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renames resized image and fixes borrowing issue

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This commit is contained in:
Mark Hoekveen
2024-05-12 13:15:13 +02:00
parent 13fd6d0635
commit fcfdf4add2
1 changed files with 4 additions and 4 deletions
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src/descriptors/dct.rs
+4 -4
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@@ -38,7 +38,7 @@ impl DCT {
self self
} }
fn dct(&self, img: image::DynamicImage) -> [f64; 64] { fn dct(&self, img: &image::DynamicImage) -> [f64; 64] {
let mut dct_values: [f64; 64] = [0.0; 64]; let mut dct_values: [f64; 64] = [0.0; 64];
for u in 0..8 { for u in 0..8 {
for v in 0..8 { for v in 0..8 {
@@ -102,8 +102,8 @@ impl DCT {
impl Descriptor for DCT { impl Descriptor for DCT {
fn describe(&self, img: image::DynamicImage) -> u64 { fn describe(&self, img: image::DynamicImage) -> u64 {
let img = self.resize(img); let resized = self.resize(img);
let mut dct_values = self.dct(img); let mut dct_values = self.dct(&resized);
debug!("DCT-coefficients:\n {}", print_matrix(dct_values)); debug!("DCT-coefficients:\n {}", print_matrix(dct_values));
// Quantization: // Quantization:
@@ -114,7 +114,7 @@ impl Descriptor for DCT {
debug!("DCT-coefficients, quantized:\n {}", print_matrix(dct_values)); debug!("DCT-coefficients, quantized:\n {}", print_matrix(dct_values));
if log_enabled!(Level::Debug) { if log_enabled!(Level::Debug) {
img.save("resize.png").expect("Error saving file"); resized.save("resize.png").expect("Error saving file");
// De-quantization: // De-quantization:
for i in 0..64 { for i in 0..64 {
dct_values[i] = dct_values[i] * self.quantization_matrix[i] as f64; dct_values[i] = dct_values[i] * self.quantization_matrix[i] as f64;