Amazon Login Captcha Images with Solved Alphanumeric Labels

Solved login captcha images from amazon.com were released by richardARPANET in November 2018. The data consists of image files paired with their text solutions for training optical character recognition models.

Use Cases

• Training OCR models to identify alphanumeric characters within the solved captcha images
• Benchmarking noise reduction filters against the specific background distortions present in Amazon's captcha format
• Developing character recognition pipelines using the provided text solutions as ground truth

Strengths

• Contains solved labels for supervised learning
• Targeted at a specific high-traffic web domain (Amazon)

Limitations

• Temporal staleness as captcha designs frequently change
• Unknown record count and image resolution
• No information on character distribution or class balance

Provenance

Source

amazon.com

Freshness

Last updated November 2018; reflects historical captcha styles.