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 = 2
|   Segment [0] from curve    1
|      600 samples [3804..4403]
|     0.102 of the curve [0.645__0.747]
|   Segment [1] from curve   15 (reversed)
|      600 samples [ 805..1404]
|     0.123 of the curve [0.166__0.289]
| Candidate after realignment and trimming:
|   Candidate index = 2
|   Segment [0] from curve    1
|      513 samples [3847..4359]
|     0.087 of the curve [0.652__0.739]
|   Segment [1] from curve   15 (reversed)
|      513 samples [ 849..1361]
|     0.106 of the curve [0.175__0.280]
| 
| 
| signal = "d" (difference of the two shape functions)
stride = 0
unit = 0.000661458
samples = 513
0
-9
-19
-30
-41
-51
-59
-65
-70
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-70
-68
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-92
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-76
-66
-55
-43
-30
-17
-4
9
20
31
40
48
56
63
69
74
79
84
88
92
96
100
106
113
120
130
141
154
168
184
201
218
237
255
273
291
308
324
338
351
363
373
382
391
399
407
415
425
435
447
460
473
486
499
512
523
534
544
552
561
569
578
588
598
611
625
640
656
673
691
708
725
741
756
770
782
793
803
812
819
826
833
840
846
854
861
869
878
888
898
908
917
925
932
936
939
938
934
927
917
904
890
874
857
841
826
812
800
790
782
776
771
767
764
763
762
763
765
768
772
778
784
791
799
808
817
826
836
847
859
872
886
901
918
936
954
974
995
1016
1039
1062
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1188
1215
1241
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1294
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1397
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1170
1145
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1091
1064
1037
1009
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955
929
904
880
856
834
812
792
773
754
736
719
703
687
671
657
643
631
620
609
599
588
577
564
550
534
517
498
480
461
443
427
412
399
388
378
370
363
357
352
348
343
339
334
330
325
319
314
308
302
295
288
281
273
264
255
244
233
220
206
191
176
160
145
130
116
103
90
79
68
57
47
38
29
21
14
8
4
1
-1
-1
1
4
8
13
19
24
30
35
39
42
44
45
44
42
39
35
30
24
19
14
9
5
2
1
1
2
4
6
10
13
16
18
20
22
22
22
22
21
21
21
22
24
28
34
41
52
64
78
95
112
131
150
169
187
204
218
229
238
245
249
250
251
250
249
247
246
244
243
242
240
238
235
231
226
221
215
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202
196
190
185
182
181
182
186
194
206
221
240
262
287
313
341
369
397
426
454
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511
539
567
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623
651
678
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728
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769
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816
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825
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815
811
805
799
793
786
778
770
761
752
742
732
722
711
700
689
676
663
649
633
616
597
576
555
531
508
484
459
435
410
384
358
329
300
269
237
204
171
139
108
78
50
24
0
-22
-41
-59
-74
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-106
-112
-116
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-119
-117
-115
-111
-107
-101
-95
-88
-81
-75
-70
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-65
-64
-66
-68
-71
-73
-75
-75
-74
-71
-66
-59
-51
-41
-30
-18
-7
5
16
27
35
42
47
51
52
52
51
48
43
37
30
22
11
0
end frb_signal_t