Sciweavers

SIP
2007
13 years 6 months ago
Matting through variational inpainting
While current matting algorithms work very well for some natural images, their performance is questionable in the presence of sharp discontinuities in the foreground and backgroun...
Kangyu Ni, Sheshadri R. Thiruvenkadam, Tony F. Cha...
SIP
2007
13 years 6 months ago
Occlusion tracking using logic models
We present a variational PDE based model for tracking objects under occlusion. Here, prior shape information is used to segment object boundaries that are occluded. The novelty in...
J. H. von Brecht, Sheshadri R. Thiruvenkadam, Tony...
SIP
2007
13 years 6 months ago
Geometrically robust image watermarking using star patterns
Digital copyright protection has become increasingly important in recent times due to the rapid growth of the Internet and the proliferation of P2P technologies. Copyright protect...
J. R. Zhang, Jon G. Rokne
SIP
2007
13 years 6 months ago
A variational segmentation framework using active contours and thresholding
Segmentation involves separating distinct regions in an image. In this note, we present a novel variational approach to perform this task. We propose an energy functional that nat...
Samuel Dambreville, Marc Niethammer, Anthony J. Ye...
SIP
2007
13 years 6 months ago
Parameter estimation for linear AM/FM sinusoids using frequency domain demodulation
This article deals with the estimation of sinusoidal parameters for non stationary sinusoids. It will be shown that for linear amplitude and frequency modulation only the frequenc...
Axel Röbel
SIP
2007
13 years 6 months ago
Scalable parallel collision detection simulation
Several simulations for parallel collision detection have been suggested during the last years. The algorithms usually greatly depend on the parallel infrastructure and this depen...
I. Grinberg, Yair Wiseman