Open Access

Table 1.

Regions used in the analysis, minimum and maximum scale achievable in Fourier space according to Nyquist–Shannon theorem.

Region Radius Min scale Max scale
(I) 0 < r < R500/10 0.02R500 0.10R500
(II) R500/10 < r < R500/4 0.02R500 0.23R500
(III) R500/4 < r < R500/2 0.02R500 0.43R500
(IV) R500/2 < r < R500 0.02R500 0.86R500

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.