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COMPUTING
2004
13 years 9 months ago
2004
The presented image registration method uses a regularized gradient flow to correlate the intensities in two images. Thereby, an energy functional is successively minimized by des...
CSUR
2004
13 years 9 months ago
2004
Vessel segmentation algorithms are the critical components of circulatory blood vessel analysis systems. We present a survey of vessel extraction techniques and algorithms. We put ...
CSUR
2000
13 years 9 months ago
2000
to extract information at a level of abstraction that is useful to investigators interested in analyzing application usage or evaluating usability. This survey examines computer-ai...
CORR
2002
Springer
13 years 9 months ago
2002
Springer
for data abstraction and justifies reasoning by simulation. Representation independence has been shown for a variety of languages and constructs but not for shared references to mu...
CSCW
2002
ACM
13 years 9 months ago
2002
ACM
Activity theory is based on the concept of tools mediating between subjects and objects. In this theory, an individual's creative interaction with his or her surroundings can ...