nickliqian/cnn_captcha

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

2881 stars · 783 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Python project that uses convolutional neural networks built with TensorFlow to recognize character-based image captchas. It packages validation, training, verification, recognition, and an API server module to streamline end-to-end captcha recognition.

Use cases

• recognize character captchas from images
• train a CNN model to crack captchas for web scraping
• serve captcha recognition as an HTTP API
• batch-verify captcha recognition accuracy
• learn CNN-based image recognition with a practical example

When to choose

• you need to recognize static character-based captchas end-to-end
• you want a self-hosted captcha recognition API without paying for OCR services
• you have labeled captcha images and want a ready-made training pipeline

When to avoid

• you need to recognize click-based or drag-based captchas (use darknet_captcha instead)
• you need actively maintained TensorFlow 2.x code or recent updates
• you need general-purpose OCR for documents rather than captchas

Facets

library · maturity maintenance

machine-learning deep-learning ocr image-processing http-server machine-learning computer-vision image-processing crawlers python windows captcha-recognition cnn tensorflow ocr web-scraping automation linux macos

Member repositories

For agents

markdown · JSON · MCP: product_card(name="nickliqian/cnn_captcha")