Gracious

Convert a PDF into PNG/JPEG images (page selection, DPI, rotation). Uses PDFium (WebAssembly) and a Rust encoder - fully MIT-compatible, no AGPL.

Machine-vision nodes for Node-RED on a fixed camera rig: golden-template AOI with position and blemish tolerances, mm/px calibration from a checkerboard, deskew-and-crop of a physical label, caliper edge and line finding over a drawn region, and barcode l

A few OpenCV 5 vision ops on raw image buffers - colorConvert, resize, filter, crop, rotate, ORB+ECC imageAlign - as a prebuilt N-API addon: async, bounds-checked, the same bytes on every CPU.