80 search results - page 9 / 16 » Means in spaces of tree-like shapes |
TMM
2008
13 years 7 months ago
2008
Story clustering is a critical step for news retrieval, topic mining, and summarization. Nonetheless, the task remains highly challenging owing to the fact that news topics exhibit...
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
The paper deals with grouping of edges to contours of shapes using only local symmetry and continuity. Shape skeletons are used to generate the search space for a version of the M...
ISBI
2006
IEEE
14 years 8 months ago
2006
IEEE
In this paper, we describe the use of three different shape measures -- i.e., shape index, curvedness, and L2 norm of mean curvature -- to quantify cortical gyrification and compl...
CAIP
2007
Springer
14 years 1 months ago
2007
Springer
The paper focusses on a group of segmentation problems dealing with 3D data sets showing thin objects that appear disconnected in the data due to partial volume effects or a large...
SODA
1997
ACM
13 years 9 months ago
1997
ACM
Given two planar polylines T and P with n and m edges, respectively, we present an O m2 n2 time, O mn space algorithm to nd portions of the text" T which are similar in sh...