Table 1 Comparison of different threshold function denoising data
From: An improved infrared image processing method based on adaptive threshold denoising
Gender | Male | Female | ||||
|---|---|---|---|---|---|---|
Index | Standard deviation s | SNR or F/MSE(dB) | NMSE | Standard deviation s | SNR or F/MSE(dB) | NMSE |
Original infrared image | 82.12 | 12.01 | / | 82.25 | 12.13 | / |
Soft threshold denoising image | 78.25 | 13.03 | 9.1367e−005 | 77.53 | 12.96 | 9.0304e−005 |
Hard threshold denoising image | 77.57 | 12.91 | 8.9812e−005 | 77.11 | 13.23 | 8.8911e−005 |
The denoising image of algorithm in this paper | 21.07 | 15.65 | 6.5287e−005 | 20.99 | 15.47 | 6.7044e−005 |