Multipeak Mean Based Optimized Histogram Modification Framework Using Swarm Intelligence for Image Contrast Enhancement

Table 2

Comparison of NIQE values.

IMAGE	Original	HE	BBHE	DSIHE	WTHE	RMSHE	RLBHE	BBC	LDR	AGCWD	MMOHM
Truck	7.9686	10.5953	9.9531	10.6911	9.2633	9.0152	7.4289	7.9321	7.8823	7.9125	7.5093
Einstein	7.2088	8.9804	8.8564	8.9838	8.6024	8.0784	7.2105	7.3675	7.367	7.2456	7.1709
Aircraft	10.4572	14.5758	15.1879	15.0399	13.8421	9.1834	8.4665	9.9765	8.5632	10.1902	10.9741
Cameraman	7.4073	9.6771	9.1239	9.0664	8.6863	7.5214	8.4614	7.1021	8.5679	7.7823	7.9686
Airport	8.6812	9.1694	9.5014	9.2956	9.1243	9.8319	8.2903	8.2909	8.5634	8.4569	8.2654
Elaine	6.4449	5.5701	5.929	6.0677	5.7728	7.9715	5.6807	5.9026	5.8992	5.9099	5.8519
Bottle	7.6794	8.156	8.6762	8.5837	8.1654	7.4663	7.6944	7.4189	7.4562	7.6721	7.1281
Circuit	8.591	8.6751	7.5192	8.313	7.9532	9.6849	8.4122	8.6912	8.6578	8.5637	8.3758
F16	8.2282	8.0299	8.0583	8.9568	7.6373	8.5381	7.8178	7.6117	7.9971	7.8924	7.8531
Girl	5.6609	7.1748	6.9261	7.1086	6.8583	5.9396	7.9211	6.9927	6.9725	5.9854	5.7459
Peppers	6.7165	6.7126	6.7949	6.377	6.3459	6.83	6.6507	6.4568	6.392	6.5537	6.3625
Pirate	6.717	6.8432	6.6451	6.6785	6.2363	7.1687	8.6744	8.7671	8.7327	6.8957	6.6795
Putrajaya	6.4962	6.832	5.669	5.9769	5.7253	6.6505	6.8472	5.8623	5.2341	5.7831	5.768
Village	6.4567	8.6245	7.8077	7.6354	7.4104	8.1163	6.6283	6.6508	6.5602	6.921	6.4429
House	9.2706	13.541	13.2168	13.0355	12.6046	9.5735	8.7654	8.9023	8.2395	9.2341	9.3659
Jet	10.6356	11.157	10.6305	10.8457	10.7	9.918	9.3526	9.5826	9.6672	9.4532	10.5586
Average	7.7888	9.0196	8.781	8.916	8.433	8.218	7.7689	7.7193	7.672	7.6532	7.6263