524 search results - page 11 / 105 » Discrete Pulse Transform of images: Algorithm and applicatio... |
VLSID
2007
IEEE
14 years 8 months ago
2007
IEEE
The Discrete Wavelet Transform (DWT) forms the core of the JPEG2000 image compression algorithm. Since the JPEG2000 compression application is heavily data-intensive, the overall ...
IWCIA
2009
Springer
14 years 2 months ago
2009
Springer
In discrete geometry, the Distance Transformation and the Medial Axis Extraction are classical tools for shape analysis. In this paper, we present a Hierarchical Discrete Medial Ax...
ICASSP
2011
IEEE
12 years 12 months ago
2011
IEEE
Abstract— A hybrid model was developed to predict the zeroquantized discrete cosine transform (ZQDCT) coefficients for intra blocks in our previous work. However, the complicated...
ISCAS
2003
IEEE
14 years 1 months ago
2003
IEEE
In this paper, a robust and efficient digital image watermarking algorithm using the fast Hadamard transform (FHT) is proposed for the copyright protection of digital images. This...
INFORMATICALT
2006
13 years 8 months ago
2006
In this paper, a digital watermarking algorithm for copyright protection based on the concept of embed digital watermark and modifying frequency coefficients in discrete wavelet tr...