begin frb_signal_t (format of 2004-11-21)
| Input candidate set:
| Last edited on 2005-01-02 00:20:33 by stolfi
| 
| False candidates
| Generated from ../../std/s/raw.can by swapping segments
| between candidates.
| 
| 
| frb_analyze
|   maxShift =    0.000 pixels
|   nSamples = 513
| 
| Input candidate:
|   Candidate index = 32
|   Segment [0] from curve   47
|      600 samples [4584..5183]
|     0.069 of the curve [0.529__0.598]
|   Segment [1] from curve   66 (reversed)
|      600 samples [ 972..1571]
|     0.073 of the curve [0.119__0.192]
| Candidate after realignment and trimming:
|   Candidate index = 32
|   Segment [0] from curve   47
|      513 samples [4627..5139]
|     0.059 of the curve [0.534__0.593]
|   Segment [1] from curve   66 (reversed)
|      513 samples [1016..1528]
|     0.063 of the curve [0.124__0.186]
| 
| 
| signal = "d" (difference of the two shape functions)
stride = 0
unit = 0.000661458
samples = 513
0
32
67
103
142
182
223
264
306
348
390
432
472
511
549
584
616
646
671
693
711
725
736
744
750
755
759
763
766
769
771
772
771
768
761
753
741
726
707
686
663
638
611
584
557
531
506
483
460
440
420
400
381
362
343
323
303
281
259
235
209
183
157
130
105
82
60
40
22
6
-8
-21
-31
-40
-47
-53
-57
-60
-63
-65
-68
-72
-76
-82
-88
-95
-101
-106
-111
-113
-114
-112
-109
-104
-97
-90
-82
-74
-66
-56
-46
-35
-23
-8
7
25
43
62
80
99
115
130
143
153
161
167
170
171
171
169
165
161
156
151
145
141
136
133
130
128
127
128
130
134
140
147
156
167
179
192
205
217
227
236
243
247
249
248
246
242
236
230
224
219
215
214
215
219
227
237
250
265
280
297
314
330
347
364
381
398
415
432
449
466
482
498
514
531
547
564
581
599
618
639
662
687
715
745
777
810
844
876
907
935
960
981
999
1013
1025
1033
1039
1044
1047
1049
1051
1053
1054
1055
1055
1055
1054
1051
1047
1041
1033
1023
1012
999
984
968
951
931
911
889
867
845
824
805
789
776
766
761
760
762
767
774
781
789
795
799
801
802
800
797
792
787
783
778
774
771
770
771
775
781
789
798
809
821
831
840
846
850
851
849
846
841
834
827
820
813
805
797
789
780
770
760
750
738
727
715
703
692
682
672
665
659
654
652
651
651
653
656
659
662
665
667
668
667
666
663
661
658
656
654
654
656
658
663
668
676
684
693
703
714
724
734
744
754
762
770
778
784
790
795
800
803
805
806
806
804
801
797
792
786
779
770
761
751
740
728
716
704
692
681
671
662
653
646
638
630
622
612
601
589
574
557
539
519
499
478
458
438
420
404
390
379
369
360
353
346
339
332
324
315
305
294
283
272
261
251
242
235
228
223
220
218
217
217
217
217
216
215
211
207
200
192
182
171
159
148
136
126
116
107
100
94
89
85
83
82
83
88
94
103
114
126
140
154
167
181
192
203
211
218
223
226
227
228
227
224
221
217
212
205
198
191
182
174
165
156
148
141
136
133
132
133
138
146
156
169
184
200
216
232
247
260
272
281
287
291
293
293
291
289
287
285
286
289
294
302
312
323
334
345
355
363
368
371
372
370
366
361
355
348
341
333
325
317
310
302
293
284
275
266
255
244
232
220
207
194
181
168
156
143
131
118
105
90
74
56
38
19
0
end frb_signal_t