detection vs perception

detection and perception both are nouns.

Word	Noun	Adjective	Verb	Adverb
detection	Yes	No	No	No
perception	Yes	No	No	No

As nouns, perception is a hypernym of detection; that is, perception is a word with a broader meaning than detection:

detection (noun)	perception (noun)
the act of detecting something; catching sight of something	becoming aware of something via the senses
a police investigation to determine the perpetrator	the process of perceiving
the perception that something has occurred or some state exists	the representation of what is perceived; basic component in the formation of a concept
the detection that a signal is being received	a way of conceiving something
	knowledge gained by perceiving