28 search results - page 5 / 6 » Quantization Based Blind Watermarking Algorithm Using DWT |
JMM2
2008
13 years 5 months ago
2008
In this work, an adaptive image compression algorithm is proposed based on the prediction of AC coefficients in Discrete Cosine Transform (DCT) block during reconstruction of image...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
The weighted overlap add (WOLA) technique is routinely used in audio processing to avoid introducing audible clicks. This process introduces inter-dependencies between WOLA coeffi...
CGF
2010
13 years 5 months ago
2010
We propose a watermarking algorithm for polygonal meshes based on the modification of the Laplacian coordinates. More specifically, we first compute the Laplacian coordinates (x,y...
PG
2003
IEEE
13 years 10 months ago
2003
IEEE
Digital watermarking is a technique for embedding information into data, such as images, 3D models, or audio files, such that some properties (i. e., security, imperceptibility, ...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in image indexing, authenticatio...