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El-Rifai
Khalid El-Rifai, Cairo EG
| Patent application number | Description | Published |
|---|---|---|
| 20100246893 | Method and Apparatus for Nonlinear Dynamic Estimation of Feature Depth Using Calibrated Moving Cameras - A method apparatus estimates depths of features observed in a sequence of images acquired of a scene by a moving camera by first locating features, estimating coordinates of the features and generating a sequence of perspective feature image. A set of differential equations are applied to the sequence of perspective feature images to form a nonlinear dynamic state estimator for the depths using only a vector of linear and angular velocities of the camera and the focal length of the camera. The camera can be mounted on a robot manipulator end effector. The velocity of the camera is determined by robot joint encoder measurements and known robot kinematics. An acceleration of the camera is obtained by differentiating the velocity and the acceleration is combined with other signals. | 09-30-2010 |
Osamah El-Rifai, Mohandiseeen EG
| Patent application number | Description | Published |
|---|---|---|
| 20110038022 | Method and Apparatus for Stabilizing Galvanometer Scanner - A galvanometer scanner includes a mechanical support unit engaged with a far end of an optical element. A near end of the optical element is connected to an output shaft of an electric rotary motor. The mechanical support unit maintains an alignment of an axis of rotation of the optical element and an axis of rotation of the electric rotary motor. | 02-17-2011 |
Osamah El-Rifai, Cambridge, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20100185304 | Method and Apparatus for Hybrid Resetting States Proportional-Integral-Derivative and Lag Controllers - A controller includes a feedforward module to produce a feedforward component az | 07-22-2010 |
Wael El-Rifai, Brentwood, TN US
| Patent application number | Description | Published |
|---|---|---|
| 20090263396 | INHIBITORS OF T-DARPP FOR USE IN COMBINATION ANTI-CANCER THERAPIES - The present invention relates to an improved anti-HER2/Neu therapy comprising co-administration of an inhibitor of t-DARPP activity. In addition, inhibitors of t-DARPP can act as a monotherapy against cancers that express elevated t-DARPP activity, including elevated t-DARPP levels, or in combination with chemo- or radiotherapeutic anti-cancer treatments drugs. | 10-22-2009 |