Author Affiliations
Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, School of Mechanical Engineering, Jiangnan University, Wuxi, Jiangsu 214122, Chinashow less
Fig. 1. Schematic of neighborhood scatter
Fig. 2. Distribution of feature point via different algrithms. (a) ALOI picture group; (b) FAST; (c) C-FAST
Fig. 3. Images from Mikolajczyk
Fig. 4. Results of feature matching. (a) C-FAST++, --; (b) FAST++, --; (c) CSIFT++, --; (d) SURF++, --(+ represents clockwise rotation or scale magnification, - represents counterclockwise rotation and scale reduction.)
Fig. 5. Light intensity picture group
Fig. 6. Comparison of illumination invariance
Fig. 7. Noise performance analysis. C-FAST algorithm in (a) impulse noise environment and (b) Gaussian noise environment; FAST algorithm in (c) impulse noise environment and (d) Gaussian noise environment; CSIFT algorithm in (e) impulse noise environment and (f) Gaussian noise environment; SURF algorithm in (g) impulse noise environment and (h) Gaussian noise environment
Fig. 8. Operation results in the natural light environment. (a) C-FAST; (b) FAST; (c) CSIFT; (d) SURF
Fig. 9. Algorithm matching logarithm
Fig. 10. Average time consuming of procedure
Algorithm | Matching number | Average matching rate /% | Average time /s |
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| | M1 | M2 | N1 | N2 |
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C-FAST | 153 | 165 | 124 | 126 | 50.91 | 0.031470 | FAST | 235 | 344 | 147 | 163 | 38.08 | 0.026257 | CSIFT | 326 | 110 | 92 | 130 | 53.06 | 0.051642 | SURF | 127 | 152 | 170 | 82 | 48.23 | 0.037182 |
|
Table 1. Parameter comparison of different algorithms