47 search results - page 7 / 10 » Phase Field Models and Higher-Order Active Contours |
411
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Dataset
Active contours, or snakes, are computer-generated curves that move within images to find object boundaries. Its 3D version is often known as deformable models or active surfaces ...
79
Voted
ISBI
2008
IEEE
15 years 10 months ago
2008
IEEE
Four-dimensional ultrasound based on matrix phased array transducers can capture the complex 4D cardiac motion in a complete and real-time fashion. However, the large amount of in...
88
Voted
SDM
2010
SIAM
14 years 11 months ago
2010
SIAM
We present a method for unsupervised discovery of abnormal occurrences of activities in multi-dimensional time series data. Unsupervised activity discovery approaches differ from ...
ICCV
2001
IEEE
15 years 11 months ago
2001
IEEE
Several geometric active contour models have been proposed for segmentation in computer vision. The essential idea is to evolve a curve (in 2D) or a surface (in 3D) under constrai...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
Signal processing using over-complete representations has been an active research field in recent years. In this article, we study the following two related problems: (1) given tw...