Add TsFile (converted from YOLO2431/plug-usb-v3)

.gitattributes

@@ -58,3 +58,4 @@ 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
+data/plug_usb_v3.tsfile filter=lfs diff=lfs merge=lfs -text

README.md

@@ -0,0 +1,51 @@
+---
+license: apache-2.0
+task_categories:
+- robotics
+tags:
+- LeRobot
+- tsfile
+- timeseries
+- format:tsfile
+pretty_name: plug_usb_v3
+modality: timeseries
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/plug_usb_v3.tsfile
+---
+
+# plug_usb_v3 (TsFile)
+
+Apache TsFile version of [`YOLO2431/plug-usb-v3`](https://huggingface.co/datasets/YOLO2431/plug-usb-v3).
+
+## Overview
+
+A [LeRobot](https://github.com/huggingface/lerobot) robot-manipulation dataset. The source card is auto-generated ("This dataset was created using LeRobot") and does not add a free-text description; the facts below are taken from the source `meta/info.json`.
+
+- **Robot:** yam_bimanual
+- **Episodes:** 101
+- **Sampling rate:** 30 fps
+- **Splits:** a single `train` split
+
+## Schema (TsFile structure)
+
+- **Time** (INT64, milliseconds) — `round(timestamp * 1000)`; the source `timestamp` column (seconds) is dropped because it equals `Time / 1000`.
+- **episode_index** (TAG), **task_index** (TAG) — device dimensions; query one episode with `WHERE episode_index = <n>`.
+- **frame_index** (FIELD, INT64), **sample_index** (FIELD, INT64, from the source `index`) — per-frame bookkeeping.
+- Vector columns (single-precision FLOAT, source name with `.` → `_` and an element index appended):
+  - observation.state → `observation_state_0`..`observation_state_31` (FLOAT)
+  - action → `action_0`..`action_31` (FLOAT)
+
+Camera video streams are **not** included in this repository; see the original dataset for the videos: https://huggingface.co/datasets/YOLO2431/plug-usb-v3 (`videos/` directory). The numeric state/action series are complete; join with the original videos via `episode_index` + `frame_index`.
+
+## Usage
+
+Read the `.tsfile` files with the Apache TsFile Java or Python SDK.
+
+## Source & license
+
+- Original dataset: https://huggingface.co/datasets/YOLO2431/plug-usb-v3
+- Author / publisher: YOLO2431
+- License: apache-2.0

data/plug_usb_v3.tsfile

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b16716a6c8cbe816005fdddc92e8a36b22cd4fd539446cad4e5e0a526eaf84a2
+size 17766210

meta/info.json

@@ -0,0 +1,763 @@
+{
+  "codebase_version": "v2.1",
+  "robot_type": "yam_bimanual",
+  "total_episodes": 101,
+  "total_frames": 97660,
+  "total_tasks": 1,
+  "total_videos": 303,
+  "total_chunks": 1,
+  "chunks_size": 1000,
+  "fps": 30,
+  "splits": {
+    "train": "0:101"
+  },
+  "data_path": "data/plug_usb_v3.tsfile",
+  "features": {
+    "Time": {
+      "dtype": "int64",
+      "shape": [
+        1
+      ],
+      "tsfile_role": "TIME",
+      "unit": "ms"
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+      "dtype": "int64",
+      "shape": [
+        1
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+      "tsfile_role": "TAG"
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+      "tsfile_role": "FIELD"
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+      "tsfile_role": "FIELD"
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+  },
+  "video_path_original": "videos/chunk-{episode_chunk:03d}/{video_key}/episode_{episode_index:06d}.mp4",
+  "tsfile_conversion": {
+    "source_dataset": "YOLO2431/plug-usb-v3",
+    "source_data_path": "data/chunk-{episode_chunk:03d}/episode_{episode_index:06d}.parquet",
+    "converted_data_path": "data/plug_usb_v3.tsfile",
+    "table_name": "plug_usb_v3",
+    "granularity": "merged",
+    "time_precision": "ms",
+    "time_mapping": {
+      "source": "auto",
+      "fps": 30,
+      "unit": "milliseconds"
+    },
+    "tag_columns": [
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+      "task_index"
+    ],
+    "row_count": 97660,
+    "feature_source": "features describe the converted TsFile schema",
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+          "depth_packing": "gray16le"
+        }
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+        "shape": [
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+          640,
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+          "video.channels": 1,
+          "has_audio": false,
+          "depth_unit": "mm",
+          "depth_dtype": "uint16",
+          "depth_encoder": "ffv1",
+          "depth_ext": ".mkv",
+          "depth_packing": "gray16le"
+        }
+      }
+    },
+    "original_video_source": "https://huggingface.co/datasets/YOLO2431/plug-usb-v3/tree/main/videos",
+    "video_policy": "Videos are not uploaded to this repository; use the original HuggingFace dataset videos."
+  }
+}