Method

UnFlow: Unsupervised Learning of Optical Flow with a Bidirectional Census Loss [UnFlow]


Submitted on 9 Sep. 2017 15:51 by
Simon Meister (TU Darmstadt)

Running time:0.12 s
Environment:GPU @ 1.5 Ghz (Python + C/C++)

Method Description:
Unsupervised FlowNet with bidirectional census loss
Parameters:
Fine-tuned on KITTI2012 and KITTI2015.
Latex Bibtex:
@inproceedings{Meister:2018:UUL,
title={UnFlow: Unsupervised Learning of Optical
Flow with a Bidirectional Census Loss},
author={Simon Meister and Junhwa Hur and Stefan
Roth},
booktitle={AAAI},
year={2018}
}

Detailed Results

This page provides detailed results for the method(s) selected. For each of the first 20 test images, the number of erroneous pixels at all thresholds is depicted in the table. Underneath, the left input image, the disparity / end-point error map and the estimated (and interpolated) disparity / optical flow map are shown. The error map scales linearly between 0 (black) and >=5 (white) pixels error. Red denotes all occluded pixels, falling outside the image boundaries. The false color map is scaled to the largest ground truth disparity / flow value.

Test Set Average

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 6.84 % 11.92 % 0.9 px 1.7 px
3 pixels 4.28 % 8.42 % 0.9 px 1.7 px
4 pixels 3.10 % 6.61 % 0.9 px 1.7 px
5 pixels 2.41 % 5.44 % 0.9 px 1.7 px
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Reflective Regions

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Test Image 0

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 7.33 % 11.62 % 0.9 px 1.4 px
3 pixels 4.55 % 8.28 % 0.9 px 1.4 px
4 pixels 3.23 % 6.55 % 0.9 px 1.4 px
5 pixels 2.13 % 5.21 % 0.9 px 1.4 px
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Test Image 1

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 4.86 % 7.75 % 0.7 px 0.9 px
3 pixels 2.87 % 5.48 % 0.7 px 0.9 px
4 pixels 1.97 % 4.19 % 0.7 px 0.9 px
5 pixels 1.47 % 3.34 % 0.7 px 0.9 px
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Test Image 2

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 6.69 % 9.79 % 0.7 px 1.0 px
3 pixels 3.13 % 5.66 % 0.7 px 1.0 px
4 pixels 1.61 % 3.92 % 0.7 px 1.0 px
5 pixels 1.04 % 3.12 % 0.7 px 1.0 px
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Test Image 3

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 4.85 % 10.77 % 0.5 px 1.0 px
3 pixels 2.86 % 7.53 % 0.5 px 1.0 px
4 pixels 1.62 % 5.52 % 0.5 px 1.0 px
5 pixels 1.02 % 4.19 % 0.5 px 1.0 px
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Test Image 4

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 1.45 % 3.04 % 0.5 px 0.6 px
3 pixels 0.75 % 1.49 % 0.5 px 0.6 px
4 pixels 0.52 % 0.90 % 0.5 px 0.6 px
5 pixels 0.48 % 0.66 % 0.5 px 0.6 px
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Test Image 5

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 6.32 % 11.37 % 1.0 px 1.7 px
3 pixels 3.75 % 7.67 % 1.0 px 1.7 px
4 pixels 2.73 % 5.83 % 1.0 px 1.7 px
5 pixels 2.25 % 4.92 % 1.0 px 1.7 px
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Test Image 6

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 6.71 % 11.42 % 0.7 px 1.0 px
3 pixels 3.63 % 6.42 % 0.7 px 1.0 px
4 pixels 2.44 % 4.13 % 0.7 px 1.0 px
5 pixels 1.76 % 2.95 % 0.7 px 1.0 px
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Test Image 7

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 8.32 % 14.90 % 1.0 px 2.1 px
3 pixels 4.85 % 10.53 % 1.0 px 2.1 px
4 pixels 3.53 % 8.45 % 1.0 px 2.1 px
5 pixels 2.85 % 7.10 % 1.0 px 2.1 px
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Test Image 8

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 6.48 % 11.99 % 0.9 px 1.5 px
3 pixels 3.77 % 7.88 % 0.9 px 1.5 px
4 pixels 2.40 % 5.82 % 0.9 px 1.5 px
5 pixels 1.80 % 4.72 % 0.9 px 1.5 px
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Test Image 9

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 8.32 % 16.11 % 0.9 px 1.8 px
3 pixels 4.57 % 10.90 % 0.9 px 1.8 px
4 pixels 2.96 % 8.33 % 0.9 px 1.8 px
5 pixels 2.39 % 6.80 % 0.9 px 1.8 px
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Test Image 10

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 4.86 % 14.33 % 0.7 px 2.1 px
3 pixels 2.47 % 10.72 % 0.7 px 2.1 px
4 pixels 1.62 % 8.86 % 0.7 px 2.1 px
5 pixels 1.20 % 7.66 % 0.7 px 2.1 px
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Test Image 11

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 6.27 % 10.26 % 0.7 px 1.2 px
3 pixels 3.30 % 6.85 % 0.7 px 1.2 px
4 pixels 2.05 % 5.45 % 0.7 px 1.2 px
5 pixels 1.39 % 4.56 % 0.7 px 1.2 px
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Test Image 12

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 11.01 % 15.75 % 1.5 px 3.7 px
3 pixels 7.97 % 12.88 % 1.5 px 3.7 px
4 pixels 6.18 % 11.17 % 1.5 px 3.7 px
5 pixels 5.45 % 10.34 % 1.5 px 3.7 px
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Test Image 13

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 8.43 % 12.88 % 1.0 px 1.6 px
3 pixels 5.42 % 8.50 % 1.0 px 1.6 px
4 pixels 4.55 % 6.53 % 1.0 px 1.6 px
5 pixels 3.98 % 5.42 % 1.0 px 1.6 px
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Test Image 14

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 4.41 % 12.89 % 0.6 px 1.1 px
3 pixels 1.60 % 8.04 % 0.6 px 1.1 px
4 pixels 0.80 % 5.56 % 0.6 px 1.1 px
5 pixels 0.46 % 4.04 % 0.6 px 1.1 px
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Test Image 15

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 12.02 % 18.78 % 1.1 px 2.7 px
3 pixels 7.87 % 13.54 % 1.1 px 2.7 px
4 pixels 5.98 % 10.90 % 1.1 px 2.7 px
5 pixels 4.58 % 8.99 % 1.1 px 2.7 px
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Test Image 16

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 3.01 % 8.37 % 0.5 px 1.0 px
3 pixels 1.43 % 6.31 % 0.5 px 1.0 px
4 pixels 0.76 % 5.03 % 0.5 px 1.0 px
5 pixels 0.43 % 3.99 % 0.5 px 1.0 px
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Test Image 17

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 8.99 % 13.77 % 1.1 px 2.9 px
3 pixels 5.78 % 9.83 % 1.1 px 2.9 px
4 pixels 4.28 % 7.82 % 1.1 px 2.9 px
5 pixels 3.45 % 6.74 % 1.1 px 2.9 px
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Test Image 18

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 0.73 % 5.23 % 0.4 px 0.6 px
3 pixels 0.33 % 4.09 % 0.4 px 0.6 px
4 pixels 0.17 % 3.28 % 0.4 px 0.6 px
5 pixels 0.07 % 2.56 % 0.4 px 0.6 px
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Test Image 19

Error Out-Noc Out-All Avg-Noc Avg-All
2 pixels 2.15 % 5.05 % 0.5 px 0.7 px
3 pixels 1.75 % 3.93 % 0.5 px 0.7 px
4 pixels 1.52 % 3.22 % 0.5 px 0.7 px
5 pixels 1.31 % 2.47 % 0.5 px 0.7 px
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