Towards automatic detection of child pornography

Napa Sae-Bae, Xiaoxi Sun, Husrev T. Sencar, Nasir D. Memon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a child pornographic image detection system that identifies human skin tones in digital images, extracts features to detect explicit images and performs facial image based age classification. The novelty of the technique relies on the use of a robust and very fast skin color filter and a new set of facial features for improved identification of child faces. Tests on a dataset containing explicit images taken under different illuminations and reflecting a diversity of human skin tones, show that explicit images can be differentiated from benign images with around 90% accuracy. Similarly, tests performed on adult and child facial images yielded an accuracy of 80% in detecting child faces. Test conducted on 105 images involving semi-naked children (with no sexual context) revealed that the system has true positive rates of 83% in detecting explicit-like images and 96.5% in detecting child faces.

Original languageEnglish (US)
Title of host publication2014 IEEE International Conference on Image Processing, ICIP 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages5332-5336
Number of pages5
ISBN (Print)9781479957514
DOIs
StatePublished - Jan 28 2014

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ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition

Cite this

Sae-Bae, N., Sun, X., Sencar, H. T., & Memon, N. D. (2014). Towards automatic detection of child pornography. In 2014 IEEE International Conference on Image Processing, ICIP 2014 (pp. 5332-5336). [7026079] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICIP.2014.7026079