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The interactive flow a check-in kiosk uses. Of the faces that fill the guide box and clear the accuracy and quality thresholds, the biggest becomes the target. Tracking starts a 1–60 s timer: every better frame replaces the held one on the spot, and whatever is held when the timer runs out is the final capture. Every slider applies live, mid-run.

Settings

Minimum face size (guide box)20%Face box height as a share of the frame. The dashed guide tracks the slider.Detection accuracy threshold50%Faces below this detector confidence are ignored.Minimum straight-face quality50The SDK's frontalness score (0–100), scaled by how far the head points away from the camera. On the raw SDK score a face looking down outranks the same face looking at the lens. Faces below this are not tracked.Best-shot search time2.0 sHow long better frames keep replacing the held one after tracking starts, 1–60 s. The frame held when it expires is final.

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Capture window—

Start the camera

Realtime

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yaw / pitch

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Confidence

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Frontalness

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Best frame

Frontalness

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Time to commit

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Retake

When several faces qualify, the biggest one (brand-colored brackets) is the target. Faces failing a gate are drawn in grey, and the needle shows where the largest face is pointing.

On-device only. No frame and no crop leaves the browser.