Laser Doppler Signal Denoising Based on Wavelet Packet Thresholding Method

Figure 9

Denoising effects of four threshold rules. (a) Heursure threshold rule denoising. (b) Sqtwolog threshold rule denoising. (c) Rigrsure threshold rule denoising. (d) Minimaxi threshold rule denoising.

(a)

(b)

(c)

(d)