Research Article
An Effective Recognition Method for Road Information Based on Mobile Terminal
Table 5
A statistical table of the cost of calculation of HOG features (64 × 128 detection window).
| | Resolution (pixel) | Moving blocks | Detection window | Time overhead
(ms) (Matlab) | Time overhead (ms) (OpenCV) |
| | 176 144 | 105 | 3780 | 408.5 | 9.5 | | 320 240 | 105 | 3780 | 814.9 | 62.6 | | 352 288 | 105 | 3780 | 1013.4 | 91.1 | | 640 480 | 105 | 3780 | 2808.5 | 330.0 | | 704 576 | 105 | 3780 | 3622.9 | 427.9 | | 720 480 | 105 | 3780 | 3081.1 | 359.0 | | 720 576 | 105 | 3780 | 4233.1 | 453.1 | | 1280 720 | 105 | 3780 | 8048.8 | 1028.2 | | 1920 1080 | 105 | 3780 | 17962.7 | 2352.6 |
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