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README.md

Multi-Camera Robust Shape Interaction Matrix (McRSIM)

This code is implementation for the following paper:

Xikang Zhang, Bengisu Osbay, Mario Sznaier, Octavia Camps, Dynamics Enhanced Multi-Camera Motion Segmentation from Unsynchronized Videos, ICCV 2017.

Introduction

We would like to perform motion segmentation on sequences from multi-cameras with the following conditions:

  • Uncalibrated cameras
  • Without correspondences across the view
  • Without synchronization

Results

Toys (Camera 1) Toys (Camera 2)
Car (Camera 1) Car (Camera 2)

Prerequisites

To get experimental results of the paper, you need to download the following data sets:

Testing

The demo code is in the matlab folder. You may need to set up the correct path before running the code.

  • testBenchmark.m: simulated Multi-camera Motion Segmentation on modified Hopkins 155 data set
  • testBenchmark2.m: Multi-camera Motion Segmentation on RSL 12 data set
  • testMissing.m: Single-camera Motion Segmentation on Hopkins 12 Real Motion Sequences with Incomplete data.
  • testMissingMC.m: Multi-camera Motion Segmentation on Hopkins 12 Real Motion Sequences with Incomplete data, half trajectories rotated 45 degree as Camera 2.
  • testGross.m: Single-camera Motion Segmentation on Hopkins 155 data set with gross contamination
  • testGrossMC.m: Multi-camera Motion Segmentation on Hopkins 155 data set with gross contamination, half trajectories rotated 45 degree as Camera 2.
  • testSingleCam.m: Single-camera Motion Segmentation on Hopkins 155 data set

RSL60: extended benchmark data set

This is an extension of the RSL12 data set. We provide this to the community as a larger benchmark for multi-camera motion segmentation problem. It can be downloaded at http://robustsystems.coe.neu.edu/?q=content/publications.

The results of RSL60 with the same protocol of the paper are shown in the following table. To reproduce the results, please replace "RSL12" with "RSL60" in testBenchmark2.m.

Alt

Citation

Please cite the paper if it helps your research:

@inproceedings{zhang2017mcms,
    author = {Xikang Zhang, Bengisu Osbay, Mario Sznaier, Octavia Camps},
    booktitle = {ICCV},
    title = {Dynamics Enhanced Multi-Camera Motion Segmentation from Unsynchronized Videos},
    year = {2017}
}