Table 9.

NCC results of Kapur's entropy for all algorithms.

Image	K	Algorithms
		SOA [45]	HHOA [35]	FPA [18]	CS [19]	HS [15]	SCA [22]	BA [23]	COVID-HHOA
Medical1	6	0.9759	0.9796	0.9800	0.9750	0.9750	0.9781	0.9755	0.9801
	8	0.9855	0.9841	0.9818	0.9850	0.9842	0.9846	0.9847	0.9864
	10	0.9896	0.9894	0.9873	0.9872	0.9886	0.9895	0.9893	0.9905
	12	0.9931	0.9935	0.9909	0.9890	0.9919	0.9913	0.9930	0.9938
	14	0.9947	0.9946	0.9923	0.9912	0.9931	0.9941	0.9947	0.9956
Medical2	6	0.9767	0.9724	0.9751	0.9756	0.9765	0.9747	0.9728	0.9774
	8	0.9865	0.9872	0.9832	0.9798	0.9871	0.9868	0.9874	0.9885
	10	0.9918	0.9912	0.9912	0.9847	0.9908	0.9899	0.9894	0.9929
	12	0.9944	0.9946	0.9934	0.9854	0.9913	0.9921	0.9950	0.9959
	14	0.9942	0.9966	0.9959	0.9935	0.9937	0.9942	0.9966	0.9970
Medical3	6	0.9863	0.9866	0.9861	0.9866	0.9843	0.9863	0.9861	0.9867
	8	0.9922	0.9929	0.9909	0.9948	0.9920	0.9914	0.9923	0.9929
	10	0.9955	0.9956	0.9912	0.9959	0.9925	0.9945	0.9947	0.9959
	12	0.9959	0.9969	0.9941	0.9969	0.9935	0.9948	0.9969	0.9972
	14	0.9964	0.9976	0.9961	0.9974	0.9953	0.9962	0.9974	0.9978
Medical4	6	0.9709	0.9691	0.9779	0.9693	0.9755	0.9679	0.9663	0.9719
	8	0.9843	0.9821	0.9789	0.9728	0.9824	0.9822	0.9842	0.9855
	10	0.9877	0.9877	0.9805	0.9845	0.9864	0.9870	0.9856	0.9895
	12	0.9932	0.9924	0.9858	0.9892	0.9909	0.9913	0.9934	0.9939
	14	0.9942	0.9942	0.9926	0.9924	0.9916	0.9926	0.9942	0.9950
Medical5	6	0.9870	0.9857	0.9840	0.9916	0.9844	0.9843	0.9839	0.9866
	8	0.9934	0.9920	0.9907	0.9950	0.9931	0.9925	0.9942	0.9946
	10	0.9954	0.9954	0.9929	0.9960	0.9953	0.9953	0.9953	0.9964
	12	0.9962	0.9962	0.9962	0.9969	0.9963	0.9962	0.9970	0.9975
	14	0.9978	0.9980	0.9962	0.9980	0.9972	0.9972	0.9976	0.9983
Medical6	6	0.9871	0.9882	0.9765	0.9913	0.9828	0.9879	0.9850	0.9884
	8	0.9916	0.9920	0.9789	0.9920	0.9852	0.9898	0.9911	0.9923
	10	0.9932	0.9929	0.9893	0.9933	0.9861	0.9911	0.9932	0.9942
	12	0.9937	0.9946	0.9935	0.9946	0.9922	0.9934	0.9941	0.9950
	14	0.9945	0.9952	0.9945	0.9950	0.9936	0.9944	0.9947	0.9955