fixes experiment binary

src/bin/experiment.rs

@@ -1,11 +1,10 @@
-use image_similarity::descriptors;
-use image_similarity::descriptors::Descriptor;
+use image_similarity::descriptors::{Descriptor, DCT};
 use std::collections::HashMap;
 use std::fs;
 
 fn main() {
     //Init all descriptors:
-    let desc = descriptors::dct::DCT::new();
+    let desc = DCT::new();
 
     //Initialize hashmap, empty or from cached file:
     let count = fs::read_dir("img").unwrap().count();

src/descriptors/dct.rs

@@ -4,7 +4,7 @@ use crate::descriptors::{Descriptor, print_matrix, DCT};
 
 
 impl DCT {
-    /// Returns a new DCT instance with a calculated DCT matrix.
+    /// Returns a new DCT instance with a base quality DCT matrix.
     pub fn new() -> DCT {
         let base_quantization_matrix: [u8; 64] = [
             16, 11, 10, 16, 24, 40, 51, 61,