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Table 2 Comparison of detected corners/endpoints with the ground truth for the ten test images

From: A variant of the Hough Transform for the combined detection of corners, segments, and polylines

    NEp c  
    FAST Harris HT3D
   dEp 4 3 2 4 3 2 4 3 2
  NEP g           
1 78   35 33 25 45 40 32 53 47 33
2 222   118 96 70 127 115 93 143 128 99
3 170   81 71 59 93 90 73 125 120 94
4 1104   551 471 359 552 497 406 710 631 508
5 538   230 197 133 238 208 160 347 284 213
6 790   408 364 281 452 410 359 524 488 406
7 644   265 227 171 293 262 234 352 323 271
8 577   336 289 201 369 333 234 394 354 297
9 248   106 94 67 112 103 90 146 137 117
10 346   190 170 138 215 197 175 246 220 189
  1. The number of correct matchings of each method (NEp c ) is shown considering different values of the distance between ground truth and detected points (dEp). The total number of ground truth points (NEP g ) is shown in the first column