418 search results - page 6 / 84 » Computational Geometry of Contour Extraction |
ICPR
2000
IEEE
14 years 8 months ago
2000
IEEE
To achieve a face recognition system robust to the presence of glasses, we have developped a glasses detection and extraction algorithm. Detection is realized using edge informati...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
In this paper, we present an automatic mouth contour and state estimation system. An efficient mouth contour extraction algorithm is proposed under the framework of Active Shape M...
TOG
2002
13 years 7 months ago
2002
This paper describes a new method for contouring a signed grid whose edges are tagged by Hermite data (i.e; exact intersection points and normals). This method avoids the need to ...
ICPR
2004
IEEE
14 years 8 months ago
2004
IEEE
We present a new contour analysis technique to detect people in thermal imagery. Background-subtraction is first used to identify local regions-of-interest. Gradient information w...
SMA
2006
ACM
14 years 1 months ago
2006
ACM
Many applications require the extraction of isolines and isosurfaces from scalar functions defined on regular grids. These scalar functions may have many different origins: from ...