Print the recognized categories in dino-v2. (#506)

candle-examples/examples/dinov2/main.rs

@@ -315,7 +315,17 @@ pub fn main() -> anyhow::Result<()> {
     let model = vit_small(vb)?;
     println!("model built");
     let logits = model.forward(&image.unsqueeze(0)?)?;
-    let prs = candle_nn::ops::softmax(&logits, D::Minus1)?;
-    println!("{prs}");
+    let prs = candle_nn::ops::softmax(&logits, D::Minus1)?
+        .i(0)?
+        .to_vec1::<f32>()?;
+    let mut prs = prs.iter().enumerate().collect::<Vec<_>>();
+    prs.sort_by(|(_, p1), (_, p2)| p2.total_cmp(p1));
+    for &(category_idx, pr) in prs.iter().take(5) {
+        println!(
+            "{:24}: {:.2}%",
+            candle_examples::IMAGENET_CLASSES[category_idx],
+            100. * pr
+        );
+    }
     Ok(())
 }