.000 seconds used for processing command stop
162 <#> EXECUTE AVERAGE ART
168 relaxation parameter is 1.0
174 relaxation constraints with cr = 1.0
175 picture is not normalized
176 228 rays are used for each iteration
177 algorithm executed in iteration 1
178 0.001 seconds for the execution of the algorithm
179 iteration 1 completed
180 0.001 seconds for this iteration
181 algorithm executed in iteration 2
182 0.000 seconds for the execution of the algorithm
183 iteration 2 completed
184 0.001 seconds for this iteration
185 algorithm executed in iteration 3
186 0.000 seconds for the execution of the algorithm
187 iteration 3 completed
188 0.001 seconds for this iteration
189 algorithm executed in iteration 4
190 0.000 seconds for the execution of the algorithm
191 iteration 4 completed
192 0.001 seconds for this iteration
193 algorithm executed in iteration 5
194 0.000 seconds for the execution of the algorithm
195 iteration 5 completed
196 0.001 seconds for this iteration
197 algorithm executed in iteration 6
198 0.000 seconds for the execution of the algorithm
199 iteration 6 completed
200 0.001 seconds for this iteration
201 algorithm executed in iteration 7
202 0.000 seconds for the execution of the algorithm
203 iteration 7 completed
204 0.001 seconds for this iteration
205 algorithm executed in iteration 8
206 0.000 seconds for the execution of the algorithm
207 iteration 8 completed
208 0.001 seconds for this iteration
209 algorithm executed in iteration 9
210 0.000 seconds for the execution of the algorithm
211 iteration 9 completed
212 0.001 seconds for this iteration
213 algorithm executed in iteration 10
214 0.000 seconds for the execution of the algorithm
215 reconstruction completed after iteration 10
216 0.001 seconds for this iteration
217 0.007 seconds for all iterations
218 0.008 seconds used for processing command exec
225 0.000 seconds used for processing command basi
228 <#> EXECUTE AVERAGE ART
234 relaxation parameter is 1.0
240 relaxation constraints with cr = 1.0
241 picture is not normalized
242 228 rays are used for each iteration
243 algorithm executed in iteration 1
244 0.000 seconds for the execution of the algorithm
245 iteration 1 completed
246 0.000 seconds for this iteration
247 algorithm executed in iteration 2
248 0.000 seconds for the execution of the algorithm
249 iteration 2 completed
250 0.000 seconds for this iteration
251 algorithm executed in iteration 3
252 0.000 seconds for the execution of the algorithm
253 iteration 3 completed
254 0.000 seconds for this iteration
255 algorithm executed in iteration 4
256 0.000 seconds for the execution of the algorithm
257 iteration 4 completed
258 0.000 seconds for this iteration
259 algorithm executed in iteration 5
260 0.000 seconds for the execution of the algorithm
261 iteration 5 completed
262 0.000 seconds for this iteration
263 algorithm executed in iteration 6
264 0.000 seconds for the execution of the algorithm
265 iteration 6 completed
266 0.000 seconds for this iteration
267 algorithm executed in iteration 7
268 0.000 seconds for the execution of the algorithm
269 iteration 7 completed
270 0.000 seconds for this iteration
271 algorithm executed in iteration 8
272 0.000 seconds for the execution of the algorithm
273 iteration 8 completed
274 0.000 seconds for this iteration
275 algorithm executed in iteration 9
276 0.000 seconds for the execution of the algorithm
277 iteration 9 completed
278 0.000 seconds for this iteration
279 algorithm executed in iteration 10
280 0.000 seconds for the execution of the algorithm
281 reconstruction completed after iteration 10
282 0.000 seconds for this iteration
283 0.001 seconds for all iterations
284 0.002 seconds used for processing command exec
291 COMPARING BLOB AND PIXEL BASIS
294 Region cx cy u v ang t1 t2
296 wholepic -1e+20 1e+20
298 iterations 1 2 3 4 5 6 7 8 9
301 residual calculation using line integration
302 0.004 seconds used for processing command eval