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_Data Products_Datatang

70,000 Images -English Scene with OCR Annotation_Autonomous Driving_Datatang_70,000 Images -English Scene with OCR Annotation

70,000 Images -English Scene with OCR Annotation

  • 71,725 pictures
  • 291,651 lines annotation
  • 95% annotation accuracy
Sample

Datatang has passed the certification of ISO27001 Information Security Management System and ISO9001 Quality Management System.

70,000 Images -English Scene with OCR Annotation_Autonomous Driving_Datatang 70,000 Images -English Scene with OCR Annotation_Autonomous Driving_Datatang

Data Introduction

English scenes textual image data, 71,725 pictures in total; the data is collected in life natural scenes of the United States and the United Kingdom, and the text in image has richness of multi-angle and multi-lighting; the data has been annotated by line-level, character-level and word-level, and transferred scene text content; this data set can be used OCR tasks in natural scenes.

Data Specification

Characteristics of Words
regular fonts; the number of irregular fonts should not be more than 10% of total characters.
Number of characters
2-200. Text direction: Normal horizontal direction, Legibility of words: legible, readable and accurate words; can be clearly distinguished by human eyes
Collection conditions
language
English
Data size
71,725 images, 291,651 -lines annotation, 979,744 words annotation, 5,015,589 characters annotation .
Words charactieristics
natural scenes regular fonts, 2-200 words, legible, readable and accurate words
Collection device
cellphone, camera and tablet PC
Collection place
USA, UK , natural life scenes, indoor& outdoor.
Shooting angle
A. Rotation on surface between -15 degrees and +15 degrees, B. Rotation beyond surface between -15 degrees and +15 degrees, no trans-shaped words,  Light distribution: natural light, controllable light (lamp light)
Image parameters
image format :JPG
Annotation
rectangular bounding box, character annotation, word annotation, transliterated scene texts.
Quality
The accuracy rate is maintained over 95% in terms of the bounding box
desensitization
Excluding law-breaking images. anti-religion, anti-politics and anti-traditional custom, eroticism, violence and terror images

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Data Features

70,000 Images -English Scene with OCR Annotation

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70,000 Images -English Scene with OCR Annotation_Autonomous Driving_Datatang