119 search results - page 7 / 24 » Invariants for Non-Hierarchical Object Structures |
ICIP
2010
IEEE
13 years 5 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...
ACCV
2006
Springer
14 years 1 months ago
2006
Springer
Abstract. In this paper, we present a new, biologically inspired perceptual feature to solve the selectivity and invariance issue in object recognition. Based on the recent findin...
CVPR
2001
IEEE
14 years 9 months ago
2001
IEEE
Isometric surfaces share the same geometric structure also known as the `first fundamental form'. For example, all possible bending of a given surface, that include all lengt...
ACCV
2006
Springer
14 years 1 months ago
2006
Springer
Level set based segmentation has been used with and without shape priors, to approach difficult segmentation problems in several application areas. This paper addresses two limita...
CIKM
2005
Springer
14 years 27 days ago
2005
Springer
We present data representations, distance measures and organizational structures for fast and efficient retrieval of similar shapes in image databases. Using the Hough Transform w...