Runs entirely in browser via onnxruntime-web (WASM). No upload to server.
Default expects a 5-channel [1,5,H/4,W/4] output: (obj, cx, cy, w, h) with cell-relative offsets and image-normalized w/h.
If your ONNX expects already-normalized fp32 [0,1] - mean/std input, uncheck the baked norm box.