DRI Calculator — Detection · Recognition

DRI CALCULATOR

DETECTION · RECOGNITION · IDENTIFICATION — JOHNSON CRITERIA

Probability

Units

RGB Camera

Focal Length

HFOV

—

VFOV

—

IFOV

—

Resolution

—

Thermal Camera

Focal Length

HFOV

—

VFOV

—

IFOV

—

Resolution

—

Global Distance

Distance (ft)

01k2k5k ft

0 of 0 targets using global distance

Add Targets

DRI Criteria (Cycles on Target)

Detection

Recognition

Identification

NATO 50% (1/3/6) N₅₀: 1 / 3 / 6

Cycles on target at selected probability. Edit to set custom N₅₀ values — switching probability rescales automatically.

RGB

Thermal

DRI RANGES

RGB

Detection

—

Recognition

—

Identification

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Thermal

Detection

—

Recognition

—

Identification

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Add targets from the left panel to calculate DRI ranges