Noise Resilient Local Gradient Orientation for Content-Based Image Retrieval

Table 13

F-score is compared with state-of-the-art descriptors at Corel 1k.

Category	GA [55]	ODBTC [56]	GMM + spatiogram [49]	Tetrolet transform [57]	BiCBIR [58]	Proposed
African	0.187	0.282	0.242	0.317	0.317	0.321
Beach	0.179	0.155	0.217	0.200	0.250	0.265
Building	0.203	0.227	0.235	0.183	0.283	0.311
Bus	0.298	0.295	0.297	0.333	0.333	0.352
Dinosaur	0.328	0.331	0.333	0.333	0.333	0.30
Elephant	0.193	0.244	0.235	0.300	0.300	0.342
Flower	0.300	0.321	0.316	0.333	0.333	0.321
Horse	0.260	0.313	0.306	0.333	0.333	0.342
Mountain	0.171	0.158	0.241	0.250	0.267	0.286
Food	0.231	0.269	0.263	0.333	0.317	0.380
Average	0.235	0.260	0.269	0.292	0.307	0.322