pub fn scharr<T: PixelComponent, const CHANNELS: usize>(
input: ImageView<'_, T, CHANNELS>,
dx: usize,
dy: usize,
scale: f64,
delta: f64,
border: BorderMode<T, CHANNELS>,
) -> VisionResult<Image<f32, CHANNELS>>Expand description
Computes a 3×3 Scharr first derivative as signed f32 values.