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Detecting Vanishing Points using Global Image Context in a Non-Manhattan World

, , and . (2016)cite arxiv:1608.05684Comment: IEEE Conference on Computer Vision and Pattern Recognition (CVPR) 2016.

Abstract

We propose a novel method for detecting horizontal vanishing points and the zenith vanishing point in man-made environments. The dominant trend in existing methods is to first find candidate vanishing points, then remove outliers by enforcing mutual orthogonality. Our method reverses this process: we propose a set of horizon line candidates and score each based on the vanishing points it contains. A key element of our approach is the use of global image context, extracted with a deep convolutional network, to constrain the set of candidates under consideration. Our method does not make a Manhattan-world assumption and can operate effectively on scenes with only a single horizontal vanishing point. We evaluate our approach on three benchmark datasets and achieve state-of-the-art performance on each. In addition, our approach is significantly faster than the previous best method.

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[1608.05684] Detecting Vanishing Points using Global Image Context in a Non-Manhattan World

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