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» Spatial Query Processing for High Resolutions
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SSDBM
2005
IEEE
128views Database» more  SSDBM 2005»
14 years 1 months ago
Fuzzy Decomposition of Spatially Extended Objects
Modern database applications including computer-aided design, multimedia information systems, medical imaging, molecular biology, or geographical information systems impose new re...
Hans-Peter Kriegel, Martin Pfeifle
ICIP
2006
IEEE
14 years 9 months ago
MMR: Mask Based Multi-Resolution Images and Videos
Multi-resolution quad-tree based image representations are useful for image and video encoding at varying bit rates. Existing algorithms use a difference measure of color values t...
Siddhartha Chattopadhyay, Suchendra M. Bhandarkar
ICDE
2000
IEEE
183views Database» more  ICDE 2000»
14 years 8 months ago
Accurate Estimation of the Cost of Spatial Selections
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
Ashraf Aboulnaga, Jeffrey F. Naughton
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
14 years 7 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
GIS
2010
ACM
13 years 6 months ago
Scalable shortest paths browsing on land surface
The growing popularity of online Earth visualization tools and geo-realistic games and the availability of high resolution terrain data have motivated a new class of queries to th...
Songhua Xing, Cyrus Shahabi