7628 search results - page 310 / 1526 » Spatial P systems |
166
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ISBI
2006
IEEE
16 years 7 months ago
2006
IEEE
Given a volume of cardiac MR images, we consider the problem of segmenting the heart based on intensity and dynamics. We first segment the heart and the chest from the background ...
193
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ICPR
2008
IEEE
16 years 1 months ago
2008
IEEE
This paper develops a new mask in the spatial domain for image watermarking. The mask exploits the properties of human visual system with respect to background luminance, the edge...
161
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ER
2004
Springer
16 years 2 days ago
2004
Springer
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
166
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ER
2001
Springer
15 years 11 months ago
2001
Springer
Rapid development of information technology such as mobile terminals and GPS systems enabled information services that provide location-oriented information based on users’ posit...
186
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ECHT
1994
15 years 10 months ago
1994
The emergent nature of structure is a crucial, but often ignored, constraint on authoring hypertexts. VIKI is a spatial hypertext system that supports the emergent s of structure ...