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Error code: DatasetGenerationError
Exception: ValueError
Message: Expected object or value
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 246, in _generate_tables
pa_table = paj.read_json(
^^^^^^^^^^^^^^
File "pyarrow/_json.pyx", line 342, in pyarrow._json.read_json
File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
pyarrow.lib.ArrowInvalid: JSON parse error: Column() changed from object to string in row 0
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1779, in _prepare_split_single
for key, table in generator:
^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 609, in wrapped
for item in generator(*args, **kwargs):
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 260, in _generate_tables
batch = json_encode_fields_in_json_lines(original_batch, json_field_paths)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/utils/json.py", line 106, in json_encode_fields_in_json_lines
examples = [ujson_loads(line) for line in original_batch.splitlines()]
^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/utils/json.py", line 20, in ujson_loads
return pd.io.json.ujson_loads(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ValueError: Expected object or value
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1342, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 907, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1646, in _prepare_split
for job_id, done, content in self._prepare_split_single(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1832, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
images list | annotations list |
|---|---|
[{"id":9067,"filename":"9067.jpg"},{"id":6736,"filename":"6736.jpg"},{"id":13591,"filename":"13591.j(...TRUNCATED) | [{"id":1,"image_id":0,"question":"quán ăn này bán những món gì ?","answers":["mì quảng , (...TRUNCATED) |
📌 ViTextVQA — Vietnamese Text-based Visual Question Answering Dataset
🇻🇳 Giới thiệu (Tiếng Việt)
ViTextVQA là một dataset Visual Question Answering (VQA) dành cho tiếng Việt, tập trung vào khả năng đọc hiểu chữ xuất hiện trong ảnh (scene text), dựa trên bài báo ViTextVQA: A Large-Scale Visual Question Answering Dataset for Evaluating Vietnamese Text Comprehension in Images (ArXiv 2404.10652).
Bản release trên Hugging Face này đã được chỉnh sửa cấu trúc và bổ sung các file phục vụ việc huấn luyện mô hình.
🇺🇸 Introduction (English)
ViTextVQA is a Visual Question Answering (VQA) dataset for Vietnamese, focusing on scene text comprehension in images, as described in the paper ViTextVQA: A Large-Scale Visual Question Answering Dataset for Evaluating Vietnamese Text Comprehension in Images (ArXiv 2404.10652).
This Hugging Face release contains reorganized annotation format and additional supporting files for model training.
📁 Dataset Structure
ViTextVQA/
├── images.zip
├── train.json
├── dev.json
├── test.json
├── vitextvqa_coco.json
├── vitextvqa_captions.json
├── docr_features_of_vitext.npy
└── README.md
| File | Mô tả / Description |
|---|---|
images.zip |
Ảnh dataset (đã nén) / All dataset images (zipped) |
train.json |
COCO-like annotation cho split train |
dev.json |
COCO-like annotation cho split validation |
test.json |
COCO-like annotation cho split test |
vitextvqa_coco.json |
(Optional) Original COCO-like annotations |
vitextvqa_captions.json |
Caption/annotation bổ sung |
docr_features_of_vitext.npy |
OCR / document features precomputed |
README.md |
File mô tả này |
🧠 Annotation Format (COCO-like)
Cấu trúc annotation ban đầu theo dạng COCO-like:
{
"images": [
{ "id": 9836, "filename": "9836.jpg" },
{ "id": 14257, "filename": "14257.jpg" }
],
"annotations": [
{
"id": 74,
"image_id": 22,
"question": "cửa tiệm màu xanh là gì ?",
"answers": ["nhà thuốc"]
},
...
]
}
Để training VQA hoặc dùng chung với frameworks như Hugging Face, bạn có thể convert mỗi annotation thành 1 sample:
{
"image": "images/9836.jpg",
"question": "cửa tiệm màu xanh là gì ?",
"answers": ["nhà thuốc"],
"question_id": 74
}
📊 Dataset Statistics / Thống kê
| Split | Images | QA pairs (annotations) |
|---|---|---|
| train | 11,733 | 35,159 |
| dev | 1,676 | 5,155 |
| test | 3,353 | 10,028 |
Các con số được tính bằng script thống kê annotation COCO-like.
🛠️ Usage / Hướng dẫn sử dụng
📦 Giải nén ảnh (unzip images)
unzip images.zip -d images/
📖 Load JSON với Python
import json
with open("train.json", "r", encoding="utf-8") as f:
data = json.load(f)
print(data[0])
📚 Dùng dataset với Hugging Face datasets
from datasets import load_dataset
dataset = load_dataset("json", data_files="train.json")
print(dataset["train"][0])
📜 Citation / Trích dẫn
Nếu bạn sử dụng dataset này trong nghiên cứu, vui lòng trích dẫn:
@article{ViTextVQA2024,
title={ViTextVQA: A Large-Scale Visual Question Answering Dataset for Evaluating Vietnamese Text Comprehension in Images},
author={Quan Van Nguyen and Dan Quang Tran and Huy Quang Pham and Thang Kien-Bao Nguyen and Nghia Hieu Nguyen and Kiet Van Nguyen and Ngan Luu-Thuy Nguyen},
journal={arXiv preprint arXiv:2404.10652},
year={2024},
url={https://arxiv.org/abs/2404.10652}
}
📬 Contact / Liên hệ
Dataset gốc được công bố bởi nhóm tác giả nghiên cứu tại University of Information Technology, Vietnam National University, Ho Chi Minh City.
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