Dae-Jin Jung

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With advances in digital camcorders, recapturing commercial videos called camcorder theft is getting a big problem. In this paper, we propose an automatic detection method for recaptured videos based on the photo response non-uniformity (PRNU). To discern a recaptured video, a given video is divided into shots first. Several usable shots are selected and(More)
The authors report the case of a 52-year-old man who had undergone resection of an ossified posterior longitudinal ligament via the anterior approach. The patient experienced postoperative neurological deterioration that may have been caused by a massive cord herniation associated with a dural defect at the corpectomy site. Spinal cord herniation may(More)
Bio-cryptographic systems provide security by securing a cryptographic key with biometric data. To secure the cryptographic key, biometric data should be significantly consistent. However, the uncertainty of biometrics makes it complicated to achieve highly accurate authentication. In this paper, we propose a novel bio-cryptographic authentication scheme(More)
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