Image Retrieval Using the Intensity Variation Descriptor

Figure 4

Precision using various quantization numbers of colour, edge orientation, and intensity on the Corel-10K dataset: (a) the quantization number of greyscale is 16 bins, (b) the quantization number of greyscale is 32 bins, and (c) the quantization number of greyscale is 64 bins.

(a)

(b)

(c)