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

Table 1

Comparison of DE values.

IMAGE	Original	HE	BBHE	DSIHE	WTHE	RMSHE	RLBHE	BBC	LDR	AGCWD	MMOHM
Truck	6.5461	5.8041	6.4362	6.4251	6.4693	6.3312	6.4948	6.5121	6.6223	6.5356	6.547
Einstein	6.8841	5.9436	6.7379	6.7251	6.7695	6.7208	6.8479	6.8788	6.9211	6.8789	6.882
Aircraft	5.4316	5.0356	5.2968	5.2766	5.286	5.0716	5.3822	5.3912	5.2294	5.2478	5.2561
Cameraman	7.0097	5.9106	6.8081	6.7792	6.7614	6.9259	6.9117	6.9211	6.9412	6.9478	6.9533
Airport	6.7337	5.8853	6.6365	6.624	6.6286	6.6217	6.3464	6.7141	6.6926	6.6923	6.7581
Elaine	6.5734	5.9397	6.4607	6.4591	6.5513	6.2439	6.4852	6.5421	6.5455	6.5547	6.5608
Bottle	7.4472	5.9776	7.2744	7.2818	7.2463	7.3624	7.2614	7.3214	7.3763	7.4022	7.4021
Circuit	6.9439	5.9354	6.9194	6.9316	6.926	6.8395	6.6416	6.8786	6.9211	6.9023	6.9311
F16	6.6744	5.7103	6.5877	6.5601	6.4533	6.4677	6.2236	6.4326	6.3678	6.4281	6.4545
Girl	7.2421	5.9594	7.0295	7.0352	7.051	7.114	6.2508	7.3428	7.1123	7.2322	7.2175
Peppers	7.641	5.9815	7.473	7.4665	7.475	7.5017	7.5913	7.5313	7.5345	7.6101	7.6211
Pirate	7.3118	5.9842	7.2276	7.2276	7.2473	7.1627	6.9915	6.9821	6.9996	7.2114	7.262
Putrajaya	6.8116	5.7758	6.6754	6.6497	6.6594	6.6347	6.7857	6.9845	6.9347	6.8546	6.6565
Village	7.4505	5.9769	7.2994	7.2911	7.3165	7.3001	7.3393	7.3992	7.4091	7.4193	7.4272
House	6.9166	5.8	6.6808	6.6824	6.7963	6.8534	6.5985	6.5623	6.6825	6.7235	6.7991
Jet	6.552	5.8116	6.3681	6.3296	6.3299	6.3865	6.4938	6.5433	6.5537	6.4692	6.4664
Average	6.8856	5.8395	6.7445	6.734	6.7479	6.7211	6.6654	6.8086	6.8027	6.8194	6.8247