Document sharded LAM-DROID archive

README.md

@@ -10,28 +10,33 @@ language:
 
 # LAM-droid
 
-This public dataset is the success-filtered DROID subset prepared at
+This public dataset contains the success-filtered DROID subset prepared at
 `/data/users/shishijun/dataset/Cosmos3-DROID/success` for latent-action model
 experiments.
 
-## Layout
+## Files
 
-- `success_episode_h264_cut_all/`: complete LeRobot-style success subset.
-- `data/`, `meta/`, and `videos/`: top-level prepared data present in the
-  source directory and preserved here as supplied.
+- `archives/LAM-droid-success.7z.001`, `.002`, ...: 45 GiB 7z volumes
+  containing the complete source directory and its original relative paths.
 - `metadata/cam2cam_extrinsics.json`: per-episode left/right camera metadata,
   including pose, focal length, and principal point.
+- `archives/MANIFEST.txt`: archive sizes and extraction instructions.
+
+Download all archive volumes into one local directory, then extract the first
+volume with 7-Zip:
+
+```bash
+7z x LAM-droid-success.7z.001 -oLAM-droid-success
+```
 
 The nested complete subset contains 56,687 episodes and 16,544,893 frames in
-the local inventory, with three camera streams (`exterior_image_1_left`,
-`exterior_image_2_left`, and `wrist_image_left`). The source directory is a
+the source inventory, with camera streams `exterior_image_1_left`,
+`exterior_image_2_left`, and `wrist_image_left`. The source is a
 success-filtered processed subset, not the full DROID release.
 
 The camera metadata uses `left_cam` and `right_cam` entries per episode. The
 `relative_path` field identifies the episode path used by the original data
-processing pipeline. The metadata file is included separately under
-`metadata/` so consumers can join camera calibration with episode records.
+processing pipeline.
 
-This repository preserves the source directory structure. Check the source
-dataset's license and DROID usage terms before redistribution or downstream
-commercial use.
+Check the source dataset's license and DROID usage terms before redistribution
+or downstream commercial use.