Bit Plane Slicing based Digital Watermarking Technique in DWT Domain
Mayank Mishra1, Nirmal Kumar Rout2, Nageswara Rao Budipi3

1Mayank Mishra, School of Electronics Engineering, KIIT University, Bhubaneswar, India.
2Dr. Nirmal Kumar Rout, School of Electronics Engineering, KIIT University, Bhubaneswar, India.
3Nageswara Rao Budipi, School of Electronics Engineering, KIIT University, Bhubaneswar, India.
Manuscript received on July 20, 2019. | Revised Manuscript received on August 10, 2019. | Manuscript published on August 30, 2019. | PP: 525-529 | Volume-8 Issue-6, August 2019. | Retrieval Number: E7301068519/2019©BEIESP | DOI: 10.35940/ijeat.E7301.088619
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Abstract: Authenticity of image and its copyright protection are one of the essential application of watermarking. In this paper, a hybrid technique for watermarking in DWT domain is presented for its application in the field of providing authentication to images. In this work binary image is used as watermark and is embedded in the ‘host image’. Before embedding the watermark in the host, the host image is splitted into 8 bit planes using bit plane slicing. Followed that DWT is applied to the least significant bit plane which partitions the respective plane into low frequency (LL sub band) and high frequency (HH, HL and LH sub bands). The SVD is applied to HH sub band of least significant bit plane and watermark is embedded on the singular matrix part of SVD. To analyses the robustness of the scheme proposed in this paper, watermarked image is attacked by different image processing attacks. Original watermark and extracted watermark is compared on the scale of normalized correlation to measure the robustness of the scheme against various attacks.
Keywords: Bit plane slicing, SVD, DWT, digital image watermarking, robust.