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?