Sciweavers

833 search results - page 108 / 167
» Geometric Optimization
Sort
View
ICIP
2010
IEEE
14 years 3 months ago
Real-time content-aware image resizing using reduced linear model
In this paper is presented an effective and efficient method for content-aware image resizing. It is based on the solution of a linear system where each pixel displacement (compres...
Edoardo Ardizzone, Roberto Gallea, Roberto Pirrone
MA
2011
Springer
219views Communications» more  MA 2011»
13 years 3 months ago
Quadratic minimisation problems in statistics
We consider the problem minx(x−t) A(x−t) subject to x Bx + 2b x = k where A is positive definite or positive semidefinite. Commonly occurring statistical variants of this pro...
Casper J. Albers, Frank Critchley, John C. Gower
MP
2010
150views more  MP 2010»
13 years 3 months ago
The algebraic degree of semidefinite programming
Given a generic semidefinite program, specified by matrices with rational entries, each coordinate of its optimal solution is an algebraic number. We study the degree of the minima...
Jiawang Nie, Kristian Ranestad, Bernd Sturmfels
MMAS
2010
Springer
13 years 3 months ago
A Nonlinear PDE-Based Method for Sparse Deconvolution
In this paper, we introduce a new nonlinear evolution partial differential equation for sparse deconvolution problems. The proposed PDE has the form of continuity equation that ar...
Yu Mao, Bin Dong, Stanley Osher
DIGITALCITIES
2003
Springer
14 years 2 months ago
Map-Based Range Query Processing for Geographic Web Search Systems
In order to utilize geographic web information for digital city applications, we have been developing a geographic web search system, KyotoSEARCH. When users retrieve geographic in...
Ryong Lee, H. Shiina, Taro Tezuka, Yusuke Yokota, ...