Function maxfilt 

pub fn maxfilt<T>(
    input: &Array<T>,
    wlen: u64,
    wwid: u64,
    etype: BorderType,
) -> Array<T>
where
    T: HasAfEnum + ImageFilterType,

Box filter with maximum as box operation

Parameters

• input is the input image(Array)
• wlen is the horizontal length of the filter
• hlen is the vertical length of the filter
• etype is enum of type BorderType

Return Values

An Array with filtered image data.