Investigation on Recognition Performance of Harvesting Robot Using Regions of Interest Histogram of Oriented Gradients Feature Based on Improved Fuzzy Least Square Support Vector Machine

Table 1

Variation ways of the HOG character parameters.

Bin	Cell	Block	Image size	Image type	Normalization
3	3 × 3	1 × 1	90 × 90	Gray	L1-norm
4	4 × 4	2 × 2	80 × 80	HSV	L2-norm
5	5 × 5	3 × 3	70 × 70	RGBmax	L1-Hys
6	6 × 6	4 × 4	60 × 60	RGB-average	L2-Hys