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Forensic Image Inspection Assisted by Deep Learning

Published: 29 August 2017 Publication History

Abstract

Investigations on the charge of possessing child pornography usually require manual forensic image inspection in order to collect evidence. When storage devices are confiscated, law enforcement authorities are hence often faced with massive image datasets which have to be screened within a limited time frame. As the ability to concentrate and time are highly limited factors of a human investigator, we believe that intelligent algorithms can effectively assist the inspection process by rearranging images based on their content. Thus, more relevant images can be discovered within a shorter time frame, which is of special importance in time-critical investigations of triage character.
While currently employed techniques are based on black- and whitelisting of known images, we propose to use deep learning algorithms trained for the detection of pornographic imagery, as they are able to identify new content. In our approach, we evaluated three state-of-the-art neural networks for the detection of pornographic images and employed them to rearrange simulated datasets of 1 million images containing a small fraction of pornographic content. The rearrangement of images according to their content allows a much earlier detection of relevant images during the actual manual inspection of the dataset, especially when the percentage of relevant images is low. With our approach, the first relevant image could be discovered between positions 8 and 9 in the rearranged list on average. Without using our approach of image rearrangement, the first relevant image was discovered at position 1,463 on average.

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Cited By

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  • (2023)Towards Automated Detection of Risky Images Shared by Youth on Social MediaCompanion Proceedings of the ACM Web Conference 202310.1145/3543873.3587607(1348-1357)Online publication date: 30-Apr-2023
  • (2023)Erkennung von Kindesmissbrauch in MedienDatenschutz und Datensicherheit - DuD10.1007/s11623-023-1750-847:4(225-228)Online publication date: 14-Apr-2023
  • (2022)Object Detection Experiment in CBIR Works using Gradation Contour Line2021 International Seminar on Machine Learning, Optimization, and Data Science (ISMODE)10.1109/ISMODE53584.2022.9742892(189-194)Online publication date: 29-Jan-2022
  • Show More Cited By

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cover image ACM Other conferences
ARES '17: Proceedings of the 12th International Conference on Availability, Reliability and Security
August 2017
853 pages
ISBN:9781450352574
DOI:10.1145/3098954
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 29 August 2017

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Author Tags

  1. content-based image retrieval
  2. deep learning
  3. information retrieval
  4. ranking
  5. text tagging

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  • Research-article
  • Research
  • Refereed limited

Funding Sources

  • Hessisches Ministerium des Innern und für Sport (HMdIS)

Conference

ARES '17
ARES '17: International Conference on Availability, Reliability and Security
August 29 - September 1, 2017
Reggio Calabria, Italy

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ARES '17 Paper Acceptance Rate 100 of 191 submissions, 52%;
Overall Acceptance Rate 228 of 451 submissions, 51%

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Cited By

View all
  • (2023)Towards Automated Detection of Risky Images Shared by Youth on Social MediaCompanion Proceedings of the ACM Web Conference 202310.1145/3543873.3587607(1348-1357)Online publication date: 30-Apr-2023
  • (2023)Erkennung von Kindesmissbrauch in MedienDatenschutz und Datensicherheit - DuD10.1007/s11623-023-1750-847:4(225-228)Online publication date: 14-Apr-2023
  • (2022)Object Detection Experiment in CBIR Works using Gradation Contour Line2021 International Seminar on Machine Learning, Optimization, and Data Science (ISMODE)10.1109/ISMODE53584.2022.9742892(189-194)Online publication date: 29-Jan-2022
  • (2019)Investigating Visualisation Techniques for Rapid Triage of Digital Forensic EvidenceHCI for Cybersecurity, Privacy and Trust10.1007/978-3-030-22351-9_19(277-293)Online publication date: 12-Jun-2019

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