Geethu Priya

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In this paper, PTS scheme is combined with Alamouti SFBC for PAPR reduction in MIMO-OFDM systems without side information. In the existing system, the modulated symbols are first multiplied by U different phase sequences resulting in U modified data blocks. This technique is termed as SLM technique. Then the Alamouti SFBC scheme is applied to the resulting(More)
For decades, photographs have often served as evidence in courts. One of the most common forms of photographic manipulation, known as image composition or splicing is analysed in this paper. The goal of blind image forensics is to distinguish original and manipulated images. We propose illumination color as a new indicator for the assessment of image(More)
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