av1_grain::diff::solver::util

Function get_noise_var

Source 
pub(super) fn get_noise_var(
    source: &Plane<u8>,
    denoised: &Plane<u8>,
    frame_dims: (usize, usize),
    x_o: usize,
    y_o: usize,
    block_w: usize,
    block_h: usize,
) -> f64