← AR Lab

What am I looking at?

Scan an equipment tag and get that asset's record — or an honest "I don't know". Finding a code was never the hard part. Deciding which machine it means, and refusing to decide when the answer is not clear, is.

Checking the barcode detector…

Or type one

Try these

Log an observation against this asset

Logged on this phone

Stored on this phone only, in localStorage, so nothing leaves the device until you copy or share it — and clearing site data wipes it. Send it before you clear anything.

Why this rung exists

The failure that matters is not a missed scan. It is confidently showing the wrong pump's history — because a wrong answer looks exactly like a right one.
So a match that needed a correction says which correction and asks to be confirmed; two equally good matches return both and pick neither; and nothing recognisable returns nothing, never a nearest guess.
The register holds deliberate near-misses — P-2104-A beside P-2104-B (duty and standby, one letter apart), and M-2104-A sharing the pump's number — because that is what a real plant looks like, and it is exactly where a clever matcher quietly does damage.
An asset with no data feed is told so. Only P-2104-A has one. Drawing an empty panel for the others would let "we never captured this" look like "a quiet day".

All of that is asserted on the bench: node tools/check_resolve.mjs, 19 checks, most of them about when the answer should be no. Tags are fictional.

Not built yet

Anchoring the card to the tag in AR. Both halves already exist — BarcodeDetector returns cornerPoints, and markerpose.js turns four corners of a known-size square into a full pose, already benched. Joining them needs a phone in hand to tune, so it waits for one.

What a scan does do now: the real corner points are put through the solver and the result is banked in the field report — reprojection error, tilt, and the raw pixel corners. The solver has only ever been fed corners this lab generated itself, so that error is the number that says whether it survives a real lens.