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README.md

@@ -14,6 +14,8 @@ tags:
 
 YOLOv8 model for detecting **Vietnam residential-zone traffic signs**: **R420** (Bắt đầu khu dân cư) and **R421** (Hết khu dân cư). Trained on [NghiMe/vietspeedyolo](https://huggingface.co/datasets/NghiMe/vietspeedyolo) (Hugging Face dataset).
 
+This release uses the **YOLOv8s + offline augmentation** checkpoint, which correctly distinguishes R420 (start of zone) from R421 (end of zone, red diagonal line).
+
 ## Classes
 
 | ID | Label         | Sign | Description              |
@@ -56,9 +58,8 @@ yolo detect predict model=best.pt source=path/to/images
 
 ## Training
 
-- **Base:** YOLOv8n
-- **Data:** 2-class YOLO dataset (train/val), see [dataset card](https://huggingface.co/datasets/NghiMe/vietspeedyolo)
-- **Epochs:** 80 (default)
+- **Base:** YOLOv8s (small)
+- **Data:** 2-class YOLO dataset with offline augmentation (flip+color, rotate90+noise), see [dataset card](https://huggingface.co/datasets/NghiMe/vietspeedyolo)
 - **Image size:** 640
 
 ## License