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Augmented Privacy with Virtual Humans

  • Chapter
Digital Human Modeling

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 4650))

Abstract

Visual privacy is a sensitive subject because it literally deals with human private parts. It presents a bold challenge to the field of Computer Science. The goal of this study is to build a virtual human model for designing and evaluating visual privacy technologies before a security system is built. Given the available databases of anthropological models from CAESAR, 3D scanners and the physical parameters of human imaging systems, we simulate the scanning imagery data with the High Frequency Structure Simulator (HFSS). The proportion and template matching algorithms have been developed to find the human surface features from 3D scanning data. The concealed object detection algorithms are developed according to the wave intensity and surface characteristics. Then the privacy-aware rendering methods are evaluated by usability studies. This forward-thinking approach intends to transform the development of visual privacy technologies from device-specific and proprietary to device-independent and open source. It also advances privacy research from an ad-hoc problem-solving process to a systematic design process, enabling multi-disciplinary innovations in digital human modeling, computer vision, information visualization, and computational aesthetics.

The results of this study can be used in the privacy-aware imaging systems in airports and medical systems. They can also benefit the custom-fit products that are designed from personal 3D scanning data. Furthermore, our results can be used in the reconstruction of objects in digital archeology and medical imaging technologies such as virtual colonoscopy.

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Authors and Affiliations

  1. Carnegie Mellon University, Pittsburgh, PA, USA

    Yang Cai, Iryna Pavlyshak, Joseph Laws & James Hoburg

  2. Ansoft, Inc., Pittsburgh, PA, USA

    Ryan Magargle

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  1. Yang Cai
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  2. Iryna Pavlyshak
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  3. Joseph Laws
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  5. James Hoburg
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Editors and Affiliations

  1. Ambient Intelligence Lab, CIC-2218, Carnegie Mellon University, 4720 Forbes Avenue, PA 15213, Pittsburgh, USA

    Yang Cai

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Cai, Y., Pavlyshak, I., Laws, J., Magargle, R., Hoburg, J. (2008). Augmented Privacy with Virtual Humans. In: Cai, Y. (eds) Digital Human Modeling. Lecture Notes in Computer Science(), vol 4650. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89430-8_10

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  • DOI: https://doi.org/10.1007/978-3-540-89430-8_10

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-89429-2

  • Online ISBN: 978-3-540-89430-8

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