Computer vision meets visual analytics : enabling 4D crime scene investigation from image and video data

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2019
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9th International Conference on Imaging for Crime Detection and Prevention (ICDP-2019). Piscataway, NJ: IEEE, 2019, pp. 44-49. ISBN 978-1-83953-109-5. Available under: doi: 10.1049/cp.2019.1166
Zusammenfassung

In case of a crime or terrorist attack, nowadays much video footage is available from surveillance and mobile cameras recorded by witnesses. While immediate results can be crucial for the prevention of further incidents, the investigation of such events is typically very costly due to the human resources and time that are needed to process the mass data for an investigation. In this paper, we present an approach that creates a 4D reconstruction from mass data, which is a spatio-temporal reconstruction computed from all available images and video footage. The resulting 4D reconstruction gives investigators an intuitive overview of all camera locations and their viewing directions. It provides investigators the ability to view the original video or image footage at any specific point in time. Combined with an innovative 4D interface, our resulting 4D reconstruction enables investigators to view a crime scene in a way that is similar to watching a video where one can freely navigate in space and time. Furthermore, our approach augments the scene with automatic detections and their trajectories and enrich the crime scene with annotations serving as clues.

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4D Reconstruction, Computer Vision, Crime Scene Investigation, Forensics, Visual Exploration
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9th International Conference on Imaging for Crime Detection and Prevention (ICDP-2019), 16. Dez. 2019 - 18. Dez. 2019, London, UK
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ISO 690POLLOK, Thomas, Matthias KRAUS, Chenghao QU, Matthias MILLER, Tobias MORITZ, Timon KILIAN, Daniel A. KEIM, Wolfgang JENTNER, 2019. Computer vision meets visual analytics : enabling 4D crime scene investigation from image and video data. 9th International Conference on Imaging for Crime Detection and Prevention (ICDP-2019). London, UK, 16. Dez. 2019 - 18. Dez. 2019. In: 9th International Conference on Imaging for Crime Detection and Prevention (ICDP-2019). Piscataway, NJ: IEEE, 2019, pp. 44-49. ISBN 978-1-83953-109-5. Available under: doi: 10.1049/cp.2019.1166
BibTex
@inproceedings{Pollok2019Compu-66538,
  year={2019},
  doi={10.1049/cp.2019.1166},
  title={Computer vision meets visual analytics : enabling 4D crime scene investigation from image and video data},
  isbn={978-1-83953-109-5},
  publisher={IEEE},
  address={Piscataway, NJ},
  booktitle={9th International Conference on Imaging for Crime Detection and Prevention (ICDP-2019)},
  pages={44--49},
  author={Pollok, Thomas and Kraus, Matthias and Qu, Chenghao and Miller, Matthias and Moritz, Tobias and Kilian, Timon and Keim, Daniel A. and Jentner, Wolfgang}
}
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