Automatic landmarking based on 3-D foot database using the FFD method
Automatic landmarking based on 3-D foot database using the FFD method
复制标题
使用 FFD 方法基于 3D 足部数据库的自动标记
DOI：
10.4271/2004-01-2197
复制
发表时间：
2004
期刊：
影响因子：
--
通讯作者：
Y. Fukui
中科院分区：
文献类型：
--
作者：
M. Mochimaru;M. Kouchi;H. Yahara;Y. Fukui
提出了一种自动标定足型的方法。传统的人脸和人体特征点提取方法大多是利用人体的曲率、纹理和统计信息来提取的。在该方法中，通过对通用足部模型的变形来估计足部的标志。基于自由变形（FFD）的空间变形来表示脚形的变化。通用足部模型被变形并适合新的测量足部。将变形的通用足部模型上的标志投影到所测量的足部的表面。估计标志的平均绝对误差为2.8 [mm]。该方法的误差适合于在零售店挑选鞋子时区分脚形，但对于人体测量数据库来说是不够的。
An auto-landmarking method for foot measurement was developed. With most of the conventional methods, landmarks of the face and the body were estimated using the curvature, textures and statistics information of body dimensions. In this method, landmarks of the foot were estimated by deformation of the generic foot model. Variation of foot shape was represented by the spatial distortion based on the Free Form Deformation (FFD). The generic foot model was deformed and fit into a new measured foot. Landmarks on the deformed generic foot model were projected to the surface of the measured foot. The mean absolute error of the estimated landmarks was 2.8 [mm]. The error of this method is appropriate to distinguish foot shapes for selecting shoes on a retail store, however it is insufficient for anthropometric database.