Published

Signal and Image processing

Dark Signal Non-Uniformity for Source Camera Identification

Published on - 14th International Workshop on Biometrics and Forensics

Authors: Julieta Umpierrez, Marina Gardella, Rafael Grompone von Gioi, Pablo Musé, Jean-Michel Morel

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Source camera identification is the task of determining the camera that captured an image. This is often performed using the photo response non-uniformity (PRNU) as the camera fingerprint. However, there is another sensor non-uniformity: the dark signal non-uniformity (DSNU), which has been less extensively studied in the forensic community. In this work, we prove that the DSNU can be used to perform source camera identification and present a systematic study of this signal.