433 search results - page 66 / 87 » Sketch-based shape retrieval |
ECCV
2008
Springer
14 years 9 months ago
2008
Springer
Abstract. We present a refined method for rotation estimation of signals on the 2-Sphere. Our approach utilizes a fast correlation in the harmonic domain to estimate rotation angle...
SSPR
2004
Springer
14 years 1 months ago
2004
Springer
Concavity trees are structures for 2-D shape representation. In this paper, we present a new recursive method for concavity tree matching that returns the distance between two attr...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
We show the potential for classifying images of mixtures of aggregate, based themselves on varying, albeit well-defined, sizes and shapes, in order to provide a far more effective...
PAMI
2010
13 years 6 months ago
2010
—Medial representations of shapes are useful due to their use of an object-centered coordinate system that directly captures intuitive notions of shape such as thickness, bending...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
The performance of a content based image retrieval (CBIR) system is inherently constrained by the features adopted to represent the images in the database. In this paper, a new ap...