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ICIP
1994
IEEE
16 years 7 months ago
Discrete-Cosine/Sine-Transform Based Motion Estimation
A new motion estimation scheme, Discrete-Cosine/SineTransform Based Motion Estimation (DXT-ME) utilizing the principle of orthogonality of cosine and sine functions to estimate, i...
Ut-Va Koc, K. J. Ray Liu
ICPR
2008
IEEE
16 years 7 months ago
Action recognition based on homography constraints
In this paper, we present a new approach for viewinvariant action recognition using constraints derived from the eigenvalues of planar homographies associated with triplets of bod...
Hassan Foroosh, Nazim Ashraf, Yuping Shen
ISBI
2004
IEEE
16 years 7 months ago
A Novel Closed Form Solution for Ultrasound Calibration
This paper describes a new robust method for calibration of ultrasound probe (2D/3D). Prior to calibration, a position sensor is attached to the probe for tagging each image/volum...
Emad Boctor, Anand Viswanathan, Michael A. Choti, ...
ISBI
2006
IEEE
16 years 7 months ago
Joint estimation in MRI using harmonic retrieval methods
One of the key factors affecting functional MRI image reconstruction is field inhomogeneity. It is desirable to estimate both the distortion-free MRI image and field map simultane...
Hien M. Nguyen, Robert L. Morrison Jr., Bradley P....
CHI
2007
ACM
16 years 6 months ago
Supporting multi-point interaction in visual workspaces
Multi-point interaction tasks involve the manipulation of several mutually-dependent control points in a visual workspace ? for example, adjusting a selection rectangle in a drawi...
Garth Shoemaker, Carl Gutwin