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In this paper, we demonstrate that it is possible to use the sensor's pattern noise for digital camera identification from images. The pattern noise is extracted from the images using a wavelet-based denoising filter. For each camera under investigation, we first determine its reference pattern, which serves as a unique identification fingerprint. This could be done using the process of flat-fielding, if we have the camera in possession, or by averaging the noise obtained from multiple images,doi:10.1117/12.587105 dblp:conf/eiivcp/LukasFG05 fatcat:qvetowpzd5fmra7vxedaw2yh6q