Assertion: motion's motion | /r/HasProperty | detected
Facets:
value: by comparing frames
type: MANNER
Source sentences:
text: If the users face is 50 percent of the working area of the camera and a camera has megapixel resolution, then sub millimeter facial motions can be detected by comparing frames.
text: For motion to be detected, both sensors must trip together.[citation needed]
text: Motion can be detected by:
text: The motion can be detected by checking for a high signal on a single I/O pin.