The dataset viewer is not available for this split.
Error code: StreamingRowsError
Exception: ValueError
Message: Invalid string class label subset-HaGRIDv2-512px@6bce49ea0a64d11f7b59f4bffdbe2317ca076596
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2951, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2474, in __iter__
example = _apply_feature_types_on_example(
example, self.features, token_per_repo_id=self.token_per_repo_id
)
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2391, in _apply_feature_types_on_example
encoded_example = features.encode_example(example)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 2192, in encode_example
return encode_nested_example(self, example)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1472, in encode_nested_example
{k: encode_nested_example(schema[k], obj.get(k), level=level + 1) for k in schema}
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1495, in encode_nested_example
return schema.encode_example(obj) if obj is not None else None
~~~~~~~~~~~~~~~~~~~~~^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1168, in encode_example
example_data = self.str2int(example_data)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1105, in str2int
output = [self._strval2int(value) for value in values]
~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1126, in _strval2int
raise ValueError(f"Invalid string class label {value}")
ValueError: Invalid string class label subset-HaGRIDv2-512px@6bce49ea0a64d11f7b59f4bffdbe2317ca076596Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
HaGRIDv2 Extracted 13 Classes
This dataset is a subset of the HaGRIDv2 dataset.
It contains 26,000 images belonging to 13 hand gesture classes, with 2,000 images per class.
The dataset was created by extracting selected images from the original HaGRIDv2 dataset.
Example
MLP Gesture Recognition Pipeline
A pipeline for extracting landmark vectors from images using the MediaPipe model, including data normalization relative to the wrist point. The pipeline incorporates dataset filtering to reduce the number of incorrectly captured gestures (e.g., instances where a volunteer is holding a phone). An example application of this data is for training a Keras MLP (Multi-Layer Perceptron) model for gesture recognition.
Classes
The dataset contains the following 13 classes:
calldislikefistgriplikelittle_fingeronepeacerockstopthreethree3thumb_index
Dataset Statistics
| Property | Value |
|---|---|
| Number of classes | 13 |
| Images per class | 2,000 |
| Total images | 26,000 |
| Data type | Images |
| Task | Hand gesture image classification |
Data Format
Images are stored as individual image files and organized into directories according to their class labels.
Example:
dataset/
├── call/
│ ├── 1.jpg
│ ├── 2.jpg
│ └── ...
├── dislike/
│ ├── 1.jpg
│ ├── 2.jpg
│ └── ...
├── ...
│
├── three3/
│ ├── 1.jpg
│ ├── 2.jpg
│ └── ...
└── thumb_index/
├── 1.jpg
├── 2.jpg
└──
...
Original Authors:
- Alexander Kapitanov
- Andrey Makhlyarchuk
- Karina Kvanchiani
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