Secure Access Control and Large Scale Robust Representation for Online Multimedia Event Detection

Table 1

Comparison of different descriptors for average performance on TRECVID MED 2012 dataset.

Descriptors	MAP	MPMiss	MMinNDC
1000OBK	0.2507	0.3695	0.6078
Object bank [8, 9]	0.1884	0.3963	0.6635
MoSIFT [31]	0.2264	0.3778	0.6221
KLT trajectories [46, 47]	0.1987	0.4270	0.6944