Multilingual OCR Data | 1M Images | Handwriting Data | Licence Plate | Invoice Data | Computer Vision Data | Imagery Data

1. Overview 1) Natural Scenes Data size : 200,000 images Language: English, French, German, Italian, Portuguese, Russian, Spanish, Japanese, Korean, Indonesian, Malay, Vietnamese, Thai, Turkish, Arabic, Traditional Chinese and etc. Collecting environment : including shop plaque, stop board, poster, ticket, road sign, comic, cover picture, prompt/reminder, warning, packing instruction, menu, building sign, etc. Diversity : including 20 languages, multiple natural scenes, multiple photographic angles (looking up angle, looking down angle, eye-level angle) Device : cellphone, camera Image parameter : the image data format is .jpg, and the annotation file data format is .json Annotation content : line-level quadrilateral bounding box annotation and transcription for the texts Accuracy : the error bound of each vertex of quadrilateral bounding box is within 5 pixels, which is a qualified annotation, the accuracy of bounding boxes is not less than 97%; the texts transcription accuracy is not less than 97% 2) Handwriting Data size : 300,000 images Language: English, French, German, Spanish, Arabic, Italian, Japanese, Korean, Traditional Chinese Collecting environment: pure color background Device: scanner Photographic angle: eye-level angle Data format: the image data format is .png Data content: including address, company name and personal name, each image has 20 writing boxes Accuracy rate: The collection content accuracy is not less than 97% 3)Licence Plate Data size:26 countries