Sketch Recognition, Fall 2006, Instructor: Tracy Hammond
Rubine Homework Debugging Help
Shape Images
Shape 1
Shape 2
Shape 3
Shape 4
Shape 5
Shape 6
Shape 7
Shape 8
Rubine Features for Random Shapes
shape 1 shape 2 shape 3 shape 4 shape 5 shape 6 shape 7 shape 8
-0.89822 -0.44721 0 -0.090536 0.5145 -0.39156 -0.24254 0.89443 f1 (cosine of start angle)
0.43955 -0.89443 1 0.99589 -0.85749 0.92015 0.97014 0.44721 f2 (sine of start angle)
271.76 229.38 457.83 245.6 518.82 505.89 255.01 246.34 f3 (length of bounding box diagonal)
0.82704 0.83474 0.6553 0.8286 0.6142 0.66208 1.563 0.052796 f4 (angle of bounding box diagonal)
115.88 115.55 102.14 73.79 244.63 249.16 255 246.34 f5 (distance from start to end point)
-0.36245 -0.91735 0.94966 0.44721 -0.44558 0.64216 0 0.99861 f6 (cosine of angle from start to end point)
0.932 0.39809 0.31329 0.89443 -0.89524 0.76657 1 0.052772 f7 (sine of angle from start to end point)
610.44 459.76 966.89 528.37 1185.3 1122.4 255.34 248.71 f8 (total stroke length)
6.2832 7.854 -1.5708 1.1071 4.7184e-016 -0.46365 0 0 f9 (total relative rotation)
9.4248 8.2584 8.5713 8.0603 11.425 10.653 0.78154 6.1104 f10 (total absolute rotation - movement)
4.7736 2.8019 2.5113 3.9516 4.0425 6.5065 0.16924 6.3812 f11 (total rotation squared - sharpness)
4.2756 3.7227 49.316 8.6445 31.941 25.391 5.6406 5.6445 f12 (max speed)
813 515 812 828 1156 1531 438 531 f13 (total time)
Points left in Shape 1 after removing duplicate xy values (size 46 points):
626 159 1156959168983
624 159 1156959169108
532 205 1156959169218
521 222 1156959169233
514 235 1156959169249
510 251 1156959169265
509 268 1156959169265
509 282 1156959169280
511 297 1156959169296
516 314 1156959169311
523 325 1156959169327
533 335 1156959169343
546 344 1156959169358
557 350 1156959169358
569 356 1156959169374
584 358 1156959169390
599 359 1156959169405
612 359 1156959169421
630 353 1156959169436
655 344 1156959169452
668 337 1156959169452
677 332 1156959169468
681 327 1156959169483
685 322 1156959169499
689 315 1156959169515
693 302 1156959169530
693 292 1156959169546
693 279 1156959169546
690 264 1156959169561
686 253 1156959169577
681 245 1156959169593
672 240 1156959169608
660 236 1156959169624
648 235 1156959169640
636 235 1156959169640
624 237 1156959169655
614 240 1156959169671
604 243 1156959169686
598 246 1156959169702
594 249 1156959169718
590 254 1156959169733
588 257 1156959169749
585 262 1156959169749
585 265 1156959169765
585 267 1156959169780
584 267 1156959169796
Change in rotation for shape 1 after removing duplicate xy values (size 44)
0.463647609000806
0.532843887619389
0.0803634612551205
0.248962705792717
0.186222840411141
0.0587558227157227
0.132551532296674
0.153499909420644
0.280677775806188
0.218668945873942
0.179853499792478
0.10619794192484
0.035699112679324
0.331096076704132
0.0659833685208502
0.0665681637758238
0.321750554396642
0.0238050261850699
0.148385788337869
0.0131571354727557
0.388956880179007
0
0.15559482797703
0.220647182660344
0.298498931586179
0
0.197395559849881
0.151375443734026
0.209828311759655
0.505098507058997
0.185347949995695
0.238609322508201
0.0831412318884412
0.165148677414627
0.12630811706324
0
0.172190814522939
0.179853499792478
0.25255427577806
0.0867383386759851
0.0475831032769834
0.540419500270584
0
-1.5707963267949
Feature Vector Mean for the letter `a'
-0.75557
-0.54449
100.36
0.81673
61.014
0.16101
0.97718
254.04
6.0273
9.3618
4.8573
1.6352
798.93
Normalized Covariance Matrix for the letter `a'
Columns 1 through 7
0.068163 -0.061091 -0.75096 0.0053095 -1.0298 0.0068213 -0.0019073
-0.061091 0.073959 0.25997 -0.0092158 0.72687 -0.0046386 0.0021039
-0.75096 0.25997 220.25 0.38006 220.79 0.19439 -0.095736
0.0053095 -0.0092158 0.38006 0.008471 0.59835 -0.0054692 0.00075607
-1.0298 0.72687 220.79 0.59835 321.06 0.11741 -0.094898
0.0068213 -0.0046386 0.19439 -0.0054692 0.11741 0.019731 -0.0037666
-0.0019073 0.0021039 -0.095736 0.00075607 -0.094898 -0.0037666 0.00083606
-1.7916 0.52951 616.31 0.72936 587.23 0.1671 -0.22862
0.19594 -0.17973 0.30033 0.021173 2.0425 0.056675 -0.015
0.40881 -0.46167 3.4404 0.011047 17.957 0.24486 -0.06096
0.46657 -0.56698 10.998 0.007477 25.204 0.26694 -0.074813
-0.044031 0.015782 4.7836 0.032497 8.531 0.037383 -0.0070913
10.495 -11.911 262.65 -1.1785 335.41 8.119 -1.7555
Columns 8 through 13
-1.7916 0.19594 0.40881 0.46657 -0.044031 10.495
0.52951 -0.17973 -0.46167 -0.56698 0.015782 -11.911
616.31 0.30033 3.4404 10.998 4.7836 262.65
0.72936 0.021173 0.011047 0.007477 0.032497 -1.1785
587.23 2.0425 17.957 25.204 8.531 335.41
0.1671 0.056675 0.24486 0.26694 0.037383 8.119
-0.22862 -0.015 -0.06096 -0.074813 -0.0070913 -1.7555
1943.2 -3.3189 5.2542 36.102 6.3689 215.01
-3.3189 0.85811 2.0909 2.331 0.13393 61.27
5.2542 2.0909 9.6974 11.434 0.93107 214.76
36.102 2.331 11.434 14.893 0.83519 239.49
6.3689 0.13393 0.93107 0.83519 0.7229 13.233
215.01 61.27 214.76 239.49 13.233 10201
Unnormalized Covariance Matrix for the letter `a'
Columns 1 through 7
0.95428 -0.85528 -10.513 0.074334 -14.417 0.095498 -0.026702
-0.85528 1.0354 3.6396 -0.12902 10.176 -0.064941 0.029454
-10.513 3.6396 3083.5 5.3209 3091.1 2.7215 -1.3403
0.074334 -0.12902 5.3209 0.11859 8.3769 -0.076568 0.010585
-14.417 10.176 3091.1 8.3769 4494.9 1.6437 -1.3286
0.095498 -0.064941 2.7215 -0.076568 1.6437 0.27624 -0.052733
-0.026702 0.029454 -1.3403 0.010585 -1.3286 -0.052733 0.011705
-25.083 7.4132 8628.3 10.211 8221.2 2.3394 -3.2007
2.7432 -2.5162 4.2046 0.29642 28.595 0.79346 -0.21
5.7234 -6.4633 48.166 0.15465 251.39 3.4281 -0.85344
6.532 -7.9378 153.97 0.10468 352.85 3.7371 -1.0474
-0.61644 0.22095 66.971 0.45496 119.43 0.52336 -0.099278
146.93 -166.76 3677.1 -16.499 4695.7 113.67 -24.576
Columns 8 through 13
-25.083 2.7432 5.7234 6.532 -0.61644 146.93
7.4132 -2.5162 -6.4633 -7.9378 0.22095 -166.76
8628.3 4.2046 48.166 153.97 66.971 3677.1
10.211 0.29642 0.15465 0.10468 0.45496 -16.499
8221.2 28.595 251.39 352.85 119.43 4695.7
2.3394 0.79346 3.4281 3.7371 0.52336 113.67
-3.2007 -0.21 -0.85344 -1.0474 -0.099278 -24.576
27205 -46.464 73.558 505.43 89.164 3010.1
-46.464 12.014 29.272 32.634 1.875 857.78
73.558 29.272 135.76 160.08 13.035 3006.7
505.43 32.634 160.08 208.5 11.693 3352.9
89.164 1.875 13.035 11.693 10.121 185.26
3010.1 857.78 3006.7 3352.9 185.26 1.4282e+005
First column of common covariance matrix
0.092201
-0.026816
-0.54169
-0.0027266
-0.68841
0.014771
-0.0022798
-1.0569
-0.015565
0.13256
0.16128
-0.015225
4.3667
First column of inverse of common covariance matrix
13.809
4.4782
-0.011673
4.0232
0.0072299
-7.7238
-2.0867
0.0057572
0.099306
-0.10234
-0.11906
-0.072709
0.0011699
Weights for feature `a'
-12.592
-9.5355
-0.21989
104.52
0.10663
23.324
20.259
0.16971
2.5437
4.3342
-3.2005
0.17489
0.053282
Initial weights
W0(a) = -117.19
W0(c) = -94.728
W0(d) = -157.38
W0(e) = -130.97
Debug data for Long: the first example of the letter a
Columns 1 through 8
-0.78087 -0.6247 78.102 0.87606 42 0 1 198.94
Columns 9 through 16
5.6221 7.9825 4.0212 0.09066 1.6505 0.028261 4.7366 2.5471
Columns 17 through 22
0.53775 3000 8.0064 0.70431 5.293 -2.4006