Open Access

This article has an erratum: [erratum]

Table 2.

Probability of a zero-valued zone occurring in fomXY(u, v) depending on pixel selection method, error on quadrant finding, and PWFS pixels to DM actuators oversampling factor.

Px selection Quadrant center
Oversampling method error (px RMS)

0.0 0.1 0.3
naive (%) 26.2 31.4 61.1
1 px to qref. (%) 14.2 19.9 55.8
1 actu opt. (%) 4.1 11.5 51.4

naive (%) 9.6 14.5 43.0
96 px to qref. (%) 4.9 7.5 36.2
80 actu opt. (%) 0.2 2.3 31.9

naive (%) 0.2 1.0 14.8
96 px to qref. (%) 0.1 0.6 10.7
60 actu opt. (%) 0.0 0.0 8.6

Notes. Values are computed as Prob.(minu, v[fomXY(u, v)]< 0.01) for 10 000 random (xi,  yi)i = A, B, C, D.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.