DISTANCE IMAGE GENERATION DEVICE

PROBLEM TO BE SOLVED: To improve accuracy of distance measurement when generating a distance image in a photographic space using an optical flight time-type distance image sensor irrespective of a situation in the photographic space.SOLUTION: An irradiation light intensity image in the same imaging...

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Bibliographische Detailangaben
1. Verfasser:	IKENO RYOHEI
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve accuracy of distance measurement when generating a distance image in a photographic space using an optical flight time-type distance image sensor irrespective of a situation in the photographic space.SOLUTION: An irradiation light intensity image in the same imaging space generated in the same timing as a distance image is used to determine whether there is an area with incident light (reflected light) having intensity high enough to affect on pixel value calculation of other pixels in a photographic space. If there is an area with reflected light with high intensity, a light source is controlled so as to perform divided irradiation for individually controlling irradiation to the area and irradiation to another area. The determination is made by comparing each pixel value of the irradiation light intensity image with a predetermined threshold.