LinearizeSquared¶
- class lsst.ip.isr.LinearizeSquared¶
Bases:
LinearizeBase
Correct non-linearity with a squared model.
corrImage = uncorrImage + c0*uncorrImage^2
where c0 is linearity coefficient 0 for each amplifier.
Attributes Summary
Methods Summary
__call__
(image, **kwargs)Correct for non-linearity.
Attributes Documentation
- LinearityType = 'Squared'¶
Methods Documentation
- __call__(image, **kwargs)¶
Correct for non-linearity.
- Parameters:
- image
lsst.afw.image.Image
Image to be corrected
- kwargs
dict
Dictionary of parameter keywords:
coeffs
Coefficient vector (
list
ornumpy.array
).log
Logger to handle messages (
logging.Logger
).
- image
- Returns: