It's cloned from color_trace. Traces multiple color images using potrace. It replaces the text paths using tesseract. This is similar to Inkscape's Trace Bitmap function. - viait-team/color_image_svgx ...

imagedata is standard ImageData here, canvas is canvas. There are more functions for advanced users, read the source if you are interested. :) "Browser only" means that Node.js doesn't have built-in ...