An efficient computation of discrete orthogonal moments for bio-signals reconstruction

EURASIP Journal on Advances in Signal Processing

Table 5 Performance of Tchebichef, Krawtchouk, Charlier, Hahn, and Meixner moments with Householder method at different orders

Signal	Order	Tchebichef + HM		Krawtchouk + HM		Charlier + HM		Hahn + HM		Meixner + HM
Signal	Order	PSNR	MSE	PSNR	MSE	PSNR	MSE	PSNR	MSE	PSNR	MSE
MIT-BIH Rec. 101	50	75.232	0.9490	73.048	1.2201	75.203	0.9120	70.941	1.5553	68.381	2.088
	100	80.335	0.5273	77.213	0.7554	80.335	0.5164	75.046	0.9695	71.32	1.4872
	150	103.562	0.0364	96.533	0.1630	101.746	0.0502	83.056	0.3855	75.877	0.8815
	200	106.854	0.0249	104.067	0.0343	103.751	0.0448	85.881	0.2807	83.309	0.3744
MIT-BIH Rec. 200	50	74.015	0.9901	81.047	0.9748	74.801	1.1410	72.369	1.4047	65.841	1.8020
	100	79.541	0.6010	85.501	0.5084	78.514	0.7410	77.550	1.1470	69.147	1.5014
	150	91.854	0.1950	92.014	0.2400	88.581	0.3014	82.541	0.8040	76.540	1.0011
	200	94.876	0.1561	93.014	0.2014	90.301	0.2230	85.509	0.6011	82.417	0.7710
MIT-BIH Rec. 230	50	87.722	0.3536	75.424	1.4567	75.499	1.4442	69.167	2.0412	73.316	1.8569
	100	92.878	0.1953	85.554	0.4538	87.669	0.3557	84.705	0.5004	80.259	0.8348
	150	111.332	0.0233	94.019	0.1752	107.394	0.0394	92.393	0.2065	85.132	0.4764
	200	112.965	0.0193	106.817	0.0392	110.373	0.0261	96.191	0.1334	94.560	0.1609