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 = 48
|   Segment [0] from curve   93
|      600 samples [1090..1689]
|     0.086 of the curve [0.156__0.241]
|   Segment [1] from curve  106 (reversed)
|      600 samples [3216..3815]
|     0.092 of the curve [0.491__0.582]
| Candidate after realignment and trimming:
|   Candidate index = 48
|   Segment [0] from curve   93
|      513 samples [1133..1645]
|     0.073 of the curve [0.162__0.235]
|   Segment [1] from curve  106 (reversed)
|      513 samples [3260..3772]
|     0.078 of the curve [0.497__0.576]
| 
| 
| signal = "d" (difference of the two shape functions)
stride = 0
unit = 0.000661458
samples = 513
0
-17
-36
-58
-81
-105
-129
-153
-177
-200
-222
-242
-260
-276
-289
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-310
-307
-302
-295
-286
-274
-261
-246
-229
-211
-192
-171
-149
-125
-101
-75
-49
-23
2
27
51
73
94
114
133
153
173
193
215
239
264
290
317
345
373
402
431
460
488
516
543
570
596
621
646
671
695
719
744
768
792
815
838
860
880
899
915
930
942
952
959
965
968
969
968
965
959
950
938
923
905
884
861
836
810
783
755
727
699
672
645
620
596
574
553
532
513
494
476
457
438
419
400
380
360
340
319
298
278
257
236
216
196
177
158
139
121
104
88
74
61
50
41
33
28
24
23
23
25
29
35
42
51
61
72
83
93
103
111
118
123
128
132
137
142
149
158
170
185
202
223
246
271
298
326
353
380
405
428
449
467
483
496
507
516
524
532
538
545
552
558
564
570
576
580
583
584
583
580
574
567
559
549
540
530
521
513
505
499
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488
484
481
479
477
477
477
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480
484
488
493
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507
516
526
537
549
562
576
588
599
609
616
621
624
624
623
619
614
608
601
593
585
576
566
557
548
540
534
530
528
528
532
537
544
553
562
570
578
585
591
595
599
601
602
604
605
606
608
612
617
624
634
646
660
675
692
709
726
743
758
771
783
794
804
813
822
830
839
847
856
864
872
879
885
889
892
893
893
892
890
888
886
884
883
883
883
885
888
892
898
905
913
922
932
943
953
964
975
984
992
998
1002
1003
1001
997
988
977
962
944
923
900
875
848
819
788
757
724
690
657
623
590
559
530
502
477
453
431
410
390
371
352
332
313
292
271
250
227
204
181
158
135
112
90
69
49
30
13
-3
-17
-30
-43
-56
-69
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-87
-74
-59
-44
-29
-14
0
end frb_signal_t