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We developed a large-scale Japanese image caption dataset, named STAIR Captions.STAIR Captions website ishttp://captions.stair.center .

STAIR Captions dataset is provided as JSON files.The annotation format of STAIR Captions follows the one of MS-COCO:

annotation{  "id"                : int,  "image_id"          : int,  "caption"           : str,  "tokenized_caption" : str,}

For the details of the annotation format, please seeMS-COCO download page.

• Yuya Yoshikawa, Yutaro Shigeto, Akikazu Takeuchi, ``STAIR Captions: Constructing a Large-Scale Japanese Image Caption Dataset,'' Annual Meeting of the Association for Computational Linguistics (ACL), Short Paper, 2017. [arXiv]
• 吉川友也, 重藤優太郎, 竹内彰一, ``STAIR Captions: 大規模日本語画像キャプションデータセット'', 言語処理学会第23回年次大会 (NLP2017), 2017. (In Japanese) [PDF]

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