Deep Learning for Vanishing Point Detection Using an Inverse Gnomonic Projection

8 Jul 2017  ·  Florian Kluger, Hanno Ackermann, Michael Ying Yang, Bodo Rosenhahn ·

We present a novel approach for vanishing point detection from uncalibrated monocular images. In contrast to state-of-the-art, we make no a priori assumptions about the observed scene. Our method is based on a convolutional neural network (CNN) which does not use natural images, but a Gaussian sphere representation arising from an inverse gnomonic projection of lines detected in an image. This allows us to rely on synthetic data for training, eliminating the need for labelled images. Our method achieves competitive performance on three horizon estimation benchmark datasets. We further highlight some additional use cases for which our vanishing point detection algorithm can be used.

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Task Dataset Model Metric Name Metric Value Global Rank Benchmark
Horizon Line Estimation Eurasian Cities Dataset DL-IGP AUC (horizon error) 86.26 # 3
Horizon Line Estimation Horizon Lines in the Wild DL-IGP AUC (horizon error) 57.31 # 4
Horizon Line Estimation York Urban Dataset DL-IGP AUC (horizon error) 94.27 # 3


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