A Study of Feature Combination for Vehicle Detection Based on Image Processing

Table 14

Diversity measures for the far region: (a) double fault and (b) correlation coefficient.

(a)

DF	PCA	V-HOG	LG	𝑆	𝐺
PCA	—	7.8	14.2	21.6	15.4
V-HOG	7.8	—	23.2	13	15.2
LG	14.2	23.2	—	20.2	28.0
𝑆	21.6	13	20.2	—	21.2
𝐺	15.4	15.2	28.0	21.2	—

(b)

𝜌𝑖,𝑗	PCA	V-HOG	LG	𝑆	𝐺
PCA	1	0.04	0.07	0.01	0.05
V-HOG	0.04	1	0.30	0.03	0.14
LG	0.07	0.30	1	0.02	0.21
𝑆	0.01	0.03	0.02	1	−0.01
𝐺	0.05	0.14	0.21	−0.01	1