Calibration Targets

Downloadable, Printable Targets of the Most Popular Calibration Systems, Including Kalibr, AprilCal, OpenCV, and Vicalib

Kalibr + aprilcal

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


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

Kalibr + Opencv

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

Perception DevOps

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

The Tangram Vision SDK is free for your first five instances. There are no user limits, and all features are available regardless of how many instances you deploy.

Request Early Access

Be among the first to streamline and optimize sensors with the Tangram Vision SDK