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    • 90. 发明公开
    • METHOD AND SYSTEM FOR THE THREE-DIMENSIONAL RECONSTRUCTION OF STRUCTURES
    • VERFAHREN UND ANORDNUNG ZURRÄUMLICHENREKONSTRUKTION VON STRUKTUREN
    • EP2850596A1
    • 2015-03-25
    • EP13791513.8
    • 2013-05-17
    • Eiffel Medtech Inc.
    • BENAMEUR, SaidLAVOIE, Frédéric
    • G06T17/00A61B6/02
    • A61B6/5205F04C2270/041G06T7/55G06T2207/10012G06T2207/10116G06T2207/20076G06T2207/30008
    • A system and method for the 3D reconstruction of a structure, the method comprising: obtaining at least two calibrated 2D bi-planar images of the structure, associating with each pixel each of the images a textural vector characterizing the distribution of the gradient texture and orientation in a window centered around the pixel, applying a non-linear statistical dimensionality reduction procedure to the textural vectors to obtain reduced dimension textural vectors, creating segmented images of the images using the reduced dimension textural vectors, projecting the representative 3D model onto the segmented images, adjusting the projection of the representative 3D model with the contours and homogeneous zones of the segmented images using the optimization of a cost function to obtain the 3D reconstruction of the structure.
    • 一种用于结构的3D重建的系统和方法,所述方法包括:获得所述结构的至少两个经校准的2D双平面图像,将每个所述图像的每个像素与表征所述渐变纹理和取向的分布的纹理向量 在以像素为中心的窗口中,对纹理向量应用非线性统计维数降低过程以获得缩小尺寸的纹理矢量,使用缩小的维度纹理矢量创建图像的分割图像,将代表性3D模型投影到分割图像上 使用成本函数的优化来调整代表性3D模型与分割图像的轮廓和均匀区域的投影,以获得结构的3D重建。