Calibration Targets

Downloadable, printable targets for calibrating cameras and other sensors.

Kalibr + aprilcal, TVCAL

Squares: 6 x 6
Total dim: 0.8m x 0.8m

AprilCal, TVCAL

Squares: 5 x 7
Total dim: 8.5in x 11in

Kalibr + Opencv, TVCAL

Squares: 7 x 6
Total dim: 0.5m x 0.5m


Circles: 25 x 18
Distance between circles: 31.56mm


Circles: 10 x 19
Distance between circles: 14.11mm

The Four Stages Of Perception Sensor Deployment

Accelerate Your Perception Roadmap

Get your sensor-enabled product to market faster, keep it operating longer, and focus your engineering time on what makes your product unique.

Enhanced calibration, sensor fusion, hardware and more.

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Streamline and optimize your perception deployment with the Tangram Vision Platform