Color Image Retrieval Method Using Low Dimensional Salient Visual Feature Descriptors for IoT Applications

Table 4

, , and for top 20 retrieved images taken from Corel-1K dataset using with and without preprocessed technique.

Image class name	Top 20 images
	Without preprocessing			With preprocessing
	Beaches	12.18	63.30	20.43	15.41	77.05	25.68
Buses	15.80	85.32	26.66	18.71	93.55	31.18
Dinosaurs	18.01	90.05	30.02	19.05	95.25	31.75
Elephants	12.01	69.66	20.49	16.83	84.15	28.05
Flowers	17.40	90.48	29.19	18.98	94.90	31.63
Foods	14.59	77.33	24.55	17.04	85.20	28.40
Horses	16.41	85.33	27.53	18.07	90.35	30.12
Monuments	11.60	58.00	19.33	16.75	83.75	27.92
Mountains	10.82	59.51	18.31	14.54	72.70	24.23
People	15.38	81.51	25.88	18.39	91.95	30.65
Mean	14.42	76.05	24.24	17.38	86.89	28.97

The bold value indicates the mean representation.