CALIBRATION METHOD, CALIBRATION DEVICE, MEASURING INSTRUMENT AND PROGRAM

• Main Authors: NAGAO KAGEHIRO, KISHIWADA JUN, KIKUCHI NAOKI, AOKI SHIN
• Format: Patent
• Language: English; Japanese
• Published: 14.01.2016
• Subjects: GYROSCOPIC INSTRUMENTS; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING DISTANCES, LEVELS OR BEARINGS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TESTING

PROBLEM TO BE SOLVED: To provide a calibration method, a calibration device, a measuring instrument and a program that calculate a high-precision calibration parameter for calibrating a stereo camera.SOLUTION: There is provided a calibration method of calibrating a stereo camera, the method including a step S102 of measuring relative positions of a subject installed within a photographic range of a stereo camera and the stereo camera, a step S101 of acquiring a photographic image including a subject photographed by the stereo camera, and a step S103 of determining a calibration parameter for calibrating the stereo camera on the basis of the relative positions and the photographic image. 【課題】ステレオカメラを校正する高精度な校正パラメータを算出する校正方法、校正装置、計測用具及びプログラムを提供する。【解決手段】ステレオカメラを校正する校正方法であって、ステレオカメラの撮影範囲に入るように設置された被写体とステレオカメラとの相対位置を計測するステップＳ１０２と、ステレオカメラにより撮影された被写体を含む撮影画像を取得するステップとＳ１０１、相対位置と、撮影画像と、に基づいてステレオカメラを校正する校正パラメータを決定するステップＳ１０３と、を含む。【選択図】図１０