108 search results - page 13 / 22 » Image quantization under spatial smoothness constraints |
ICIP
2005
IEEE
14 years 10 months ago
2005
IEEE
We introduce a set theoretic framework for watermarking and illustrate its effectiveness by designing a hierarchical semi-fragile watermark that is tolerant to compression and all...
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
A new localized and computationally efficient approach is presented for shift/space-variant image restoration. Unlike conventional approaches, it models shift-variant blurring in...
TMI
2002
13 years 8 months ago
2002
The utility of optical tomography as a practical imaging modality has, thus far, been limited by its intrinsically low spatial resolution and quantitative accuracy. Recently, we ha...
BMVC
2000
13 years 9 months ago
2000
Accurate and high density estimation of optical flow vectors in an image sequence is accomplished by a method that estimates the velocity distribution function for small overlappi...
SCIA
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. Recently, an energy-based unified framework for image denoising was proposed by Mr´azek et al. [10], from which existing nonlinear filters such as M-smoothers, bilater...