441 search results - page 5 / 89 » Convex Graph Invariants |
ICPR
2008
IEEE
14 years 1 months ago
2008
IEEE
In this paper, we present a scheme towards recognition of English character in multi-scale and multi-oriented environments. Graphical document such as map consists of text lines w...
COCOON
2009
Springer
14 years 2 months ago
2009
Springer
It is shown that for every finite set of disjoint convex polygonal obstacles in the plane, with a total of n vertices, the free space around the obstacles can be partitioned into ...
ICCV
2005
IEEE
14 years 9 months ago
2005
IEEE
Example-based learning of codes that statistically encode general image classes is of vital importance for computational vision. Recently, non-negative matrix factorization (NMF) ...
DCG
2000
13 years 7 months ago
2000
This paper examines directed graphs related to convex polytopes. For each fixed d-polytope and any acyclic orientation of its graph, we prove there exist both convex and concave fu...
DCG
2006
13 years 7 months ago
2006
Abstract. Hyperbolic area is characterized as the unique continuous isometry invariant simple valuation on convex polygons in H2 . We then show that continuous isometry invariant s...