METHOD AND APPARATUS FOR CAMERA CALIBRATION USING LIGHT SOURCE
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United States of America Patent
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app pub date -
Jun 8, 2017
filing date -
Jun 8, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Apparatuses for camera calibration using a light source are provided, one of apparatus comprises, a n-light sources (n is 3 or more) which can be mounted on the camera, an actual coordinate computation processing unit which irradiates light to an image pickup surface being captured by the camera through the n-light sources to capture an image of an n-sided polygon made up of n-light spots formed on the image pickup surface, and analyses a degree of distortion on the n-sided screen to obtain n or more coordinate pairs obtained by matching the coordinates on the screen and the coordinates on an actual space and a calibration computation processing unit which receives the n or more coordinate pairs as input to convert a two-dimensional coordinate on the screen into a three-dimensional coordinate on the actual space.
First Claim
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