. 2018 Apr 25;13(4):e0194526. doi: 10.1371/journal.pone.0194526

Table 8. Analysis of the computational complexity (time in seconds) required for feature extraction.

Proposed technique based on visual words fusion	Dubey et al. [47]			Tian et al. [35]
Proposed technique based on visual words fusion	RSHD	CDH	SHE	Tian et al. [35]
0.173	0.375	1.709	0.186	5.6