Struct BlockMetrics 

pub struct BlockMetrics {
    pub width: usize,
    pub height: usize,
    pub sad: u32,
    pub sse: u64,
    pub variance: f64,
    pub mean: f64,
}

Block-level metrics.

Fields

width: usize

Block width.

height: usize

Block height.

sad: u32

Sum of Absolute Differences.

sse: u64

Sum of Squared Errors.

variance: f64

Variance.

mean: f64

Mean value.

Implementations

impl BlockMetrics

pub fn calculate(pixels: &[u8], width: usize, height: usize) -> Self

Calculates metrics for a block.

pub fn psnr(&self) -> f64

Calculates PSNR from SSE.

pub fn is_flat(&self, threshold: f64) -> bool

Checks if block is flat.

pub fn is_textured(&self, threshold: f64) -> bool

Checks if block is textured.

Trait Implementations

impl Clone for BlockMetrics

fn clone(&self) -> BlockMetrics

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BlockMetrics

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for BlockMetrics

fn default() -> BlockMetrics

Returns the “default value” for a type.

impl Copy for BlockMetrics