Sciweavers

2564 search results - page 112 / 513
» Witness sets of projections
Sort
View
ENTCS
2002
80views more  ENTCS 2002»
13 years 10 months ago
Some Co-Birkhoff Type Theorems
We consider the dual of Theorem 1 from [33], relating closure conditions on subcategories with projectivity classes for collections of discrete cocones. We extend these results by...
Jesse Hughes
ACSC
2009
IEEE
14 years 4 months ago
Using Chronological Splitting to Compare Cross- and Single-company Effort Models: Further Investigation
Numerous studies have used historical datasets to build and validate models for estimating software development effort. Very few used a chronological split (where projects’ end ...
Chris Lokan, Emilia Mendes
PRL
2002
146views more  PRL 2002»
13 years 9 months ago
Face recognition with one training image per person
: Recently, a method called (PC)2 A was proposed to deal with face recognition with one training image per person. As an extension of the standard eigenface technique, (PC)2 A comb...
Jianxin Wu, Zhi-Hua Zhou
AI
2005
Springer
14 years 3 months ago
Comparing Dimension Reduction Techniques for Document Clustering
In this research, a systematic study is conducted of four dimension reduction techniques for the text clustering problem, using five benchmark data sets. Of the four methods -- Ind...
Bin Tang, Michael A. Shepherd, Malcolm I. Heywood,...
COMPIMAGE
2010
Springer
14 years 3 months ago
Direction-Dependency of a Binary Tomographic Reconstruction Algorithm
We study how the quality of an image reconstructed by a binary tomographic algorithm depends on the direction of the observed object in the scanner, if only a few projections are a...
László Varga, Péter Bal&aacut...