Noise Resilient Local Gradient Orientation for Content-Based Image Retrieval

Table 10

Retrieval accuracy observed at different threshold values using Corel 1k dataset. Highest retrieval accuracy is achieved at s = 2.

Noise resistant	Threshold values (s)
	1	2	3	4	6	10
Precision (%)	83.4	83.5	82.8	82.3	82.7	83.2
Recall (%)	9.91	9.96	9.94	9.88	9.75	9.94