🕐🔥 Smoke is a behavior

Early wildfire smoke is a faint grey wisp — one frame can't tell it from clouds or fog. The Pyronear temporal verifier watches the sequence instead: real smoke appears at a fixed point, grows, and drifts.

Pick a real sequence:

The sequence plays on a loop (1 frame ≈ 30 s of real time). Each box is a tube — one tracked candidate — colored by the classifier's verdict: 🟧 judged smoke · ⬜ rejected.

What the classifier sees — every frame cropped through the tube's fixed window, so the background holds still and the only thing moving is the candidate: