IN-VEHICLE IMAGING APPARATUS

An illumination apparatus irradiates an object with a reference light having a random pattern to be switched for each illumination period TILM. A photodetector detects reflected light from the object. A processing device reconstructs a reconstructed image of the object based on the detection intensi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUGIMOTO, Shintaro, HARUSE, Yuta, GOMI, Masato
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	An illumination apparatus irradiates an object with a reference light having a random pattern to be switched for each illumination period TILM. A photodetector detects reflected light from the object. A processing device reconstructs a reconstructed image of the object based on the detection intensity based on the output of the photodetector and the light intensity distribution of the reference light. An interval period TINT in which the light intensity of the reference light is zero or the reference light has a uniform light intensity distribution is inserted between an irradiation period TILM and the next irradiation period TILM. With the upper limit of the sensing distance in the depth direction of the in-vehicle imaging apparatus as LMAX, and with the speed of light as c, the interval period TINT is designed to be equal to or larger than 2×LMAX/c.