Catadioptric sensor
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A catadioptric sensor is a visual sensor that contains mirrors (catoptrics) and lenses (dioptrics), a combined catadioptric system. These are panoramic sensors created by pointing a camera at a curved mirror.{{cite web |last1=Borg |first1=Mark |title=Omnidirectional Visual Tracking; Chapter 3: Catadioptric Systems |url=https://mark-borg.github.io/assets/omniapp-chapter3.pdf |access-date=4 February 2023 |date=2003}}