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ICCV
2007
IEEE
15 years 2 days ago
Half Quadratic Analysis for Mean Shift: with Extension to A Sequential Data Mode-Seeking Method
Theoretical understanding and extension of mean shift procedure has received much attention recently [8, 18, 3]. In this paper, we present a theoretical exploration and an algorit...
Xiaotong Yuan, Stan Z. Li
PLDI
2009
ACM
14 years 10 months ago
A decision procedure for subset constraints over regular languages
Reasoning about string variables, in particular program inputs, is an important aspect of many program analyses and testing frameworks. Program inputs invariably arrive as strings...
Pieter Hooimeijer, Westley Weimer
SAC
2010
ACM
14 years 5 months ago
Seal object detection in document images using GHT of local component shapes
Due to noise, overlapped text/signature and multi-oriented nature, seal (stamp) object detection involves a difficult challenge. This paper deals with automatic detection of seal ...
Partha Pratim Roy, Umapada Pal, Josep Lladó...
CSE
2009
IEEE
14 years 4 months ago
How Did You Get to Know That? A Traceable Word-of-Mouth Algorithm
Word-of-mouth communication has been shown to play a key role in a variety of environments such as viral marketing and virus spreading. A family of algorithms, generally known as ...
Manuel Cebrián, Enrique Frías-Mart&i...
AIED
2009
Springer
14 years 4 months ago
Student Knowledge Diagnosis Using Item Response Theory and Constraint-Based Modeling
One of the most popular student modeling techniques currently available is Constraint Based Modeling (CBM), which is based on Ohlsson's theory of learning from performance err...
Jaime Gálvez, Eduardo Guzmán, Ricard...