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Invisible digital watermarking is coming to be the most popular technology to protect digital copyright of multimedia data. Schemes based on Discrete Cosine Transform (DCT) are widely used in image or video digital watermarking. In this paper, we proposed a new method that simplify the previous DCT-based methods while more robust to common attacks than conventional methods. We get rid of traditional...
Examination and identification of tool marks is traditionally carried out under a comparison microscope by forensic scientists. This manual process is dependent on the experience of the examiner, including subjectivity. In order to improve the reliability and repeatability of the process in criminal investigation and trial, automation and quantification for tool mark examination is demanded. Shear...
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