6328 search results - page 203 / 1266 » From Quantity to Quality |
172
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ICCV
2009
IEEE
16 years 11 months ago
2009
IEEE
The classical approach to depth from defocus uses two
images taken with circular apertures of different sizes. We
show in this paper that the use of a circular aperture
severely...
174
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IWCF
2009
Springer
16 years 1 months ago
2009
Springer
The Photo Response Non-Uniformity acts as a digital fingerprint that can be used to identify image sensors. This characteristic has been used in previous research to identify sca...
141
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ICPR
2008
IEEE
16 years 1 months ago
2008
IEEE
Global gray-level thresholding techniques such as Otsu’s method, and local gray-level thresholding techniques such as adaptive thresholding method are powerful in extracting cha...
140
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ECTEL
2007
Springer
16 years 23 days ago
2007
Springer
Engagement is an important aspect of effective learning. Time spent using an e-Learning system is not quality time if the learner is not engaged. Tracking student disengagement wou...
155
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AI
2004
Springer
15 years 12 months ago
2004
Springer
Session reconstruction is an essential step in Web usage mining. The quality of reconstructed sessions affects the result of Web usage mining. This paper presents a new approach o...