R/filt3d.r

In imagefx: Extract Features from Images

Defines functions filt3d

Documented in filt3d

filt3d <- function(x,mask) {
    x.filt <- fft((fft(x)*fft(mask)),inverse=TRUE)/length(x)
    x.filt <- fftshift(Re(x.filt))

    return(x.filt)
}

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