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Resolving Multipath Interference in Kinect: An Inverse Problem Approach

机译:解决Kinect中的多径干扰:一种反问题方法

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摘要

Multipath interference is an inherent unsolved problem in amplitude modulated continuous wave time-of-flight imaging that results in erroneous depth and amplitude measurements. This kind of interference is the result of light which travels along different optical paths and reaches the same pixel. Important scenarios with strong interference include scenes with highly reflective surfaces, imaging through translucent material, and subsurface scattering and imaging a corner. In this paper, we demonstrate that multiple frequency measurements made with a noncustomized Kinect for the XBox One (the new Kinect) camera can be used to resolve the interfering paths. By formulating our problem as a spectral estimation problem, we provide a closed-form, noniterative technique.
机译:在调幅连续波飞行时间成像中,多径干扰是一个固有的未解决问题,会导致错误的深度和幅度测量。这种干涉是光沿着不同的光路传播并到达同一像素的结果。具有强烈干扰的重要场景包括具有高反射表面的场景,通过半透明材质进行成像以及在地下散射和对角进行成像。在本文中,我们证明了使用非定制的Kinect为XBox One(新的Kinect)相机进行的多次频率测量可用于解决干扰路径。通过将我们的问题表示为频谱估计问题,我们提供了一种封闭形式的非迭代技术。

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