events¶ class CvEvent[source]¶ Bases: ABC Define the interface for computer vision change events. class Detected[source]¶ Bases: CvEvent Represent a newly detected object. class UnDetected[source]¶ Bases: CvEvent Represent a previously tracked object that disappeared. class Moved[source]¶ Bases: CvEvent Represent a detected object whose position changed. class Resized[source]¶ Bases: CvEvent Represent a detected object whose size changed.