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    • 1. 发明授权
    • System and method for automatic calibration of stereo images
    • 用于立体图像自动校准的系统和方法
    • US08717421B2
    • 2014-05-06
    • US12838885
    • 2010-07-19
    • Richard Alan Peters, IIShawn AtkinsDae Jin KimAditya Nawab
    • Richard Alan Peters, IIShawn AtkinsDae Jin KimAditya Nawab
    • H04N15/00H04N13/02
    • G06T7/85G06T2207/10012G06T2207/20224G06T2207/30204
    • A method and system to enable a computer to estimate calibration parameters autonomously so that accurate stereopsis can be performed. The present invention automatically calibrates two or more cameras with unknown parameters with respect to a robot or robotic appendage (e.g., articulated robot arm) with a light source that can be turned on and off at one end. A pair of cameras (e.g., digital cameras) are positioned and aimed so as to give stereoptic coverage of the robot's workspace. The procedure determines the positions and orientations of the pair of cameras with respect to a robot (i.e., exterior orientations) and the focal lengths, optical centers, and distortion coefficients of each camera (i.e., intrinsic parameters) automatically from a set of known positions of the robot arm, and a set of images from the right and left cameras of the robot arm in each position as the light is turned on and off.
    • 一种使计算机能够自主地估计校准参数以便能够执行准确的立体视觉的方法和系统。 本发明相对于机器人或机器人附肢(例如,关节式机器人手臂)自动校准具有未知参数的两个或更多个相机,其具有可以在一端被打开和关闭的光源。 定位和瞄准一对相机(例如,数码相机),以便给予机器人工作空间的立体声覆盖。 该过程从一组已知位置自动确定相机相对于机器人(即,外部取向)和每个照相机的焦距,光学中心和失真系数的位置和取向(即固有参数) 的机器人手臂,以及一组来自机器人手臂的左右照相机的图像,在每个位置打开和关闭光。
    • 2. 发明申请
    • SYSTEM AND METHOD FOR AUTOMATIC CALIBRATION OF STEREO IMAGES
    • 用于自动校准立体图像的系统和方法
    • US20110063417A1
    • 2011-03-17
    • US12838885
    • 2010-07-19
    • RICHARD ALAN PETERS, IIShawn AtkinsDae Jin KimAditya Nawab
    • RICHARD ALAN PETERS, IIShawn AtkinsDae Jin KimAditya Nawab
    • H04N13/02
    • G06T7/85G06T2207/10012G06T2207/20224G06T2207/30204
    • A method and system to enable a computer to estimate calibration parameters autonomously so that accurate stereopsis can be performed. The present invention automatically calibrates two or more cameras with unknown parameters with respect to a robot or robotic appendage (e.g., articulated robot arm) with a light source that can be turned on and off at one end. A pair of cameras (e.g., digital cameras) are positioned and aimed so as to give stereoptic coverage of the robot's workspace. The procedure determines the positions and orientations of the pair of cameras with respect to a robot (i.e., exterior orientations) and the focal lengths, optical centers, and distortion coefficients of each camera (i.e., intrinsic parameters) automatically from a set of known positions of the robot arm, and a set of images from the right and left cameras of the robot arm in each position as the light is turned on and off.
    • 一种使计算机能够自主地估计校准参数以便能够执行准确的立体视觉的方法和系统。 本发明相对于机器人或机器人附肢(例如,关节式机器人手臂)自动校准具有未知参数的两个或更多个相机,其具有可以在一端被打开和关闭的光源。 定位和瞄准一对相机(例如,数码相机),以便给予机器人工作空间的立体声覆盖。 该过程从一组已知位置自动确定相机相对于机器人(即,外部取向)和每个照相机的焦距,光学中心和失真系数的位置和取向(即固有参数) 的机器人手臂,以及一组来自机器人手臂的左右照相机的图像,在每个位置打开和关闭光。