justadudewhohacks/opencv4nodejs

Health v2 · maintenance only

Adoption not part of the score

5048 stars · 826 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Node.js bindings to the native OpenCV 3 and OpenCV 4 libraries, including OpenCV-contrib modules, with both synchronous and asynchronous APIs. It enables computer vision tasks like face detection and recognition directly from JavaScript/TypeScript.

Use cases

• detect faces in images from nodejs
• run opencv in a javascript application
• build a face recognition app with node
• process images asynchronously in nodejs
• use opencv contrib modules from typescript
• computer vision in an electron app

When to choose

• you need OpenCV functionality in a Node.js project with TypeScript typings
• you want async, non-blocking computer vision tasks in JavaScript
• you're building an Electron or NW.js app that needs OpenCV

When to avoid

• you need an actively maintained library - this repo is explicitly unmaintained since 2022; use the @u4/opencv4nodejs fork instead
• you're starting a new project and can use Python or another first-class OpenCV binding
• you need the latest OpenCV 4.x features or security updates

Facets

library · maturity abandoned

image-processing computer-vision machine-learning computer-vision image-processing developer-tools cross-platform opencv-bindings face-detection face-recognition typescript async-api native-bindings unmaintained nodejs docker

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