Research Article

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

Table 6

Comparison of the proposed RCD, OCD, and CROCD on different datasets.

MethodsPrecision (%)Recall (%)
Corel-1KCorel-5KCorel-10KCorel-1KCorel-5KCorel-10K

OCD38.5419.0414.895.782.862.23
RCD71.4249.1139.0810.717.375.86
CROCD78.0754.6044.5111.718.196.68

The best retrieval results are shown in bold.