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700views
16 years 10 months ago
Optimal Approximations by Piecewise Smooth Functions and Associated Variational Problems - [ Mumford-Shah ]
"The purpose of this paper is to introduce and study the most basic properties of three new variational problems which are suggested by applications to computer vision. In com...
David Mumford and Jayant Shah
IWCIA
2004
Springer
15 years 7 months ago
Joint Non-rigid Motion Estimation and Segmentation
Abstract. Usually object segmentation and motion estimation are considered (and modelled) as different tasks. For motion estimation this leads to problems arising especially at th...
Boris Flach, Radim Sára
CGF
2010
135views more  CGF 2010»
15 years 2 months ago
Designing Quad-dominant Meshes with Planar Faces
We study the combined problem of approximating a surface by a quad mesh (or quad-dominant mesh) which on the one hand has planar faces, and which on the other hand is aestheticall...
Mirko Zadravec, Alexander Schiftner, Johannes Wall...
DISOPT
2007
90views more  DISOPT 2007»
15 years 1 months ago
On the job rotation problem
The job rotation problem (JRP) is the following: Given an n × n matrix A over R ∪ {−∞} and k ≤ n, find a k × k principal submatrix of A whose optimal assignment problem...
Peter Butkovic, Seth Lewis
MMM
2007
Springer
127views Multimedia» more  MMM 2007»
15 years 8 months ago
Optimizing the Throughput of Data-Driven Based Streaming in Heterogeneous Overlay Network
Recently, much attention has been paid on data-driven (or swarm-like) based live streaming systems due to its rapid growth in deployment over Internet. In such systems, nodes rando...
Meng Zhang, Chunxiao Chen, Yongqiang Xiong, Qian Z...