CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
We present a new algorithm to detect humans in still images utilizing covariance matrices as object descriptors. Since these descriptors do not lie on a vector space, well known m...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
This paper proposes a new approach to 3D reconstruction of piecewise planar objects based on two image regularities, connectivity and perspective symmetry. First, we formulate the...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
The ability to associate objects across multiple views allows co-operative use of an ensemble cameras for scene understanding. In this paper, we present a principled solution to o...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
Conventional mutual information (MI)-based registration using pixel intensities is time-consuming and ignores spatial information, which can lead to misalignment. We propose a met...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
We propose a novel MRF-based model for deformable image matching (also known as registration). The deformation is described by a field of discrete variables, representing displace...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
Measuring BRDF (Bi-directional Reflectance Distribution Function) requires huge amounts of time because a target object must be illuminated from all incident angles and the reflec...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
We describe a method of representing human activities that allows a collection of motions to be queried without examples, using a simple and effective query language. Our approach...
CVPR
2007
IEEE
15 years 5 days ago
2007
IEEE
This paper presents a new constraint connecting the signals in multiple views of a surface. The constraint arises from a harmonic analysis of the geometry of the imaging process a...