Research on Intelligent Recognition and Management of Smart City Based on Machine Vision

Table 2

δ interval and number of samples.

δ interval of	Number of samples	δ interval of	Number of samples
[5, +)	0	[-0.75, -0.25)	988
[4,5)	0	[-1.25, -0.75)	128
[3,4)	8	[-2, -1.25)	32
[2,3)	14	[-3, -2)	18
[1.25,2)	27	[-4, -3)	6
[0.75,1.25)	124	[-5, -4)	0
[0.25,0.75)	891	[-4, -)	0
[-0.25,0.25)	2764