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The research activity focuses on the interplay among multimedia and forensic analysis. The main aim of such strategies is revealing the traces ("footprints") left by the acquisition and editing operations on images/videos. By collecting and reordering these footprints, it is possible to reconstruct the history of a given multimedia content.
The investigation has focused on fake detection, image/video authentication, acquiring device identification, image/video phylogeny, patent violation detection. Additional research work has been done on antiforensic strategies, i.e., malicious techniques to alter the multimedia data in order to hide the footprints and prevent a correct forensic analysis.
Most of the research work has been done within the FP7 EU project REWIND.
Potential applications include the usage in the court of law for authentication of multimedia contents, fraud detection, prooving
ownership of given content or patent, identify the origin of a given multimedia data.
Current hot topics:
- device identification;
- patent identification;
- image/video phylogeny;
- fake detection;
- perceptually-undetectable antiforensic modifications.
Recent related publications:
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Lameri, S.; Bestagini, P.; Mellon, A.; Milani, S.; Rocha, A.; Tagliasacchi, M.; Tubaro, S., "Who is my parent? Reconstructing video sequences from partially matching shots," Image Processing (ICIP), 2014 IEEE International Conference on , vol., no., pp.5342,5346, 27-30 Oct. 2014
doi: 10.1109/ICIP.2014.7026081. Video demo
- Milani, S.; Bestagini, P.; Tagliasacchi, M.; Tubaro, S., "Antiforensic synthesis of motion vectors using template algorithms," Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on , vol., no., pp.2709,2713, 4-9 May 2014
doi: 10.1109/ICASSP.2014.6854092
- Milani, S.; Bestagini, P.; Tagliasacchi, M.; Tubaro, S., "Demosaicing strategy identification via eigenalgorithms," Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on , vol., no., pp.2659,2663, 4-9 May 2014
doi: 10.1109/ICASSP.2014.6854082
- Milani, S.; Piazza, P.F.; Bestagini, P.; Tubaro, S., "Audio tampering detection using multimodal features," Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on , vol., no., pp.4563,4567, 4-9 May 2014
doi: 10.1109/ICASSP.2014.6854466
- Melloni, A.; Bestagini, P.; Milani, S.; Tagliasacchi, M.; Rocha, A.; Tubaro, S., "Image phylogeny through dissimilarity metrics fusion," Visual Information Processing (EUVIP), 2014 5th European Workshop on , vol., no., pp.1,6, 10-12 Dec. 2014
doi: 10.1109/EUVIP.2014.7018370
- Milani, S.; Cuccovillo, L.; Tagliasacchi, M.; Tubaro, S.; Aichroth, P., "Video camera identification using audio-visual features," Visual Information Processing (EUVIP), 2014 5th European Workshop on , vol., no., pp.1,6, 10-12 Dec. 2014
doi: 10.1109/EUVIP.2014.7018382
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