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ICDAR
2009
IEEE
15 years 4 months ago
A Symbol Spotting Approach Based on the Vector Model and a Visual Vocabulary
This paper addresses the difficult problem of symbol spotting for graphic documents. We propose an approach where each graphic document is indexed as a text document by using the ...
Thi-Oanh Nguyen, Salvatore Tabbone, Alain Boucher
ICIP
2009
IEEE
15 years 4 months ago
Expanded bag of words representation for object classification
Currently, the bag of visual words (BOW) representation has received wide applications in object categorization. However, the BOW representation ignores the dependency relationshi...
Tinglin Liu, Jing Liu, Qingshan Liu, Hanqing Lu
ICIP
2009
IEEE
15 years 4 months ago
Fast and efficient fractional pixel motion estimation for H.264/AVC video coding
This paper presents a fast algorithm for H.264 fractional motion estimation (ME). In H.264 ME is the most time consuming component. The ME process consists of two stages: integer ...
Humaira Nisar, Tae-Sun Choi
ICPP
2009
IEEE
15 years 4 months ago
A Parallel Algorithm for Computing Betweenness Centrality
In this paper we present a multi-grained parallel algorithm for computing betweenness centrality, which is extensively used in large-scale network analysis. Our method is based on ...
Guangming Tan, Dengbiao Tu, Ninghui Sun
ICTIR
2009
Springer
15 years 4 months ago
Training Data Cleaning for Text Classification
Abstract. In text classification (TC) and other tasks involving supervised learning, labelled data may be scarce or expensive to obtain; strategies are thus needed for maximizing t...
Andrea Esuli, Fabrizio Sebastiani