Hemispherical Forest Canopy Openness % & Leaf Area Index (LAI) Optical Meter

Deterministic Blue-channel Ridler-Calvard sky-gap thresholding across 5 zenithal rings + Monsi-Saeki / Beer-Lambert gap inversion LAI = -ln(P(θ))·cos(θ)/G(θ) engine (.jpg, .heic, .dng, .csv) built for LI-COR Alt, Husqvarna Arbor, Stihl, QGIS — zero-upload ephemeral Wasm RAM execution.

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