增加数据集

.gitignore

@@ -102,4 +102,31 @@ CCPD_GREEN_TRANS/
 ccpd_combined_5k5k_spe/images/
 ccpd_combined_5k5k_spe/labels/
 output/
-build/
+
+# ============================================================
+# Local dataset payloads (keep README only)
+# ============================================================
+CCPD_322K_SMALLEST_5000_640x352/images/
+CCPD_322K_SMALLEST_5000_640x352/labels/
+CCPD_322K_SMALLEST_5000_640x352/metadata/
+CCPD_322K_SMALLEST_5000_640x352/dataset.yaml
+CCPD_RK3568_SMALL_HARD_V1/images/
+CCPD_RK3568_SMALL_HARD_V1/labels/
+CCPD_RK3568_SMALL_HARD_V1/metadata/
+CCPD_RK3568_SMALL_HARD_V1/dataset.yaml
+
+# Archived/generated payloads; retain README files only.
+archive/**/images/
+archive/**/labels/
+archive/**/logs/
+archive/**/metadata/
+archive/**/dataset.yaml
+archive/**/test_*.txt
+
+# Local sample images at the dataset repository root.
+/*.jpg
+/*.jpeg
+
+# Local one-off dataset generator.
+/scripts/build_ccpd_diverse_30k.py
+build/