نتایج جستجو برای: interpolated dft

تعداد نتایج: 23852  

1998
T. Sreenuch A. Tsourdos B. A. White

The paper presents the lateral acceleration control design of non-linear missile model using a multiobjective evolutionary optimisation method (NSGA-II like). The controller design for the uncertain plants is carried out by minimising gain and phase margins and tracking performance objectives of the corresponding vertices. Pareto surfaces are used to identify a feasible control structure and an...

2010
James D. Baker Walter E. Organist Arthur Marcus Douwe B. Yntema

This study was designed to discover whether query and message items are equivalent in their effect on short-term memory in situations where a person is required to process a sequence of messages while concurrently processing queries about them. It was assumed that recall is consistently degraded as the number of items interpolated between a message and its subsequent query increases. It was hyp...

2010
T.-S. Wang K.-S. Choi H.-S. Jang S.-J. Ko

In motion compensated frame interpolation (MCFI), an interpolated frame is produced by placing objects according to their motion estimated between two neighbouring frames. However, multiple motion vectors associated with the background (BG) and foreground (FG) objects can pass through a single location in the interpolated frame. In such motion ambiguity (MA) regions, annoying artefacts can be i...

Journal: :Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2012
Jin-Kyu Gahm Nicholas Wisniewski Gordon L. Kindlmann Geoffrey L. Kung William S. Klug Alan Garfinkel Daniel B. Ennis

PURPOSE Various methods exist for interpolating diffusion tensor fields, but none of them linearly interpolate tensor shape attributes. Linear interpolation is expected not to introduce spurious changes in tensor shape. METHODS Herein we define a new linear invariant (LI) tensor interpolation method that linearly interpolates components of tensor shape (tensor invariants) and recapitulates th...

2005
Suwit Pulthasthan Hemanshu R. Pota

This paper demonstrates a practical way for system identification using subspace and cubic spline methods to minimize the task of obtaining models using experimental frequency responses for a large number of sensor-actuator locations. These models are basically required in varied combinations for optimal actuatorsensor placement. Measuring at all the required positions is impractical and analyt...

1998
Eric Sven Ristad Robert G. Thomas

We describe a simple variant of the interpolated Markov model with nonemitting state transitions and prove that it is strictly more powerful than any Markov model. More importantly, the non-emitting model outperforms the classic interpolated model on the natural language texts under a wide range of experimental conditions, with only a modest increase in computational requirements. The non-emitt...

Journal: :J. Sci. Comput. 2008
Zhiguang Xiong Yanping Chen

In this paper we extend the idea of interpolated coefficients for semilinear problems to the finite volume element method based on rectangular partition. At first we introduce bilinear finite volume element method with interpolated coefficients for a boundary value problem of semilinear elliptic equation. Next we derive convergence estimate in H 1-norm and superconvergence of derivative. Finall...

1998
Eric Sven Ristad Robert G. Thomas

We describe a simple variant of the interpolated Markov model with nonemitting state transitions and prove that it is strictly more powerful than any Markov model. More importantly, the non-emitting model outperforms the classic interpolated model on natural language texts under a wide range of experimental conditions, with only a modest increase in computational requirements. The non-emitting ...

2014
Neha Tripathi

This paper presents a resolution method for enhancing digital gray images. The proposed enhancement technique is based on the interpolation of the high frequency sub-bands obtained by DWT and SWT. The proposed technique uses DWT to decompose an image into different sub-bands, and then the high frequency sub-band images have been interpolated. The interpolated high frequency sub-band coefficient...

2001
Justin A. Borgstadt Nicola J. Ferrier

In order to successfully perform visual servoing of robot manipulators the control algorithm must account for the physical limitations of the manipulator. These constraints de ne the robot workspace boundary. Any visual servoing control algorithm must avoid this boundary if stability of motion is to be ensured. In this paper, a method is developed by which a desired object path can be interpola...

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