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    • 59. 发明申请
    • SYSTEMS AND METHODS FOR CALCULATING EPIPOLAR CONSTRAINTS BETWEEN GENERALIZED CAMERAS
    • 一般摄像机计算不确定因素的系统与方法
    • US20150163477A1
    • 2015-06-11
    • US13372559
    • 2012-02-14
    • Bryan KlingnerDavid MartinScott Ettinger
    • Bryan KlingnerDavid MartinScott Ettinger
    • H04N13/02H04N5/353G06T15/20
    • G06T7/593
    • Methods and systems for calculating epipolar constraints between a plurality of generalized cameras are provided. Each generalized camera implements two pixel projection functions. One function converts a known pixel location into a ray emanating from a projection center of a first camera to a point on a feature at the pixel location. Another function converts a three dimensional point on the feature in Euclidean space to a pixel location on a projection of the feature in the image space of a second camera. Subsegments of along the ray are projected onto the image space of the second camera and are subdivided until each subsegment spans no more than one pixel in the second camera's image space. The endpoints of all subsegments are projected into the image space of the second camera and the discrete pixel locations of each subsegment are recorded to form epipolar zones.
    • 提供了用于计算多个广义照相机之间的对极约束的方法和系统。 每个广义摄像机实现两个像素投影功能。 一个功能将已知像素位置转换成从第一相机的投影中心发射到在像素位置处的特征上的点的光线。 另一个函数将欧氏空间中的特征上的三维点转换成第二相机的图像空间中的特征的投影上的像素位置。 沿着光线的子段被投影到第二照相机的图像空间上,并被细分,直到每个子段跨越第二相机的图像空间中不超过一个像素。 所有子段的端点投影到第二相机的图像空间中,并且记录每个子段的离散像素位置以形成对极区。