Research on BOLD-fMRI Data Denoising Based on Bayesian Estimation and Adaptive Wavelet Threshold

Table 1

SNR comparison of image signals after noise reduction.

	Soft-SNR	Hard-SNR	Bayes-SNR	Gausse-SNR
	41.2198	43.2875	44.4607	39.6104
	40.7725	40.6271	41.3334	38.5229
	38.4023	39.1372	39.6665	37.7407
	37.7854	37.9235	38.4900	36.8859
	36.5943	37.1237	37.3624	36.2954
	35.8307	36.2856	36.8062	35.7564
	35.3401	35.6654	36.1744	35.3158
	34.6803	35.1072	35.5330	34.8268
	34.3478	34.6372	35.0086	34.4037