Sentence examples for calculation of contrasts from inspiring English sources

For this analysis, the design matrix specified a coefficient for each unique treatment by sampling time combination (10 coefficients) and the contrast matrix specified the calculation of contrasts between the two T4 concentrations (5 and 50 nM) at each of the non-zero sampling times (Days: 2, 12, and 28).

Then, contrast-to noise ratio was obtained using the following formula: left({mathrm{Mean}}_{mathrm{myo}} - {mathrm{Mean}}_{mathrm{BG}}right)/mathrm{SQRT}left{{left({mathrm{SD}}_{mathrm{myo}}right)}^2 + {left({mathrm{SD}}_{mathrm{BG}}right)}^2right}, Figure 1 Examples of determination of regions of interest for calculation of contrast-to-noise ratio (upper) and sharpness index (lower).

In particular whole-chromosome case-control analysis and TDT analysis were performed with PLINK and visualized with R. The calculation of genetic contrasts and the logistic regression on single markers, markers' interaction analysis with logistic regression where performed according to Clayton as developed in the "DGCgenetics" package.

Since the method only relies on a standard optical microscope with a charge-coupled device (CCD) camera and simple calculation of the contrast from the optical images, the entire process of layer identification can be finished in a short time and with low cost, thus speeding up the exploration of the big family of two-dimensional atomic crystals.

First, a model framework for calculation of speckle contrast in the spatial frequency domain is presented.

4. Pre-evaluation: the T1 map calculation of pre-contrast data is a prerequisite for pharmacokinetic modeling.

For the calculation of orientation contrast, the Gaussian intensity images are convolved with Gabor filters in four different orientations.

The calculation of the contrast sum of squares has been conducted using a statistical package and the results are shown in Table 8.

System gain and scaling factors were maintained between acquisition of the proton density and T1-weighted dynamic series of images to enable the calculation of tissue contrast agent concentration (Parker et al, 1997).

This method is superior to the direct calculation of the contrast using Eq. (3) in that it is less affected by the shape of the illumination pattern and the local intensity variation due to the noise.

Tukey's HSD method was used for the calculation of post-hoc contrasts.