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ICPR
2004
IEEE
16 years 7 months ago
Reconstruction of Medical Images by Perspective Shape-from-Shading
Shape-from-Shading (SfS) is a fundamental problem in Computer Vision; it is based upon the image irradiance equation. Recently, the authors proposed to solve the image irradiance ...
Ariel Tankus, Nir A. Sochen, Yehezkel Yeshurun
ICPR
2000
IEEE
16 years 7 months ago
Robust Fitting of Implicit Polynomials with Quantized Coefficients to 2D Data
This work presents a new approach to contour representation and coding. It consists of an improved fitting of high-degree (4th to 18th ) implicit polynomials (IPs) to the contour,...
Amir Helzer, Meir Barzohar, David Malah
ICML
2007
IEEE
16 years 7 months ago
Best of both: a hybridized centroid-medoid clustering heuristic
Although each iteration of the popular kMeans clustering heuristic scales well to larger problem sizes, it often requires an unacceptably-high number of iterations to converge to ...
Nizar Grira, Michael E. Houle
ICML
2006
IEEE
16 years 7 months ago
Generalized spectral bounds for sparse LDA
We present a discrete spectral framework for the sparse or cardinality-constrained solution of a generalized Rayleigh quotient. This NPhard combinatorial optimization problem is c...
Baback Moghaddam, Yair Weiss, Shai Avidan
CHI
2007
ACM
16 years 7 months ago
SIG: capturing longitudinal usability: what really affects user performance over time?
In this Special Interest Group (SIG) the attendees will discuss methods for capturing usability data over time. Specifically, we will share industry best practices, brainstorm alt...
Misha W. Vaughan, Catherine Courage