Vertical multi-language OCR dataset

Here we have sorted out the commonly used vertical multi-language OCR dataset datasets, which are being updated continuously. We welcome you to contribute datasets ～

• Chinese urban license plate dataset
• Bank credit card dataset
• Captcha dataset-Captcha
• multi-language dataset

Chinese urban license plate dataset

• Data source：CCPD

• Data introduction: It contains more than 250000 vehicle license plate images and vehicle license plate detection and recognition information labeling. It contains the following license plate image information in different scenes.

  • CCPD-Base: General license plate picture

  • CCPD-DB: The brightness of license plate area is bright, dark or uneven

  • CCPD-FN: The license plate is farther or closer to the camera location

  • CCPD-Rotate: License plate includes rotation (horizontal 20~50 degrees, vertical-10~10 degrees)

  • CCPD-Tilt: License plate includes rotation (horizontal 15~45 degrees, vertical 15~45 degrees)

  • CCPD-Blur: The license plate contains blurring due to camera lens jitter

  • CCPD-Weather: The license plate is photographed on rainy, snowy or foggy days

  • CCPD-Challenge: So far, some of the most challenging images in license plate detection and recognition tasks

  • CCPD-NP: Pictures of new cars without license plates.

• Download address

  • Baidu cloud download address (extracted code is hm0U): https://pan.baidu.com/s/1i5AOjAbtkwb17Zy-NQGqkw
  • Google drive download address:https://drive.google.com/file/d/1rdEsCUcIUaYOVRkx5IMTRNA7PcGMmSgc/view

Bank credit card dataset

• Data source: source

• Data introduction: There are three types of training data

  • 1.Sample card data of China Merchants Bank: including card image data and annotation data, a total of 618 pictures

  • 2.Single character data: including pictures and annotation data, 37 pictures in total.

  • 3.There are only other bank cards, no more detailed information, a total of 50 pictures.

  • The demo image is shown as follows. The annotation information is stored in excel, and the demo image below is marked as

    • Top 8 card number: 62257583

    • Card type: card of our bank

    • End of validity: 07/41

    • Chinese phonetic alphabet of card users: MICHAEL

• Download address: cmb2017-2.zip

Captcha dataset-Captcha

• Data source: captcha

• Data introduction: This is a toolkit for data synthesis. You can output captcha images according to the input text. Use the toolkit to generate several demo images as follows.

• Download address: The dataset is generated and has no download address.

multi-language dataset(Multi-lingual scene text detection and recognition)

• Data source: source
• Data introduction: Multi language detection dataset MLT contains both language recognition and detection tasks.
  • In the detection task, the training set contains 10000 images in 10 languages, and each language contains 1000 training images. The test set contains 10000 images.
  • In the recognition task, the training set contains 111998 samples.
• Download address: The training set is large and can be downloaded in two parts. It can only be downloaded after registering on the website: source