inverted hashmap, added bktree

src/bin/dctquery.rs

@@ -0,0 +1,42 @@
+//use image_similarity::descriptors::dct::DCT;
+use image_similarity::descriptors::{DCT, Descriptor};
+use image_similarity::store::DescriptorStore;
+use std::env;
+use log::{info, debug, error};
+
+struct Cfg {
+    path: String
+}
+
+impl Cfg{
+    fn load(args: &[String]) -> Result<Cfg, &'static str> {
+        if args.len() < 2 {
+            return Err("Filename argument required");
+        }
+        let path = args[1].clone();
+        Ok(Cfg { path })
+    }
+}
+
+fn main() {
+    env_logger::init();
+
+    //Init all descriptors:
+    let desc = DCT::new().with_quality(50);
+
+    let args: Vec<String> = env::args().collect();
+
+    let cfg = Cfg::load(&args)
+        .expect("Error loading config");
+
+    let img = image::open(cfg.path)
+        .expect("Unable to open file");
+    let store =
+        DescriptorStore::new()
+        .with_file("store.messagepack");
+    //info!("{}", store);
+    let phash: u64 = desc.describe(&img);
+	info!("Phash integer:\n{phash}");
+	info!("Phash binary:\n{phash:064b}");
+	store.knn(phash, 4);
+}