add license

README.md

@@ -1,18 +1,14 @@
 ---
+license: cc-by-4.0
 configs:
-- config_name: coco
-  data_files:
-  - split: test
-    path: coco/test-*
-- config_name: flickr30k
-  data_files:
-  - split: test
-    path: flickr30k/test-*
-task_categories:
-- text-to-image
-- image-to-text
-size_categories:
-- 1K<n<10K
+  - config_name: coco
+    data_files:
+      - split: test
+        path: coco/test-*
+  - config_name: flickr30k
+    data_files:
+      - split: test
+        path: flickr30k/test-*
 ---
 
 # Dense-Set
@@ -73,4 +69,4 @@ Dense-Set is built on images from [COCO](https://cocodataset.org) and [Flickr30K
   booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)},
   year={2026}
 }
-```
+```