Spatial frequency filter

Details Spatial frequency filter Spatial frequency filter

G - Physics

02

B

88/121, 95/53.4

G02B 27/46 (2006.01) G02B 7/34 (2006.01)

Patent

CA 1304972

ABSTRACT OF THE DISCLOSURE Apparatus and method for suppressing high frequency components in a scene being viewed and particularly components in access of the Nyquist frequency for use in autofocus camera work so as to maximize the use of the low frequency components.

576047

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