DIGITAL WATERMARKING TECHNIQUE BASED ON MULTI-RESOLUTION CURVELET TRANSFORM Ranjeeta Kaushik1 , Sanjay Sharma2 and L. R. Raheja3 1 Department of Computer Science and Engineering, Thapar University, Patiala, Punjab, India 2Department of Electronics and Communication Engineering, Thapar University, Patiala, Punjab, India 3 Department of Navel Engineering, IIT, Kharagpur, India. ABSTRACT In this paper an efficient & robust non-blind watermarking technique based on multi-resolution geometric analysis named curvelet transform is proposed. Curvelet transform represent edges along curve much more efficiently than the wavelet transform and other traditional transforms. The proposed algorithm of embedding watermark in different scales in curvelet domain is implemented and the results are compared using proper metric. The visual quality of watermarked image, efficiency of data hiding and the quality of extracted watermark of curvelet domain embedding techniques with wavelet Domain at different number of decomposition levels are compared. Experimental results show that embedding in curvelet domain yields best visual quality in watermarked image, the quality of extracted watermark, robustness of the watermark and the data hiding efficiency