114 search results - page 4 / 23 » FM filters for modulation domain image processing |
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
A robust data hiding scheme that embeds the watermark bits by quantizing the gradient directions of an image is proposed. By embedding the watermark in the angle, the watermark be...
ICIP
1997
IEEE
14 years 8 months ago
1997
IEEE
Donald G. Bailey Physics Department, Massey University Palmerston North, New Zealand D.G.Bailey @massey.ac.nz Filtering is often used in image processing to smooth noise, and to e...
ICIP
2007
IEEE
14 years 8 months ago
2007
IEEE
We introduce a framework for image enhancement, which smooths images while preserving edge information. Domain (spatial) and range (feature) information are combined in one single...
IWDW
2007
Springer
14 years 22 days ago
2007
Springer
Abstract. Scaling attacks are well-known to be some of the most harmful strategies against quantization-based watermarking methods, as they desynchronize the decoder, completely ru...
ICASSP
2009
IEEE
14 years 1 months ago
2009
IEEE
This paper describes a method for designing oversampled DFT filter banks (FB) optimized for subband acoustic echo cancellation (AEC). For this application, the design requirements...