Research on Moving Target Detection and Tracking Technology in Sports Video Based on SIFT Algorithm

Table 7

The resolution repetition rate of the key point detection algorithm on the random view data set.

Reduced proportions	50%	70%	80%	90%	95%
ISS	0.148672	0.161701	0.145844	0.085244	0.033532
KPQ	0.051409	0.030603	0.018382	0.029997	0.030603
HoNO	0.066155	0.046561	0.03232	0.019493	0.015857
LSP	0.086759	0.062822	0.036764	0.015655	0.003838
3D-Harris	0.089991	0.081406	0.104434	0.055247	0.016059
3D-SIFT	0.111908	0.122917	0.110999	0.082921	0.037269