NoiseAnalyzer

NoiseAnalyzer - Gaussian Noise Analyze ( support Hevc all-intra Compression Noise )

Noise Modeling

we can design following noise model.

Generate Gaussian Noise

define Noise Level and generate gaussian noise.

Display Histogram

Histogram is used as a way to analyze noise.

Pixel Histogram

Available when setting window size to 1.

Local Variance Histogram

1. set window size !
2. The local variance image is obtained as shown below.

Demo

Reference

• Local Variance histogram figure
  • https://www.researchgate.net/figure/Noise-histogram-estimation_fig1_46137484