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    • 2. 发明申请
    • GEOMETRIC FEATURE EXTRACTING DEVICE, GEOMETRIC FEATURE EXTRACTING METHOD, STORAGE MEDIUM, THREE-DIMENSIONAL MEASUREMENT APPARATUS, AND OBJECT RECOGNITION APPARATUS
    • 几何特征提取装置,几何特征提取方法,存储介质,三维测量装置和对象识别装置
    • WO2011115143A1
    • 2011-09-22
    • PCT/JP2011/056134
    • 2011-03-09
    • CANON KABUSHIKI KAISHAWATANABE, DaisukeKOBAYASHI, Kazuhiko
    • WATANABE, DaisukeKOBAYASHI, Kazuhiko
    • G06T17/30G06F17/50G06T1/00
    • G06F17/5086G06K9/00214
    • A geometric feature extracting device comprising: first input means for inputting a three-dimensional shape model of a measurement object; generation means for generating two-dimensional parameter planes corresponding to curved surface patches that configure the three-dimensional shape model; first calculation means for calculating normal directions to points on the curved surface patches; holding means for holding the parameter planes and the normal directions in association with each other; second input means for inputting an observation direction used to observe the measurement object from an observation position; selection means for selecting regions in each of which the normal direction and the observation direction satisfy a predetermined angle condition from the parameter planes; and second calculation means for calculating geometric features on three-dimensional shape model corresponding to regions selected by the selection means as geometric features that configure geometric feature regions on the three-dimensional shape model, which are observable from the observation position.
    • 一种几何特征提取装置,包括:第一输入装置,用于输入测量对象的三维形状模型; 用于生成对应于配置三维形状模型的曲面贴片的二维参数平面的生成装置; 用于计算弯曲表面贴片上的点的法线方向的第一计算装置; 用于保持参数平面和法线方向相关联的保持装置; 第二输入装置,用于从观察位置输入用于观察测量对象的观察方向; 选择装置,用于选择其中法线方向和观察方向各自的参数平面满足预定角度条件的区域; 以及第二计算装置,用于计算对应于由选择装置选择的区域的三维形状模型的几何特征,作为在观察位置可观察到的三维形状模型上构成几何特征区域的几何特征。
    • 7. 发明申请
    • INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM
    • 信息处理设备,信息处理方法和程序
    • WO2012081687A1
    • 2012-06-21
    • PCT/JP2011/079122
    • 2011-12-09
    • CANON KABUSHIKI KAISHAWATANABE, Daisuke
    • WATANABE, Daisuke
    • G06T7/00
    • G06K9/00201G06T7/75G06T2207/10028
    • An information processing apparatus includes a first setting unit setting a relative position-posture relationship between a 3D-shaped model of an object and a viewpoint from which the model is observed as a base position-posture, a detector detecting geometric features of the model observed from the viewpoint in the base position-posture as base geometric features, a second setting unit setting a relative position-posture relationship between the model and a viewpoint as a reference position-posture, a retrieval unit retrieving reference geometric features corresponding to the base geometric features of the model observed from the viewpoint in the reference position-posture, a first calculation unit calculating similarity degrees between the base geometric features and the reference geometric features, and a second calculation unit calculating evaluation values of correspondences between the base geometric features and the reference geometric features in accordance with the similarity degrees.
    • 信息处理设备包括:第一设置单元,设置对象的3D形模型与观察模型的视点为基本位置姿势的相对位置姿势关系;检测器检测所观察模型的几何特征 从作为基本几何特征的基本位置姿势的观点来看,设定模型与视点之间的相对位置姿势关系作为基准位置姿势的第二设定单元,检索单元,检索与基准位置姿势对应的基准几何特征 从参考位置姿势的观点观察的模型的特征,计算基本几何特征和参考几何特征之间的相似度的第一计算单元,以及计算基本几何特征与基准几何特征之间的对应关系的评估值的第二计算单元 参考几何特征按照相似度 度。