A Novel Technique Based on Visual Words Fusion Analysis of Sparse Features for Effective Content-Based Image Retrieval

Figure 5

PR-curve comparison of the proposed technique based on visual words fusion versus features fusion of SIFT-LIOP descriptors as well as with the state-of-the-art CBIR techniques [36, 37] on the Corel-A, Corel-B, and Caltech-256 image collections.