image-dwt 0.1.0

An implementation of the À Trous Discrete Wavelet Transform for images
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

use ndarray::Array2;

pub trait Aggregate {
    fn min(&self) -> f32;
    fn max(&self) -> f32;
}

impl Aggregate for Array2<f32> {
    fn min(&self) -> f32 {
        *self
            .iter()
            .reduce(|current, previous| {
                if current < previous {
                    current
                } else {
                    previous
                }
            })
            .unwrap()
    }

    fn max(&self) -> f32 {
        *self
            .iter()
            .reduce(|current, previous| {
                if current > previous {
                    current
                } else {
                    previous
                }
            })
            .unwrap()
    }
}