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ICASSP
2011
IEEE
14 years 8 months ago
Direction-resolved estimation of multipath parameters for UWB channels: A partially collapsed Gibbs sampler method
We propose a Monte Carlo method for determining the parameters of multipath components (MPCs) for ultra-wideband channels. A partially collapsed Gibbs sampler is used for jointly ...
Georg Kail, Klaus Witrisal, Franz Hlawatsch
CGF
2011
14 years 8 months ago
RTSAH Traversal Order for Occlusion Rays
We accelerate the finding of occluders in tree based acceleration structures, such as a packetized BVH and a single ray kd-tree, by deriving the ray termination surface area heur...
Thiago Ize, Charles D. Hansen
ICCV
2011
IEEE
14 years 4 months ago
Learning to Cluster Using High Order Graphical Models with Latent Variables
This paper proposes a very general max-margin learning framework for distance-based clustering. To this end, it formulates clustering as a high order energy minimization problem w...
Nikos Komodakis
ICCV
2011
IEEE
14 years 4 months ago
Who Blocks Who: Simultaneous Clothing Segmentation for Grouping Images
Clothing is one of the most informative cues of human appearance. In this paper, we propose a novel multi-person clothing segmentation algorithm for highly occluded images. The ke...
Wang Nan, Haizhou Ai
CAIP
2011
Springer
253views Image Analysis» more  CAIP 2011»
14 years 4 months ago
Detection of Retinal Vascular Bifurcations by Trainable V4-Like Filters
Abstract. The detection of vascular bifurcations in retinal fundus images is important for finding signs of various cardiovascular diseases. We propose a novel method to detect su...
George Azzopardi, Nicolai Petkov