473 search results - page 73 / 95 » Matching 2D Shapes using their Symmetry Sets |
TSP
2008
13 years 6 months ago
2008
Multidimensional hourglass filter banks decompose the frequency spectrum of input signals into hourglass-shaped directional subbands, each aligned with one of the frequency axes. T...
CVPR
2003
IEEE
14 years 2 days ago
2003
IEEE
This paper brings a novel method for three-dimensional reconstruction of surfaces that takes advantage of the symmetry resulting from alternating the positions of a camera and a l...
CVPR
2006
IEEE
14 years 25 days ago
2006
IEEE
In scenes containing specular objects, the image motion observed by a moving camera may be an intermixed combination of optical flow resulting from diffuse reflectance (diffuse ...
SODA
1997
ACM
13 years 8 months ago
1997
ACM
Given two planar polylines T and P with n and m edges, respectively, we present an O m2 n2 time, O mn space algorithm to nd portions of the text" T which are similar in sh...
PAMI
2006
13 years 6 months ago
2006
In this paper, we propose two novel methods for face recognition under arbitrary unknown lighting by using spherical harmonics illumination representation, which require only one t...