diff --git a/.gitattributes b/.gitattributes index 1ef325f1b111266a6b26e0196871bd78baa8c2f3..7722d97e85f1b14d6e50f6dbf060e962cc5b0b88 100644 --- a/.gitattributes +++ b/.gitattributes @@ -57,3 +57,6 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text # Video files - compressed *.mp4 filter=lfs diff=lfs merge=lfs -text *.webm filter=lfs diff=lfs merge=lfs -text +meta/tasks.jsonl filter=lfs diff=lfs merge=lfs -text +meta/sharded_index.json filter=lfs diff=lfs merge=lfs -text +meta/episodes.jsonl filter=lfs diff=lfs merge=lfs -text diff --git a/README.md b/README.md new file mode 100644 index 0000000000000000000000000000000000000000..d3c733d9846d1c3072935b4f77b832e0a0bc9e94 --- /dev/null +++ b/README.md @@ -0,0 +1,134 @@ +Language Table (LeRobot) — Embedding-Only Release +(DINOv3 + SigLIP2 image features; EmbeddingGemma task-text features) + +This repository packages a re-encoded variant of IPEC-COMMUNITY/language_table_lerobot where raw videos are replaced by fixed-length image embeddings, and task strings are augmented with text embeddings. All indices, splits, and semantics remain consistent with the source dataset while storage and I/O are substantially lighter. To make the dataset practical to upload/download and stream from the Hub, we also consolidated ~0.5M tiny per-episode Parquet files into N large Parquet shards under a single data/ folder. The file meta/sharded_index.json preserves a precise mapping from each original episode (referenced by a normalized identifier of the form data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet) to its shard path and row range, so you keep original addressing without paying the small-file tax. + +- Robot: xArm +- Modalities kept: states, actions, timestamps, frame/episode indices, image embeddings, task-text embeddings +- Removed: raw video tensors (column observation.images.rgb) +- License: apache-2.0 (inherits from source) + +---------------------------------------------------------------- + +Quick Stats + +From meta/info.json and meta/task_text_embeddings_info.json: + +- Episodes: 442,226 +- Frames: 7,045,476 +- Tasks (unique): 127,605 +- Chunks (original layout): 443 (chunks_size=1000) +- Shards (this release): N Parquet files under data/ (see meta/sharded_index.json) +- FPS: 10 +- Image embeddings (per frame): + - observation.images.rgb_dinov3 → float32 [1024] (DINOv3 ViT-L/16 CLS) + - observation.images.rgb_siglip2 → float32 [768] (SigLIP2-base) +- Task-text embeddings (per unique task): + - embedding → float32 [768] from google/embeddinggemma-300m + - Count: 127,605 rows (one per task) + +Note: This is an embedding-only package. video_path is omitted and the original observation.images.rgb pixels are dropped. + +---------------------------------------------------------------- + +Contents + +. +├─ meta/ +│ ├─ info.json # dataset overview & feature schema (updated to shards) +│ ├─ sharded_index.json # mapping: original-episode-id → shard path + row range +│ ├─ tasks.jsonl # {"task_index": int, "task": str} +│ ├─ episodes.jsonl # {"task_index": int, "task": str, "length": int} +│ └─ task_text_embeddings_info.json # model/dim/normalized/count/file for task embeddings +├─ data/ +│ ├─ shard-00000-of-000NN.parquet +│ ├─ shard-00001-of-000NN.parquet +│ ├─ … # N large Parquet shards for fast HF upload/streaming +│ └─ task_text_embeddings.parquet # task_index, task, 768-D EmbeddingGemma vector +└─ README.md + +---------------------------------------------------------------- + +How This Was Generated (Reproducible Pipeline) + +1) Episode → Image Embeddings (drop pixels) +convert_lerobot_to_embeddings_mono.py (GPU-accelerated preprocessing). +Adds: +- observation.images.rgb_dinov3 (float32[1024]) +- observation.images.rgb_siglip2 (float32[768]) +Removes: +- observation.images.rgb (raw frames) + +2) Task-Text Embeddings (one row per unique task) +build_task_text_embeddings.py with SentenceTransformer("google/embeddinggemma-300m") → data/task_text_embeddings.parquet + meta/task_text_embeddings_info.json. + +3) Data Consolidation (this release) +All per-episode Parquets were consolidated into N large Parquet shards in one data/ folder. +- The index meta/sharded_index.json records, for each episode, its normalized source identifier data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet, the destination shard path, and the (row_offset, num_rows) range inside that shard. +- This preserves original addressing while making Hub sync/clone/stream far faster and more reliable. + +---------------------------------------------------------------- + +Metadata (Excerpts) + +meta/task_text_embeddings_info.json +{ + "model": "google/embeddinggemma-300m", + "dimension": 768, + "normalized": false, + "count": 127605, + "file": "task_text_embeddings.parquet" +} + +meta/info.json (embedding-only + shards) +{ + "codebase_version": "v2.0-embeddings-sharded", + "robot_type": "xarm", + "total_episodes": 442226, + "total_frames": 7045476, + "total_tasks": 127605, + "total_videos": 442226, + "total_chunks": 443, + "chunks_size": 1000, + "fps": 10, + "splits": { "train": "0:442226" }, + "data_path": "data/shard-{shard_id:05d}-of-{num_shards:05d}.parquet", + "index_path": "meta/sharded_index.json", + "num_shards": "NN", + "features": { + "observation.state": { "dtype": "float32", "shape": [8], + "names": { "motors": ["x","y","z","roll","pitch","yaw","pad","gripper"] } }, + "action": { "dtype": "float32", "shape": [7], + "names": { "motors": ["x","y","z","roll","pitch","yaw","gripper"] } }, + "timestamp": { "dtype": "float32", "shape": [1], "names": null }, + "frame_index": { "dtype": "int64", "shape": [1], "names": null }, + "episode_index": { "dtype": "int64", "shape": [1], "names": null }, + "index": { "dtype": "int64", "shape": [1], "names": null }, + "task_index": { "dtype": "int64", "shape": [1], "names": null }, + "observation.images.rgb_dinov3": { "dtype": "float32", "shape": [1024], "names": null }, + "observation.images.rgb_siglip2": { "dtype": "float32", "shape": [768], "names": null } + } +} + +---------------------------------------------------------------- + +Environment & Dependencies + +Python ≥ 3.9 • PyTorch ≥ 2.1 • transformers • sentence-transformers • pyarrow • tqdm • decord (and optionally av) + +---------------------------------------------------------------- + +Provenance, License, and Citation + +- Source dataset: IPEC-COMMUNITY/language_table_lerobot +- License: apache-2.0 (inherits from the source) +- Encoders to cite: + - facebook/dinov3-vitl16-pretrain-lvd1689m + - google/siglip2-base-patch16-384 + - google/embeddinggemma-300m + +---------------------------------------------------------------- + +Changelog + +- v2.0-embeddings-sharded — Replaced video tensors with DINOv3 + SigLIP2 features; added EmbeddingGemma task-text embeddings; consolidated per-episode Parquets into N shards with a repo-local index; preserved original indexing/splits via normalized episode identifiers. diff --git a/data/shard-00000-of-00064.parquet b/data/shard-00000-of-00064.parquet new file mode 100644 index 0000000000000000000000000000000000000000..4c28d9f2d198a6867895350f772e57a33384b6b1 --- /dev/null +++ b/data/shard-00000-of-00064.parquet @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid 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