Noise parameter estimation

Additive white Gaussian noise variance estimation​

S. Pyatykh, J. Hesser, and L. Zheng, "Image Noise Level Estimation by Principal Component Analysis", IEEE Transactions on Image Processing, Volume: 22, Issue: 2, Pages: 687 - 699, February 2013  DOI: 10.1109/TIP.2012.2221728  Code  Reference noise level estimates

S. Pyatykh, L. Zheng, and J. Hesser, "Fast noise variance estimation by principal component analysis", Proc. SPIE 8655, Image Processing: Algorithms and Systems XI, 86550K (February 19, 2013)  DOI: 10.1117/12.2000276

Poisson-Gaussian noise parameter estimation

Pyatykh, S.; Hesser, J., "Image Sensor Noise Parameter Estimation by Variance Stabilization and Normality Assessment," Image Processing, IEEE Transactions on , vol.23, no.9, pp.3990,3998, Sept. 2014  DOI: 10.1109/TIP.2014.2339194  Code  Q-Q plot generation script