253 search results - page 41 / 51 » Nonlinear image representation using divisive normalization |
ICMCS
2007
IEEE
14 years 1 months ago
2007
IEEE
This paper investigates the use of the anisotropic 3-D dualtree discrete wavelet transform (DDWT) for video coding. The 3-D DDWT is an attractive video representation because it i...
ECCV
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. This paper proposes a novel approach to anomalous behaviour detection in video. The approach is comprised of three key components. First, distributions of spatiotemporal ...
MICCAI
2009
Springer
14 years 8 months ago
2009
Springer
Probabilistic models are extensively used in medical image segmentation. Most of them employ parametric representations of densities and make idealizing assumptions, e.g. normal di...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
We propose a new approach called "appearance clustering" for scene analysis. The key idea in this approach is that the scene points can be clustered according to their s...
EACL
2003
ACL Anthology
13 years 8 months ago
2003
ACL Anthology
We present a text-based approach for the automatic indexing and retrieval of digital photographs taken at crime scenes. Our research prototype, SOCIS, goes beyond keyword-based ap...