9 search results - page 2 / 2 » The polar distance transform by fast-marching |
CVPR
2012
IEEE
11 years 7 months ago
2012
IEEE
In this work, we present intrinsic shape context (ISC) descriptors for 3D shapes. We generalize to surfaces the polar sampling of the image domain used in shape contexts: for this...
PSIVT
2007
Springer
13 years 11 months ago
2007
Springer
: Measuring ellipticity is an important area of computer vision systems. Most existing ellipticity measures are area based and cannot be easily applied to point sets such as extrac...
DAGM
2010
Springer
13 years 5 months ago
2010
Springer
Content-based image retrieval requires a natural image (e.g, a photo) as query, but the absence of such a query image is usually the reason for a search. An easy way to express the...
SCIA
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. In medical imaging, signals acquired in non-Cartesian coordinate systems are common. For instance, CT and MRI often produce significantly higher resolution within scan p...