Struct Preprocess 

pub struct Preprocess {
    pub height: usize,
    pub width: usize,
    pub rescale: f32,
    pub mean: [f32; 3],
    pub std: [f32; 3],
}

预处理参数（preprocessor_config.json）。

Fields

height: usize

width: usize

rescale: f32

mean: [f32; 3]

std: [f32; 3]

Implementations

impl Preprocess

pub fn from_json(v: &Value) -> Result<Preprocess, String>

pub fn run(&self, img: &Image) -> Tensor

整页图 → [3, H, W]，RGB 顺序；灰度图三个通道相同。

Trait Implementations

impl Clone for Preprocess

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Preprocess

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

Formats the value using the given formatter.