Sentence examples for mean gray intensity from inspiring English sources

I t ( i, j ) is the mean gray intensity level estimated at particle position (i, j) at time t, and Z t ( i, j ) is the measured mean gray level intensity value at position (i, j) at time t.

The contrast is considered to be optimal if the foreground mean gray intensity is 50 to 80% of the background mean gray intensity.

However, greatly underexposed images (blankfield image mean gray intensity <200) as well as overly overexposed images (blankfield image mean gray intensity >250) may cause false labeling indexes.

For accurate nuclei segmentation, the image contrast must be relatively high; the foreground mean gray intensity should be 50 to 80% of the background mean gray intensity.

The contrast analysis segments the hematoxylin-stained cells (foreground) and analyzes their mean gray intensity, which is then divided by the background mean gray intensity.

To quantify the invasion for each spot, the mean gray intensity of the spot and surrounding background were calculated in ImageJ.

Typical parameters derived from the histogram analysis include the kurtosis, skewness, and standard deviation of the pixel distribution histogram, mean gray level intensity, entropy, and uniformity.

The gray value profile obtained was normalized against the mean gray value intensity in the two light blue squares/boxes shown in Figure  4A.

After treatment for 7 days, the mean gray scale intensity of the control and the treated tumors in conventional B-mode ultrasound images was 15.40 ± 3.86 units and 19.00 ± 1.25 units, respectively.

Quantitation of the EB red fluorescence emission, measured as the intensity per area unit (mean gray value: averaged intensity per pixel), was done in the whole striatum and parietal cortex of vehicle- and GA-injected animals by using the Image J software (NIH, USA).

The selected mean value of gray intensity is 127, between the minimum 0 and maximum 255 of each pixel.