Sentence examples for average background count from inspiring English sources

The statistical error is given by the ratio between the signal count rate S and the statistical noise level, where Nbg is the average background count level per bin detected out of the signal time window.

This average background count rate was subtracted from the tumor peak count rate to obtain the net tumor uptake.

Number of iterations for determining the average background counts.

The background threshold value is set to be: average background counts + standard deviation of background counts * sigma_factor.

The average background counts will be the last calculated average number of counts, and the standard deviation of background counts will be the last calculated standard deviation.

The average number of counts obtained in step 3) will be considered as the average background counts, while the standard deviation obtained in step 4) will be considered as the standard deviation of the background counts.

To determine the average background counts, we manually drew ROIs on all views.

The average background counts in the phantom were then converted to an equivalent patient acquisition time by using the fact that after an 8-min acquisition, the average patient has 120 counts/pixel in the background.

The average background revertant count (DMSO) was ∼25/plate for both assays.

Average background corrected counts derived from the femoral neck and inter--trochanteric ROIs were calculated and expressed as a ratio to the background corrected counts from the mid femur region.

Using an acceptable signal-to-noise ratio of 2 1 or 3 1 and choosing as the noise the median of the average background spot counts (50th percentile in Fig.  3), we estimate a typical detection limit for the ELISPOT assay to be 4 sPBMCs100,000 PBMCs or 6 sPBMCs100,000 PBMCs, respectively.