31 search results - page 4 / 7 » A Robust Image Watermarking Scheme using Singular Value Deco... |
TIFS
2008
13 years 8 months ago
2008
This paper presents two vector watermarking schemes that are based on the use of complex and quaternion Fourier transforms and demonstrates, for the first time, how to embed waterm...
DCC
2011
IEEE
13 years 3 months ago
2011
IEEE
We present a new color image compression algorithm for RGB images. In our previous work [6], we presented a machine learning technique to derive a dictionary of orthonormal basis ...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
In this paper we describe an application which takes a video shot as input and produces a compact representation composed by a background layer and segmented moving objects. We de...
JCNS
2010
13 years 7 months ago
2010
Laser-scanning methods are a means to observe streaming particles, such as the flow of red blood cells in a blood vessel. Typically, particle velocity is extracted from images form...
ICRA
2009
IEEE
14 years 3 months ago
2009
IEEE
—This paper presents a new method for extracting object edges from range images obtained by a 3D range imaging sensor⎯the SwissRanger SR-3000. In range image preprocessing stag...