[Retracted] Tobacco Leaves Disease Identification and Spot Segmentation Based on the Improved ORB Algorithm

Table 1

Comparison of repetition rates of feature points.

ORB algorithm			Text algorithm
Repeat points	Total points	Repetition rate	Repeat points	Total points	Repetition rate
255	500	0.510	285	500	0.546
105	389	0.286	139	373	0.385
161	500	0.322	185	500	0.368
220	500	0.442	240	500	0.480