From: Efficient scan mask techniques for connected components labeling algorithm
Image size | Â | Time (ms) | |||
---|---|---|---|---|---|
 |  | P-mask | He et al. [8] | Grana et al. [3] | B-mask |
32 × 32 | Max | 0.089 | 0.073 | 0.066 | 0.057 |
 | Mean | 0.079 | 0.071 | 0.061 | 0.052 |
 | Min | 0.077 | 0.069 | 0.059 | 0.051 |
64 × 64 | Max | 0.261 | 0.235 | 0.199 | 0.196 |
 | Mean | 0.255 | 0.231 | 0.183 | 0.170 |
 | Min | 0.253 | 0.228 | 0.180 | 0.167 |
128 × 128 | Max | 0.988 | 0.907 | 0.692 | 0.667 |
 | Mean | 0.971 | 0.879 | 0.670 | 0.646 |
 | Min | 0.956 | 0.872 | 0.661 | 0.639 |
256 × 256 | Max | 3.834 | 3.549 | 2.597 | 2.521 |
 | Mean | 3.805 | 3.458 | 2.528 | 2.463 |
 | Min | 3.789 | 3.433 | 2.493 | 2.440 |
512 × 512 | Max | 15.156 | 13.670 | 10.174 | 9.738 |
 | Mean | 14.990 | 13.619 | 9.956 | 9.673 |
 | Min | 14.926 | 13.544 | 9.869 | 9.596 |
1024 × 1024 | Max | 60.948 | 55.261 | 40.324 | 39.457 |
 | Mean | 60.774 | 55.048 | 40.150 | 39.345 |
 | Min | 60.475 | 54.742 | 39.929 | 39.163 |
2048 × 2048 | Max | 243.826 | 221.408 | 161.328 | 158.302 |
 | Mean | 242.379 | 219.898 | 160.525 | 157.797 |
 | Min | 241.729 | 219.347 | 159.704 | 156.580 |
4096 × 4096 | Max | 975.844 | 890.058 | 644.728 | 630.697 |
 | Mean | 971.885 | 887.415 | 641.529 | 628.239 |
 | Min | 968.073 | 882.260 | 637.380 | 625.054 |