fft_amplitude: Calculate fft amplitude

Description Usage Arguments Value Examples

View source: R/utils.R

Description

Calculate fft amplitude

Usage

1
fft_amplitude(im, modify = FALSE, dc_value)

Arguments

im

an image

modify

if TRUE, amplitude value is log-rescaled, which is useful for plotting purpose

dc_value

if given, DC (direct current) component is replaced with this value

Value

an image

Examples

1
2
amp = fft_amplitude(im_gray(regatta), modify = TRUE)
plot(amp)

tsuda16k/noesis documentation built on Nov. 25, 2020, 10:16 a.m.