Advanced Media Forensics Solutions

 

From the creators of legendary FIAS_256and FAAS



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FIAS_256FIAS - Forensic Image Analysis System is a complex forensic tool to investigate digital images and asses their authenticity.

 

FAASFAAS - Forensic Audio Analysis System is a complex forensic tool to investigate digital audio files and asses their authenticity.


Main research interests on media forensics:

1. Forensic audio analysis - voice analysis, automatic speaker recognition, recordings authentication, audio enhancement

2. Forensic image/video analysis - biometric analysis, photo and video recordings authentication, image enhancement

3. Digital Evidence Forensics - data recovery & analysis.


Scientific Articles/Papers

 

Grigoras C., Smith J.M. (2016) Forensic Analysis of Digital Audio File Structures and Formats, American Academy of Forensic Sciences, 68th Annual Scientific Meeting, Las Vegas, NV, USA

 

Bonilla E., Grigoras C., Smith J.M. (2016) Proposed Analytical Framework for Electronically Frequency/Pitch Modified Voices, American Academy of Forensic Sciences, 68th Annual Scientific Meeting, Las Vegas, NV, USA

 

Giammarrusco Z.P., Grigoras C., Smith J.M. (2016) Source Identification of High-Definition Videos - A Forensic Analysis of Downloaders and YouTube Video Compression Using a Group of Action Cameras, American Academy of Forensic Sciences, 68th Annual Scientific Meeting, Las Vegas, NV, USA

 

Grigoras C., Smith J.M. (2014) Quantization Level Analysis for Forensic Media Authentication, AES 54th International Conference, London, UK

 

Koenig, Bruce E.; Lacey, Douglas S.; Grigoras, Catalin; Price, Suzana Galić; Smith, Jeff M. Evaluation of the Average DC Offset Values for Nine Small Digital Audio Recorders. Journal of the Audio Engineering Society 2013, 61(6), pp 439-448.

 

NotableArticleCR2013Grigoras C., and Smith J.M. (2013) Digital Imaging: Enhancement and Authentication. In: Siegel JA and Saukko PJ (eds.) Encyclopedia of Forensic Sciences, Second Edition, pp. 303-314. Waltham: Academic Press. [selected by Computing Reviews as a notable computing article of 2013]

 

Grigoras C., and Smith J.M. (2013) Audio Enhancement and Authentication. In: Siegel JA and Saukko PJ (eds.) Encyclopedia of Forensic Sciences, Second Edition, pp. 315-326. Waltham: Academic Press.

 

Grigoras, C., Rappaport, D., Smith, J. (2012) Analytical Framework for Digital Audio Authentication, AES 46th International Conference, Denver, USA

 

Grigoras, C., Smith, J. (2012) Advances in ENF Analysis for Digital Media Authentication, AES 46th International Conference, Denver, USA

 

Koenig, B., Lacey, D., Grigoras, C., Price, S.G., Smith, J. (2012) Evaluation of the Average DC Offset Values for Nine Small Digital Audio Recorders, AES 46th International Conference, Denver, USA

 

Grigoras, C., Smith, J., Jenkins, C. (2011) Advances in ENF database configuration for forensic authentication of digital media, proceedings of the 131st Convention of the Audio Engineering Society, NY, USA

 

Grigoras, C. (2010) Statistical Tools for Multimedia Forensics: Compression Effects Analysis, AES 39th International Conference Audio Forensics, Hillerod, Denmark

 

Grigoras, C. (2009) Applications of ENF Analysis in Forensic Authentication of Digital and Video Recordings, Journal of Audio Engineering Society Volume 57 Issue 9 pp.643-661

 

Grigoras, C., Cooper, A., Michalek, M. (2009) Forensic Speech and Audio Analysis Working Group - Best Practice Guidelines for ENF Analysis in Forensic Authentication of Digital Evidence, ENFSI - FSAAWG

 

Becker, T., Jessen, M., Grigoras, C. (2009) Speaker Verification Based on Formants Using Gaussian Mixture Models, NAG/DAGA International Conference on Acoustics, Rotterdam, The Netherlands

 

Becker, T., Jessen, M., Grigoras, C. (2008) Forensic Speaker Verification Using Formant Features and Gaussian Mixture Models, Interspeech 2008, Brisbane, Australia

 

Grigoras, C. (2008) Applications of ENF Analysis Method in Forensic Authentication of Digital Audio and Video Recordings, 123rd AES Convention, New York, USA

 

Grigoras, C. (2007) Applications of ENF criterion in forensic audio, video, computer and telecommunication analysis, Forensic Science International 167 v2-3 (2007) 136-145

 

F. Nolan and C. Grigoras (2005) A case for formant analysis in forensic speaker identification, International Journal of Speech, Language and the Law 12(2) 143-173

 

Grigoras, C. (2005) Digital audio recording analysis: The Electric Network Frequency (ENF) Criterion, International Journal of Speech, Language and the Law 12(1) 64-76

 

Grigoras, C. (2003) Digital audio recording analysis. The Electric Network Frequency Criterion. DiamondCut DCLive Forensics Application Note

 

Grigoras, C. (2002) Digital audio recording analysis. The Electric Network Frequency Criterion. Tracertek Forensic Application Note

 

Reference Work

 

Forensic audio analysis - Review: 2010-2013. Grigoras, C., Smith, J. M., Morrison, G. S., Enzinger, E. (2013). In: NicDaeid, N. (Ed.), Proceedings of the 17th International Forensic Science Mangers Symposium, Lyon (pp. 612-637). Lyon, France: Interpol


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