19 search results - page 2 / 4 » Fourier signature in log-polar images |
MMSEC
2005
ACM
13 years 10 months ago
2005
ACM
Digital watermarking is a technology to hide information in digital media. We extend the digital watermarking technique Phasemark™, originally developed solely for image authent...
CIBCB
2009
IEEE
13 years 3 months ago
2009
IEEE
Reliable shape modeling and clustering of white matter fiber tracts is essential for clinical and anatomical studies that use diffusion tensor imaging (DTI) tractography techniques...
SPIESR
1997
13 years 6 months ago
1997
In this paper we address image retrieval by similarity in multimedia databases. We discuss the generation and use of signatures computed from image content. The proposed technique...
ICMCS
1999
IEEE
13 years 9 months ago
1999
IEEE
Many types of pseudo-random signals have been used to embed signatures as watermarks, with spread spectrum signal techniques used to recover the signature from the encrypted data....
ICIP
1997
IEEE
14 years 6 months ago
1997
IEEE
A novel method unifying viewer and model centered approaches for representing structurally complex 3-D objects like human faces is presented. The uni ed 3D frequency-domain repres...