Add ForgeryVCR dataset card

README.md

@@ -0,0 +1,34 @@
+---
+pretty_name: ForgeryVCR Data
+tags:
+  - image-forensics
+  - image-manipulation-detection
+  - multimodal
+---
+
+# ForgeryVCR data
+
+This repository stores the preprocessed assets used by the public ForgeryVCR
+training and evaluation workflow.
+
+```text
+datasets/
+├── train/   # CASIA v2 archives for expert selection and Agent SFT
+├── rl/      # IMD2020 and FantasticReality archives for GRPO prompts
+└── test/    # public evaluation benchmark archives
+```
+
+Tampered-set JSON files use paths relative to their own dataset directory, for
+example `./forged/example.png` and `./gt/example_gt.png`.
+
+## Download
+
+```bash
+hf download youqiwong/ForgeryVCR \
+  --repo-type dataset \
+  --include "datasets/train/*.zip" "datasets/rl/*.zip" "datasets/test/*.zip" \
+  --local-dir downloads/forgeryvcr
+```
+
+Extraction commands and the complete directory contract are documented in the
+[ForgeryVCR repository](https://github.com/youqiwong/ForgeryVCR).