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Forensics in Telecommunications, Information and Multimedia. Second International Conference, e-Forensics 2009, Adelaide, Australia, January 19-21, 2009, Revised Selected Papers

Research Article

Distinguishing between Camera and Scanned Images by Means of Frequency Analysis

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  • @INPROCEEDINGS{10.1007/978-3-642-02312-5_11,
        author={Roberto Caldelli and Irene Amerini and Francesco Picchioni},
        title={Distinguishing between Camera and Scanned Images by Means of Frequency Analysis},
        proceedings={Forensics in Telecommunications, Information and Multimedia. Second International Conference, e-Forensics 2009, Adelaide, Australia, January 19-21, 2009, Revised Selected Papers},
        proceedings_a={E-FORENSICS},
        year={2012},
        month={5},
        keywords={digital forensic source identification scanner sensor noise},
        doi={10.1007/978-3-642-02312-5_11}
    }
    
  • Roberto Caldelli
    Irene Amerini
    Francesco Picchioni
    Year: 2012
    Distinguishing between Camera and Scanned Images by Means of Frequency Analysis
    E-FORENSICS
    Springer
    DOI: 10.1007/978-3-642-02312-5_11
Roberto Caldelli1,*, Irene Amerini1, Francesco Picchioni1
  • 1: University of Florence
*Contact email: roberto.caldelli@unifi.it

Abstract

Distinguishing the kind of sensor which has acquired a digital image could be crucial in many scenarios where digital forensic techniques are called to give answers. In this paper a new methodology which permits to determine if a digital photo has been taken by a camera or has been scanned by a scanner is proposed. Such a technique exploits the specific geometrical features of the sensor pattern noise introduced by the sensor in both cases and by resorting to a frequency analysis can infer if a periodicity is present and consequently which is the origin of the digital content. Experimental results are presented to support the theoretical framework.

Keywords
digital forensic source identification scanner sensor noise
Published
2012-05-11
http://dx.doi.org/10.1007/978-3-642-02312-5_11
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