Figure 9
From: Inverse polynomial reconstruction method in DCT domain
Comparison of different de-noising methods for Heavisine signal (blue: original signal, red: reconstructed signal). (a) Original Heavisine signal. (b) Noisy signal with SNR = 16.91 dB. (c) Cycle-spinning de-noising. (d) Direct method de-noising with oracle. (e) IPRM de-noising.