203 search results - page 5 / 41 » Image retrieval based on projective invariance |
FLAIRS
2008
13 years 11 months ago
2008
This paper presents a strategy for shape-based image retrieval in which moment invariants form a feature vector to describe the shape of an object. Fuzzy k-means clustering is use...
ICPR
2010
IEEE
13 years 6 months ago
2010
IEEE
In this paper, the Radon transform is used to design a new descriptor called Phi-signature invariant to usual geometric transformations. Experiments show the effectiveness of the m...
TMM
2002
13 years 8 months ago
2002
Abstract-- We aim for content-based image retrieval of textured objects in natural scenes under varying illumination and viewing conditions. To achieve this, image retrieval is bas...
AMR
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. To automatically retrieve documents or images from a database, retrieval systems use similarity measures to compare a request based on features extracted from the documen...
ICIP
2010
IEEE
13 years 6 months ago
2010
IEEE
We present an image retrieval system driven by free-hand sketched queries depicting shape. We introduce Gradient Field HoG (GF-HOG) as a depiction invariant image descriptor, enca...