448 search results - page 58 / 90 » Directly optimizing evaluation measures in learning to rank |
BMVC
2010
14 years 7 months ago
2010
The standard approach to multi-modal registration is to apply sophisticated similarity metrics such as mutual information. The disadvantage of these measures, in contrast to simpl...
111
click to vote
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
We study in this paper the problem of bridging the semantic gap between low-level image features and high-level semantic concepts, which is the key hindrance in content-based imag...
ICDM
2008
IEEE
15 years 4 months ago
2008
IEEE
Selecting promising queries is the key to effective active learning. In this paper, we investigate selection techniques for the task of learning an equivalence relation where the ...
108
click to vote
ACCV
2007
Springer
14 years 11 months ago
2007
Springer
Abstract. The trace quotient problem arises in many applications in pattern classification and computer vision, e.g., manifold learning, low-dimension embedding, etc. The task is ...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
A novel maximal figure-of-merit (MFoM) learning approach to text categorization is proposed. Different from the conventional techniques, the proposed MFoM method attempts to integ...