368 search results - page 20 / 74 » Some new iterative methods with three-order convergence |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, we develop a new approach to the robust beamforming for general-rank signal models. Our method is based on the worst-case performance optimization using a semi-de n...
EMNLP
2011
12 years 7 months ago
2011
We present new training methods that aim to mitigate local optima and slow convergence in unsupervised training by using additional imperfect objectives. In its simplest form, lat...
CGF
2004
13 years 7 months ago
2004
In the paper, a new method for modelling trees at medium detail is presented. The method is based on a volumetric representation of trees, generated by an iterated function system...
PAMI
2011
13 years 2 months ago
2011
— The accurate detection of object boundaries via active contours is an ongoing research topic in computer vision. Most active contours converge towards some desired contour by m...
NIPS
2007
13 years 9 months ago
2007
We present a novel message passing algorithm for approximating the MAP problem in graphical models. The algorithm is similar in structure to max-product but unlike max-product it ...