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Re: [WM]: Query on Digital Watermarking
Hello Vijayendra Gaur
Its nice to hear that you are working on Watermarking Most of your questions would be answered if you visit my website
http://www.ceebi.curtin.edu.au/~potdarv/
As far as most implementation goes MATLAB is the preferred tool All complex mathematical equations are inbuilt in MATLAB I have
MATLAB code for most of my watermarking algorithms which are based on Wavelet.
It might be helpful to you
I recommend you go thru my papers which would give you an insight into this field
V. Potdar, S. Han, E. Chang, "A Survey of Digital Image Watermarking Techniques", in Proceedings of the 3rd International IEEE
Conference on Industrial Informatics, Perth, Western Australia, 10-12 Aug 2005
V. Potdar, E. Chang, "Scalar Quantization based Robust Image Watermarking Algorithm in the Wavelet Domain", in ITC Conference,
Perth, Western Australia, 2005
V. Potdar, S. Han, E. Chang, "Fingerprinted Secret Sharing Steganography for Robustness against Image Cropping Attacks", in
Proceedings of the 3rd International IEEE Conference on Industrial Informatics, Perth, Western Australia, 10-12 Aug 2005 "Received
Best Paper (Presentation) Award and Invited for IEEE Transactions"
If you need any have any more queries please feel free to contact me
Regards.
POTDAR Vidyasagar M.
Doctoral Researcher and Associate Lecturer @ Curtin University of Technology Address 214 Hill View Terrace, Bentley, Perth 6102
Mobile (+61) 04 2124 7048
Office (+61) 08 9266 3171 or 1057
Web http://www.ceebi.research.cbs.curtin.edu.au/~potdarv
WINNER's don't do different things
They do things DIFFERENTLY
>>> Vijayendra <viju_jaipur@yahoo.com> 11/30/2005 3:17 PM >>>
Dear watermarkers
I am final year student of software engineering and i am doing a project on Invisible Watermarking of Digital Images for Copyright
Protection but i do not have pre knowledge of this field but till now i have done lot of research work on it and have gone through
Digital Image Processing books. Now i am familiar with image like what is a image and how to operate on them.
i wrote few programs like histogram equalization, median filter, negative etc. using VC++ and Vision SDK tookit.
But i have few problems as stated below-
1) As image processing is totaly mathematical so i am finding difficulties in converting large mathematical equation into
programs. can any body tell me easiest way to do it.
2) i am not getting any idea on how to implement watermark on image
3) i will be using Haar Wavelet Transformation algorithm. But the concept of Wavelet and Multiresolution band, Subband is not
clear to me.
4) What is a band in an image context. how can i understand it.
Can you guys help me out with some useful solution. ALso plz tell me any site where i can get some sample programs in image
manipulation using VC++ platform.
Plz Guide me in my project...................
Thanking You
Best Wishes!!
Vijayendra Gaur
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