2004 search results - page 201 / 401 » Sampling from large graphs |
162
click to vote
CVPR
2000
IEEE
15 years 10 months ago
2000
IEEE
We use cluster analysis as a unifying principle for problems from low, middle and high level vision. The clustering problem is viewed as graph partitioning, where nodes represent ...
161
click to vote
ICDAR
2007
IEEE
16 years 19 days ago
2007
IEEE
The effectiveness of kernel fisher discrimination analysis (KFDA) has been demonstrated by many pattern recognition applications. However, due to the large size of Gram matrix to ...
138
click to vote
SIGIR
2006
ACM
16 years 10 days ago
2006
ACM
We consider the problem of evaluating retrieval systems using a limited number of relevance judgments. Recent work has demonstrated that one can accurately estimate average precis...
154
click to vote
BMVC
1998
15 years 7 months ago
1998
When using a gradient-basedmethod to determine the optical flow field for an image sequence, it is generally appreciated that some spatial pre-filtering of the images is usually n...
201
click to vote
ICMCS
2009
IEEE
15 years 4 months ago
2009
IEEE
This paper presents a robust and accurate method for joint head pose and facial actions tracking, even under challenging conditions such as varying lighting, large head movements,...