Nov 29, 2011

Seminar presentation on Digital Watermarking with modern Stenography

Seminar Papers Pharmacy Presentations technical IEEE ppts topics abstract on Digital watermarking with modern incarnation of steganography (Seminar Paper Presentations)
Abstract: A robust, computationally efficient and blind digital image watermarking in spatial domain has been discussed in this paper. Embedded watermark is meaningful and recognizable and recovery process needs only one secret image. Watermark insertion process exploits average brightness of the homogeneity regions of the cover image. Spatial mask of suitable size is used to hide data with less visual impairments. Experimental results show resiliency of the proposed scheme against large blurring attack like mean and Gaussian filtering, non linear filtering like median, image rescaling, symmetric image cropping, lower order bit manipulation of gray values and loss data compression like JPEG with high compression ratio and low PSNR values. Almost as discreetly as the technology itself, digital watermarking has recently made its debut on the geo-imaging stage.

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