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Sensor photoresponse nonuniformity has been proposed as a unique identifier (fingerprint) for various forensic tasks, including digital-camera ballistics in which an image is matched to the specific camera that took it. The problem investigated here concerns the situation when an adversary estimates the sensor fingerprint from a set of images and superimposes it onto an image from a different camera...
Due to a production error, the above titled paper (ibid., vol. 6, no. 1, pp. 227-236, Mar. 11), was published as a correspondence in the March 2011 issue of IEEE Transactions on Information Forensics and Security. This paper was actually accepted as a Regular Paper and should have been published as such.
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