Convert to LeRobot v3.0 format with Japanese translations

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README.md

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+---
+license: apache-2.0
+task_categories:
+- robotics
+tags:
+- LeRobot
+configs:
+- config_name: default
+  data_files: data/*/*.parquet
+---
+
+This dataset was created using [LeRobot](https://github.com/huggingface/lerobot).
+
+## Dataset Description
+
+
+
+- **Homepage:** [More Information Needed]
+- **Paper:** [More Information Needed]
+- **License:** apache-2.0
+
+## Dataset Structure
+
+[meta/info.json](meta/info.json):
+```json
+{
+    "codebase_version": "v3.0",
+    "robot_type": "aloha",
+    "total_episodes": 50,
+    "total_frames": 20000,
+    "total_tasks": 1,
+    "chunks_size": 1000,
+    "fps": 50,
+    "splits": {
+        "train": "0:50"
+    },
+    "data_path": "data/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet",
+    "video_path": "videos/{video_key}/chunk-{chunk_index:03d}/file-{file_index:03d}.mp4",
+    "features": {
+        "observation.images.top": {
+            "dtype": "video",
+            "shape": [
+                480,
+                640,
+                3
+            ],
+            "names": [
+                "height",
+                "width",
+                "channel"
+            ],
+            "video_info": {
+                "video.fps": 50.0,
+                "video.codec": "av1",
+                "video.pix_fmt": "yuv420p",
+                "video.is_depth_map": false,
+                "has_audio": false
+            }
+        },
+        "observation.state": {
+            "dtype": "float32",
+            "shape": [
+                14
+            ],
+            "names": {
+                "motors": [
+                    "left_waist",
+                    "left_shoulder",
+                    "left_elbow",
+                    "left_forearm_roll",
+                    "left_wrist_angle",
+                    "left_wrist_rotate",
+                    "left_gripper",
+                    "right_waist",
+                    "right_shoulder",
+                    "right_elbow",
+                    "right_forearm_roll",
+                    "right_wrist_angle",
+                    "right_wrist_rotate",
+                    "right_gripper"
+                ]
+            },
+            "fps": 50
+        },
+        "action": {
+            "dtype": "float32",
+            "shape": [
+                14
+            ],
+            "names": {
+                "motors": [
+                    "left_waist",
+                    "left_shoulder",
+                    "left_elbow",
+                    "left_forearm_roll",
+                    "left_wrist_angle",
+                    "left_wrist_rotate",
+                    "left_gripper",
+                    "right_waist",
+                    "right_shoulder",
+                    "right_elbow",
+                    "right_forearm_roll",
+                    "right_wrist_angle",
+                    "right_wrist_rotate",
+                    "right_gripper"
+                ]
+            },
+            "fps": 50
+        },
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+            "names": null,
+            "fps": 50
+        }
+    },
+    "data_files_size_in_mb": 100,
+    "video_files_size_in_mb": 500
+}
+```
+
+
+## Citation
+
+**BibTeX:**
+
+```bibtex
+[More Information Needed]
+```

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meta/info.json

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+{
+  "codebase_version": "v3.0",
+  "robot_type": "aloha",
+  "total_episodes": 50,
+  "total_frames": 20000,
+  "total_tasks": 1,
+  "chunks_size": 1000,
+  "fps": 50,
+  "splits": {
+    "train": "0:50"
+  },
+  "data_path": "data/chunk-{chunk_index:03d}/file-{file_index:03d}.parquet",
+  "video_path": "videos/{video_key}/chunk-{chunk_index:03d}/file-{file_index:03d}.mp4",
+  "features": {
+    "observation.images.top": {
+      "dtype": "video",
+      "shape": [
+        480,
+        640,
+        3
+      ],
+      "names": [
+        "height",
+        "width",
+        "channel"
+      ],
+      "video_info": {
+        "video.fps": 50.0,
+        "video.codec": "av1",
+        "video.pix_fmt": "yuv420p",
+        "video.is_depth_map": false,
+        "has_audio": false
+      }
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+    "observation.state": {
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+          "left_shoulder",
+          "left_elbow",
+          "left_forearm_roll",
+          "left_wrist_angle",
+          "left_wrist_rotate",
+          "left_gripper",
+          "right_waist",
+          "right_shoulder",
+          "right_elbow",
+          "right_forearm_roll",
+          "right_wrist_angle",
+          "right_wrist_rotate",
+          "right_gripper"
+        ]
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+      "fps": 50
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+        14
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+          "left_shoulder",
+          "left_elbow",
+          "left_forearm_roll",
+          "left_wrist_angle",
+          "left_wrist_rotate",
+          "left_gripper",
+          "right_waist",
+          "right_shoulder",
+          "right_elbow",
+          "right_forearm_roll",
+          "right_wrist_angle",
+          "right_wrist_rotate",
+          "right_gripper"
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+  },
+  "data_files_size_in_mb": 100,
+  "video_files_size_in_mb": 500,
+  "japanese_vla": true,
+  "translation_source": "gpt-5-mini-2025-08-07",
+  "default_task_description": "Pick up the red cube sitting on the table and place it onto the other arm",
+  "default_task_description_ja": "テーブルの上にある赤いキューブを持ち上げて、もう一方のアームの上に置く"
+}

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