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 = 26
|   Segment [0] from curve   39
|      600 samples [2104..2703]
|     0.115 of the curve [0.403__0.518]
|   Segment [1] from curve   45 (reversed)
|      600 samples [ 163.. 762]
|     0.107 of the curve [0.029__0.136]
| Candidate after realignment and trimming:
|   Candidate index = 26
|   Segment [0] from curve   39
|      513 samples [2147..2659]
|     0.098 of the curve [0.411__0.509]
|   Segment [1] from curve   45 (reversed)
|      513 samples [ 207.. 719]
|     0.091 of the curve [0.037__0.128]
| 
| 
| signal = "d" (difference of the two shape functions)
stride = 0
unit = 0.000661458
samples = 513
0
-15
-33
-52
-72
-93
-113
-133
-150
-165
-177
-186
-190
-191
-187
-179
-168
-153
-136
-117
-98
-79
-62
-46
-34
-23
-16
-11
-7
-5
-4
-3
-1
2
7
13
22
32
43
56
68
80
92
104
114
125
135
145
155
166
177
189
202
215
228
241
253
265
277
288
299
310
322
335
348
362
376
390
404
417
429
440
450
459
467
475
483
492
502
515
529
545
564
586
611
637
664
692
720
748
774
799
822
845
866
886
905
924
942
960
979
997
1017
1038
1059
1082
1106
1130
1156
1181
1207
1233
1259
1283
1307
1330
1352
1373
1392
1411
1430
1448
1465
1483
1502
1521
1541
1562
1585
1608
1633
1658
1683
1708
1732
1755
1777
1796
1814
1830
1845
1858
1870
1880
1889
1897
1904
1909
1913
1916
1918
1920
1922
1923
1924
1924
1924
1923
1921
1919
1917
1914
1911
1908
1906
1904
1902
1900
1900
1900
1900
1901
1903
1905
1907
1910
1913
1916
1918
1920
1922
1923
1922
1921
1918
1913
1905
1895
1883
1868
1851
1834
1815
1796
1777
1758
1740
1722
1705
1688
1671
1655
1639
1623
1608
1593
1577
1562
1546
1529
1510
1491
1471
1449
1427
1404
1381
1359
1336
1315
1295
1277
1261
1247
1236
1228
1223
1220
1220
1222
1227
1235
1244
1254
1266
1277
1286
1293
1298
1299
1298
1295
1291
1287
1283
1281
1281
1283
1287
1292
1297
1302
1306
1307
1306
1301
1294
1284
1273
1260
1248
1236
1226
1218
1213
1211
1211
1214
1220
1229
1239
1251
1264
1277
1288
1299
1308
1315
1320
1325
1329
1332
1336
1340
1345
1350
1356
1361
1366
1371
1375
1377
1377
1377
1374
1371
1366
1361
1355
1350
1346
1344
1344
1345
1349
1354
1362
1370
1378
1385
1391
1395
1396
1395
1391
1384
1374
1363
1351
1338
1324
1310
1296
1281
1265
1248
1231
1211
1190
1167
1143
1117
1091
1063
1036
1008
980
954
928
903
880
857
836
816
797
780
763
747
732
718
704
691
679
666
655
643
632
621
609
598
587
576
564
552
540
528
516
505
495
485
477
470
465
462
461
462
465
470
476
483
492
500
508
515
522
529
535
541
547
552
558
565
572
579
587
595
602
610
617
624
631
638
647
658
670
684
701
720
741
763
786
810
834
857
880
901
922
941
959
977
996
1015
1035
1057
1080
1104
1129
1154
1178
1202
1224
1244
1262
1277
1289
1298
1303
1304
1301
1294
1283
1269
1252
1234
1214
1195
1177
1160
1145
1132
1119
1109
1099
1091
1084
1078
1073
1069
1065
1062
1058
1055
1050
1045
1038
1030
1021
1010
998
986
973
960
946
933
920
907
893
878
861
842
821
797
770
740
709
676
643
610
577
546
516
487
461
436
412
390
368
347
326
305
284
262
240
217
193
169
145
120
95
70
46
22
0
end frb_signal_t