Overview

Calibrate Camera is designed to adjust the camera view to match real-world distances accurately. This functionality is useful for applications requiring precise distance measurements from video data. By ensuring the camera's view is correctly calibrated, users can rely on the accuracy of distance measurements within the video feed, enhancing the application's reliability and effectiveness.

The output of this node is used by Speed Estimation node.

Inputs & Outputs

Inputs : 1, Media Format : Raw Video
Outputs : 1, Media Format: Raw Video
Output Metadata : Presence Information

Properties

Property	Description	Type	Default	Required
roi_labels	Calibration square labels.	string	calibration	Yes
rois	Draw a 4-point square ROI on the ground, such that its length in real world is equal to calibration Length specified below. Type: polygon. Conditional on roi_labels.	string	0.25,0.25,0.25,0.75,0.75,0.75,0.75,0.25	Yes
roi_size	Real-world length of the square. Slider with min: 1, max: 100.0.	slider	5	Yes
roi_size_units	Length calibration unit. Options: Foot (ft), Meter (m).	enum	ft	No
display_roi	Display calibration grid?	bool	false	No

Metadata

None