imgFFTInv {biOps}R Documentation

Fast Fourier Inverse Transformation to an image

Description

This function applies a Fast Fourier Inverse Transformation on a complex matrix and return an imagedata.

Usage

imgFFTInv(fft_matrix, shift = TRUE)

Arguments

fft_matrix The image
shift If TRUE, the transformation origin is moved to the top-left before the inverse

Value

return an imagedata

See Also

imgFFT imgFFTShift imgFFTiShift

Examples

        ## Not run: 
                x <- readJpeg(system.file("samples", "violet.jpg", package="biOps"))
                t <- imgFFT(x)
                i <- imgFFTInv(t)
        
## End(Not run)

[Package biOps version 0.2.1 Index]