Image Classification Using PSO-SVM and an RGB-D Sensor

Table 4

Average and minimum number of support vectors.

Support vectors
Object	Object 1		Object 2		Object 3		Object 4
Support vectors	avg.	min.	avg.	min.	avg.	min.	avg.	min.
Moment descriptor	20	15	25	17	101	73	27	20
Moment-PSA descriptor	8	5	24	12	73	52	12	10
HOG descriptor	300	23	400	60	370	43	418	70
SIFT descriptor	310	22	404	65	401	84	450	72