Function normalize_brightness

pub fn normalize_brightness(img: &DynamicImage) -> Result<DynamicImage, ()>

transform a very bright image into normal brightness based on histogram equalization wrapper for transform_from_histogram function.

use image_toolbox::{load_img,normalize_brightness};
 
let img = load_img("./test/bright_miami.jpg").unwrap();
let new_image = normalize_brightness(&img).unwrap();
// save_img(&new_image,"./test/result.jpg").unwrap();