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SHAPE FROM TEXTURE USING LOCALLY SCALED POINT PROCESSES

机译:使用局部缩放点过程的纹理形状

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Shape from texture refers to the extraction of 3D information from 2D images with irregular texture. This paper introduces a statistical framework to learn shape from texture where convex texture elements in a 2D image are represented through a point process. In a first step, the 2D image is preprocessed to generate a probability map corresponding to an estimate of the unnormalized intensity of the latent point process underlying the texture elements. The latent point process is subsequently inferred from the probability map in a non-parametric, model free manner. Finally, the 3D information is extracted from the point pattern by applying a locally scaled point process model where the local scaling function represents the deformation caused by the projection of a 3D surface onto a 2D image.
机译:纹理中的形状是指从具有不规则纹理的2D图像中提取3D信息。本文介绍了一种统计框架,可从纹理中学习形状,其中通过点过程表示2D图像中的凸纹理元素。在第一步中,对2D图像进行预处理,以生成一个概率图,该概率图对应于纹理元素下面潜在点过程的未归一化强度的估计。随后以非参数,无模型的方式从概率图推断出潜点过程。最后,通过应用局部缩放的点过程模型从点图案中提取3D信息,其中局部缩放函数表示3D表面在2D图像上的投影所引起的变形。

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