NoiseReplacerConfig

Configuration fields

noiseOffset

Default
0.0
Field type
float Field
Add ann offset to the generated noise.

noiseSeedMultiplier

Default
1
Field type
int Field
The seed multiplier value to use for random number generation: >= 1: set the seed deterministically based on exposureId 0: fall back to the afw.math.Random default constructor (which uses a seed value of 1)

noiseSource

Default
'measure'
Field type
str ChoiceField
Choices
'measure'
Measure clipped mean and variance from the whole image
'meta'
Mean = 0, variance = the “BGMEAN” metadata entry
'variance'
Mean = 0, variance = the image’s variance
'variance_median'
Mean = 0, variance = median(variance plane)
How to choose mean and variance of the Gaussian noise we generate?