Camera placement

RTIS / RVIS usable zone

Adjust height, tilt, and lens. The green band is the optimal face-pitch zone at ≥125 PPM.

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Camera Parameters

Side-view FOV optimized for RTIS / RVIS face capture

Units

Optimal for RTIS / RVIS recognition Preferred: height 2.2 – 3.5 m, tilt 12 – 18° down
Mild downward pitch → full face, not forehead. Low mounts looking up work only with short stand-off and ≤12° up.

Head-and-shoulders capture with mild downward pitch

Head-and-shoulders capture usable for RTIS / RVIS matching

Target capture quality

Camera Model

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Focal Length 2.80 mm

Varifocal Range (min–max) 2.8 – 12 mm

Shows both ends of the zoom range as dual cones

Varifocal lens mode

Object Size (person height) 1.80 m

Camera Height 3.0 m

Supports low mounts (e.g. 3 ft / ~0.9 m looking up).

Camera Tilt 15° down

Negative = looking up (below head height). Positive = looking down.

Object Distance (horizontal) 5.0 m

X-Axis Max 22 m

VFOV

—

Blind Spot

V-width @ obj

—

Slant Range

—

RTIS / RVIS face quality

Optimal zone (good face pitch + ≥125 PPM)

Usable ≥ 125 PPM (good pics in)

Outside / below threshold (out)

Green band moves with height. Above face: prefer 12–18° down. Below face (e.g. 3 ft looking up): keep upward pitch ≤12° and stand-off short.

Tip: Aim for the RTIS/RVIS usable zone (≥125 PPM) at the expected subject distance. Longer focal length tightens the cone and pushes the usable zone farther out.

SIDE VIEW — RTIS / RVIS Usable Zone

IMAGE QUALITY

Current: — PPM

● In (usable)≥125 PPM

● Out<125 PPM

In = good candidate frames for RTIS / RVIS

Face FOV Calculator

Plan RTIS / RVIS camera height, tilt, and focal length so faces land in the usable zone.

Camera placement

RTIS / RVIS usable zone

Camera Parameters