It's a React version of PixelAnnotationTool. The implementation borrows ideas from different repos, including:
The tool also uses many excellent packages, such as:
Try the pixel annotation tool here
npm install
npm start
I supervised a few engineers in Deltron Intelligence to extend this app for production use. See the figure below:
Key technical challenges have been addressed in another of my repo: emscripten-vision-react-example
- Solve anti-aliasing issue by using findContours and drawContours to handle pixels at edge.