fft_matrix_shift

This function rearranges the output of a 2D FFT by moving the
zero-frequency component to the center of the matrix. It is used
internally by <code>AcuityView()</code> to correctly align spatial frequencies.

internal

This code provides a simple method for representing a visual scene as it may be seen by an animal with less acute vision. When using (or for more information), please cite the original publication.

Eleanor Caves

AcuityView

A Package for Displaying Visual Scenes as They May Appear to an
Animal with Lower Acuity

Sönke Johnsen

fft_matrix_shift function

<dl><dt>input_matrix</dt>
<dd>The output of a 2D FFT.</dd>
<dt>dim</dt>
<dd>Integer. <code>-1</code> gives the correct matrix shift for the
AcuityView function.</dd></dl>

Arguments

FFT Matrix Shift — fft_matrix_shift

<dl>

<dt>input_matrix</dt>
<dd>The output of a 2D FFT.</dd>


<dt>dim</dt>
<dd>Integer. <code>-1</code> gives the correct matrix shift for the
AcuityView function.</dd>

</dl>

fft_matrix_shift: FFT Matrix Shift

Description

Usage

Value

Arguments