Image Retrieval Based on the Combination of Region and Orientation Correlation Descriptors

Table 1

Retrieval results of CROCD with different distance measures for Corel-1K.

Similarity measure	Precision (%)					Recall (%)
	10	15	20	25	30	10	15	20	25	30
WeightL1	83.20	78.07	74.60	71.96	69.80	8.32	11.71	14.92	17.99	20.94
L1	75.80	71.93	69	66.24	64.10	7.58	10.79	13.80	16.56	19.23
Euclidean	68.40	64.60	61.70	59.32	57.70	6.84	9.69	12.34	14.83	17.31
Canberra	80.90	76.07	72.15	69	66.54	8.09	11.41	14.43	17.25	19.96
	77.50	73.60	70.85	68.80	66.67	7.75	11.04	14.17	17.20	20

The best retrieval results are shown in bold, which means that CROCD has the best performance on this condition.