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This paper addresses the problem of counterfeiting of medicines in the form of pills and capsules by proposing a novel micron-scale secure RFID tag that would be inserted into the pill or capsule during the manufacturing process. For secure identification and authentication, a tagged pill or capsule would be scanned by a small inexpensive RFID reader, and key medicine information such as the drug...
Pure frequency-based audio fingerprint systems have the capacity of handling very short fingerprints while being highly robust to perturbations such as additive noise or compression. However, these approaches are often complex and fail to identify time stretched signals. We propose in this paper two extensions of an existing system and test the robustness of the overall system in different conditions...
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