Time Difference Estimation with Sub-sample Interpolation

Sub-optimal Estimation of HIV Time-delay Model using State-Dependent Impulsive Observer with Time-varying Impulse Interval: Application to Continuous-time and Impulsive Inputs

Human Immunodeficiency Virus (HIV) weakens the immune system in confronting various diseases by attacking to CD4+T cells. In modeling HIV behavior, the number of CD4+T cells is considered as the output. But, continuous-time measurement of these cells is not possible in practice, and the measurement is only available at variable intervals that are several times bigger than sampling time. In this...

Optimal Sample Time Selections for Interpolation and Smoothing

A solution is presented to the problem of selecting sample points in an optimal fashion. These points are used for interpolation and smoothing procedures, and, in particular, we derive necessary optimality conditions for the sample points. An example is presented concerning generalized smoothing splines that illustrate the generality as well as the numerical feasibility of the proposed approach...

Sample Size Calculation and Power Analysis of Time-Averaged Difference

Analysis of the interpolation techniques for time-of-flight estimation

The interpolation techniques for the time-of-flight estimation have been under study. The ToF estimation was done using the direct correlation technique of the sampled signal. More accurate estimation was done using interpolation between the samples. Three interpolation techniques for discrete direct correlation are discussed: linear interpolation of zero crossing, imaginary part of direct corr...

Sheared Interpolation and Gradient Estimation for Real-Time Volume Rendering

In this paper we present a technique for the interactive control and display of static and dynamic 3D datasets. We describe novel ways of tri-linear interpolation and gradient estimation for a real-time volume rendering system, using coherency between rays. We show simulation results that compare the proposed methods to traditional algorithms and present them in the context of Cube-3, a special...