The proposed method uses the
spatial frequency of the input frame to classify it as real or fake.
The CS test, which measures both
spatial frequency and CS, has superior reflection on real-life visual capability such as reading, face recognition, and driving [4].
Contrast sensitivity at higher
spatial frequency was lower with hyperopic refraction values.
(iii) [mathematical expression not reproducible] is the array response in the rth dimension to the mth planar wavefront (m = 1, ..., M) which is function of the
spatial frequency [[mu].sup.(r).sub.m];
where p is the
spatial frequency vector of the illumination pattern and [[phi].sub.n] is a phase shift.
To make better use of edge information, [15] adopted the modified
spatial frequency (SF) as the external input of PCNN, which achieved a preferable fusion performance.
This framework acquires an over complete dictionary from high
spatial frequency parts of the image.
The spatial luminance CSF represents the activity of several selective cortical channels at
spatial frequency bands that may represent, at least in part, the activity of retinoic-geniculo-ribbed, parallel channels M and P.
In this algorithm, the generalized Parseval's theorem is used to transform the SAR echoes from the spatial domain to the
spatial frequency domain.
They derived the relation between the critical
spatial frequency and the film thickness and suggested that the surface modulation of thin films is likely controlled by the residual-compressive surface stress created during the separation process.
where [[omega].sub.x] and [[omega].sub.y] are the highest spatial frequencies of the
spatial frequency spectrum of the field c(x, y), which correspond to the field components with shortest periods.
Scientists, engineers, and advanced students working in modern imaging systems will use this reference for a review of operations on both 'live optical' images and captured digital images in the
spatial frequency domain and how these operations relate to methods in the spatial domain.