602 search results - page 79 / 121 » gradient vector flow |
IJCV
1998
13 years 9 months ago
1998
In the course of designing an integrated system for locating the focus of expansion (FOE) from a sequence of images taken while a camera is translating, a variety of direct motion ...
TIP
2002
13 years 9 months ago
2002
Local curvature represents an important shape parameter of space curves which are well described by differential geometry. We have developed an estimator for local curvature of spa...
NECO
2007
13 years 9 months ago
2007
In recent years, gradient-based LSTM recurrent neural networks (RNNs) solved many previously RNN-unlearnable tasks. Sometimes, however, gradient information is of little use for t...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
In various applications, the effect of errors in gradient-based iterations is of particular importance when seeking saddle points of the Lagrangian function associated with constra...
TSMC
2010
13 years 4 months ago
2010
Abstract--This paper presents a new region-based unified tensor level set model for image segmentation. This model introduces a three-order tensor to comprehensively depict feature...