https://en.wikipedia.org/wiki/Aberration_in_optical_systems
Optical aberration - Wikipedia
optical aberrationwikipedia
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Fast Two-step Blind Optical Aberration Correction | OpenReview
The optics of any camera degrades the sharpness of photographs, which is a key visual quality criterion. This degradation is characterized by the point-spread...
two stepoptical aberrationfastblindcorrection