5575 search results - page 427 / 1115 » Information Extraction |
149
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FGR
2000
IEEE
15 years 11 months ago
2000
IEEE
We present an algorithm for estimation of head orientation, given cropped images of a subject’s head from any viewpoint. Our algorithm handles dramatic changes in illumination, ...
206
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CIVR
2006
Springer
15 years 10 months ago
2006
Springer
Extraction and utilization of high-level semantic features are critical for more effective video retrieval. However, the performance of video retrieval hasn't benefited much d...
189
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ICMI
2000
Springer
15 years 10 months ago
2000
Springer
This paper presents a simple and fast technique for geometrical feature detection of several human face organs such as eyes and mouth. Human face gravity-center template is firstly...
160
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ACL
2008
15 years 8 months ago
2008
Paraphrases have proved to be useful in many applications, including Machine Translation, Question Answering, Summarization, and Information Retrieval. Paraphrase acquisition meth...
211
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DBSEC
2010
15 years 8 months ago
2010
As online social networking sites become more and more popular, they have also attracted the attentions of the spammers. In this paper, Twitter, a popular micro-blogging service, i...