Adaptive Noise Reduction of Scintigrams with a Wavelet Transform

Table 1

PSNR of the phantom images in dB.

	Original with noise	BayesShrink	SURE-LET	Wang’s method	Proposed method
Staircase phantom	28.17	35.84	36.37	37.44	40.75
Brain phantom	28.10	33.02	33.78	34.49	37.52