dct with working inverse

2024-05-05 22:45:31 +02:00
parent c61f87bdc3
commit 75dff82f0f
1 changed files with 3 additions and 4 deletions
@@ -76,7 +76,6 @@ impl Descriptor for DCT {
                        (y*v*PI/16.0).cos()
                }
                dct_values[k] = alpha * sum;
-                //println!("For {u},{v} the output is {}", dct_values[k]);
                //println!{"{}", dct_values[k]}
            }
        }
@@ -103,9 +102,9 @@ impl Descriptor for DCT {
                        ((2.0 * y + 1.0) * v * PI / 16.0).cos()
                }
            }
-            println!("Reconstructed pixel: {}", 127 + (0.25 * sum).round() as u16);
-            reconstructed[k] = std::cmp::min(255_u16, 127 + (0.25 * sum).round() as u16) as u8;
-            //println!("{x},{y}: {}", dct_values[k])
+            sum = 127.0 + (0.25 * sum).round();
+            //println!("Reconstructed pixel: {}", sum);
+            reconstructed[k] = std::cmp::min(255_u8, sum as u8);
        }
        save_buffer(
            "reconstructed.png",