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Prior-Based Facade Rectification for AR in Urban Environment

机译:城市环境中基于先验的AR立面校正

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摘要

We present a method for automatic facade rectification and detection in the Manhattan world scenario. A Bayesian inference approach is proposed to recover the Manhattan directions in camera coordinate system, based on a prior we derived from the analysis of urban datasets. In addition, a SVM-based procedure is used to identify right-angle corners in the rectified images. These corners are clustered in facade regions using a greedy rectangular min-cut technique. Experiments on a standard dataset show that our algorithm performs better or as well as state-of-the-art techniques while being much faster.
机译:我们提出了一种在曼哈顿世界场景中自动进行立面矫正和检测的方法。基于我们从城市数据集分析中得出的先验,提出了一种贝叶斯推理方法来恢复相机坐标系中的曼哈顿方向。另外,基于SVM的过程用于识别校正图像中的直角。这些角使用贪婪的矩形最小切割技术聚集在立面区域中。在标准数据集上进行的实验表明,我们的算法在执行速度更快的同时,表现更好或与最先进的技术一样。

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