@inproceedings{b183eb647a21494e8719eae5f4ef426b,
title = "Sharpness metric nonstationarity in undersampled systems",
abstract = "A sharpness metric based on the sum of the intensities squared will be non-stationary with respect to sub-pixel shifts, for under-sampled images. Sensorless AO systems must be sampled at the Nyquist frequency or higher.",
author = "McGaughey, \{Donald R.\} and Murray, \{Larry P.\} and Chris Dainty",
year = "2006",
language = "English",
isbn = "1557528187",
series = "Optics InfoBase Conference Papers",
publisher = "Optical Society of America",
booktitle = "Laser Science, LS 2006",
note = "Laser Science, LS 2006 ; Conference date: 10-10-2006 Through 10-10-2006",
}