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SIGIR
2011
ACM
12 years 11 months ago
A boosting approach to improving pseudo-relevance feedback
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
Yuanhua Lv, ChengXiang Zhai, Wan Chen
INTERSPEECH
2010
13 years 3 months ago
Accurate pitch marking for prosodic modification of speech segments
This paper describes a new approach to pitch marking. Unlike other approaches that use the same combination of features for the whole signal, we take into account the signal prope...
Thomas Ewender, Beat Pfister
SCIA
2009
Springer
195views Image Analysis» more  SCIA 2009»
14 years 28 days ago
Multi-band Gradient Component Pattern (MGCP): A New Statistical Feature for Face Recognition
A feature extraction method using multi-frequency bands is proposed for face recognition, named as the Multi-band Gradient Component Pattern (MGCP). The MGCP captures discriminativ...
Yimo Guo, Jie Chen, Guoying Zhao, Matti Pietik&aum...
SIGIR
2005
ACM
14 years 1 months ago
Linear discriminant model for information retrieval
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
Jianfeng Gao, Haoliang Qi, Xinsong Xia, Jian-Yun N...
FLAIRS
2008
13 years 10 months ago
Unsupervised Approach for Selecting Sentences in Query-based Summarization
When a user is served with a ranked list of relevant documents by the standard document search engines, his search task is usually not over. He has to go through the entire docume...
Yllias Chali, Shafiq R. Joty