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PAMI
2011
15 years 1 months ago
Overcoming Shadows in 3-Source Photometric Stereo
—Light occlusions are one of the most significant difficulties of photometric stereo methods. When three or more images are available without occlusion, the local surface orien...
Carlos Hernández, George Vogiatzis, Roberto...
TIP
2010
115views more  TIP 2010»
15 years 1 months ago
Constrained and Dimensionality-Independent Path Openings
Abstract--Path openings and closings are morphological operations with flexible line segments as structuring elements. These line segments have the ability to adapt to local image ...
Cris L. Luengo Hendriks
PAMI
2012
13 years 9 months ago
Spacetime Texture Representation and Recognition Based on a Spatiotemporal Orientation Analysis
—This paper is concerned with the representation and recognition of the observed dynamics (i.e., excluding purely spatial appearance cues) of spacetime texture based on a spatiot...
Konstantinos G. Derpanis, Richard P. Wildes
CVPR
2004
IEEE
16 years 9 months ago
Shaping Receptive Fields for Affine Invariance
The Gaussian kernel has played a central role in multi-scale methods for feature extraction and matching. In this paper, a method for shaping the filter using the local image stru...
S. Ravela
ISMAR
2007
IEEE
16 years 1 months ago
Accelerating Template-Based Matching on the GPU for AR Applications
Recently researchers have shown that it is possible to use GPU hardware for image processing and computer vision algorithms. We have been exploring how to use GPU hardware to impr...
Yannick Allusse, Raphael Grasset, Mark Billinghurs...