4581 search results - page 563 / 917 » Computing Transformation Semigroups |
171
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SIS
2007
15 years 8 months ago
2007
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
169
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FLAIRS
2001
15 years 8 months ago
2001
A knowledge base is maintained by modifying its conceptual model and by using those modifications to specify changes to its implementation. The maintenance problem is to determine...
148
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IMAGING
2004
15 years 8 months ago
2004
In imaging applications, computation is often carried out in a derivative (gradient) domain. For example, we can attenuate small image differences by thresholding the gradient and...
196
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GRAPHICSINTERFACE
2001
15 years 8 months ago
2001
Digital watermarking embeds a structure called watermark into the target data, such as image and 3D polygonal models. The watermark can be used, for example, to enforce copyright ...
187
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DICTA
2003
15 years 8 months ago
2003
Image mosaicing has been collecting considerable attention in the field of computer vision and photogrammetry. Unlike previous methods using a tripod, we have developed which can h...