570 search results - page 48 / 114 » Efficient retrieval of similar shapes |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Evaluation in Information Retrieval (IR) has long focused on effectiveness and efficiency. However, new and emerging access tasks now demand alternative evaluation measures which ...
ICIP
2000
IEEE
14 years 3 days ago
2000
IEEE
In this paper we propose an algorithm to partition MPEG-4 video objects into temporal segments with uniform activity levels. These segments can be used for efficient summarization...
HUMAN
2003
Springer
14 years 27 days ago
2003
Springer
In this paper, we propose the ontology-based semantic web search model to enhance efficiency and accuracy of information retrieval for unstructured and semi-structured documents. N...
SSD
2001
Springer
14 years 3 days ago
2001
Springer
Like people who casually assess similarity between spatial scenes in their routine activities, users of pictorial databases are often interested in retrieving scenes that are simil...
ICML
2007
IEEE
14 years 8 months ago
2007
IEEE
We consider the problem of learning a similarity function from a set of positive equivalence constraints, i.e. 'similar' point pairs. We define the similarity in informa...