README.md

metadata

extra_gated_prompt: Please fill out the following information to verify your academic identity.
extra_gated_fields:
  Name: text
  Phone Number: text
  Edu Email: text
  School: text
  Major: text
  Education level: text
  Enrollment date: date_picker
  Identity:
    type: select
    options:
      - Student
      - Teacher
task_categories:
  - image-to-text
language:
  - zh

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Chinese OCR

Scene Types: Natural, Reshot, Screenshots

Collection Environments: Magazines, Newspapers, Books, Signage, Receipts, Maps, PPTs, Menus, Product Packaging, Train Tickets, Banners, Bulletin Boards, Cards

Lighting Distribution: Normal Lighting Conditions

Collection Devices: Web Scraping, Smartphone Photography

Collection Distance: 20cm to 500cm

Shooting Angles: Scenes with the phone placed flat on a table (front, left front, right front), handheld scenes, scenes taken with the phone mounted on a tripod (with different tilting angles)

Portrait and Landscape Mode: Includes vertical video shooting and horizontal picture taking

Data Characteristics: Rich shooting scenes covering multiple angles and lighting conditions

Data Formats: .jpg, .png

Image Resolution: 1280x720, 1496x720, 1920x1080, 2560x1440, 2244x1080

Dataset Size: 5027 images

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