Sliding-window median. Robust to impulsive (salt-and-pepper) noise.
Usage
morie_dsp_median_filter(x, kernel_size = 5L)
Arguments
- x
Numeric vector.
- kernel_size
Odd positive integer kernel length. Default 5.
Value
Filtered vector, length(x).
References
Rangayyan & Krishnan (2015), Ch. 3, sec. 3.4.