| |
|
|
|
|
Author(s) :
|
|
|
|
Abstract :
|
In this paper, we present a robust watermarking technique that
uses the wavelet based hard thresholding concept for image
denoising to determine the wavelet coefficients to be watermarked.
A multi-bit watermark is embedded into the discrete wavelet
coefficients of a still image. A corresponding blind watermark
extraction algorithm is proposed. The proposed method is compared
with other multiresolution watermarking methods. The simulation results show that
the proposed method provides better performance under most attacks
including JPEG compression.
|
|
|
|
|
Menu
|
