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ICCV
1999
IEEE
15 years 12 months ago
Photometric Surface Analysis in a Tri-Luminal Environment
Methods for the analysis of images of the same scene taken under three different lighting conditions are illustrated. A technique that separates the effects of geometry and surfac...
Elli Angelopoulou, James P. Williams
ICPR
2004
IEEE
15 years 11 months ago
Motion Analysis Using Frame Differences with Spatial Gradient Measures
The paper considers making inferences about the underlying true 2-D motion when only evaluations of a local block-based cost function, the mean of absolute or squared differences,...
Pekka Sangi, Janne Heikkilä, Olli Silvé...
ICPR
2008
IEEE
15 years 11 months ago
Locally invariant texture analysis from the topographic map
In this paper, we present a set of texture features that are locally invariant to similarity or affinity. The proposed indexing scheme relies on the topographic map, a shape-based...
Gui-Song Xia, Julie Delon, Yann Gousseau
ICPR
2008
IEEE
15 years 4 months ago
Finite element modeling of facial deformation in videos for computing strain pattern
We present a finite element modeling based approach to compute strain patterns caused by facial deformation during expressions in videos. A sparse motion field computed through ...
Vasant Manohar, Matthew Shreve, Dmitry B. Goldgof,...
ICPR
2002
IEEE
15 years 11 months ago
Quantitative Color Optical Flow
We perform a qualitative and quantitative analysis of various multi-framecolor optical flow methods for synthetic and real panning and zooming image sequences. We show that optica...
John L. Barron, Reinhard Klette