average gradient


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average gradient

In sensitometry, a measure of the contrast of the film or film-screen system by determination of the slope of the sensitometric curve.
See also: gradient
References in periodicals archive ?
where MG and AG are the maximum gradient and the average gradient respectively, and w and h are the size of the image.
Because of the differences between IR and visible images, the improvement at average gradient and edge intensity is even more, 88.08% and 69.36%, respectively.
The average gradient reflects the variance of the gray value which could be used to evaluate the clarity of one image.
[V.sub.B], [V.sub.W], and [G.sub.A] are between- class variance, within-class variance, and average gradient, respectively.
As to the average gradient and contrast, the result of the proposed method is better than others and the obtained image is clearer.
The average gradient is 18-20 percent, depending on where you start the calculation.
Statistics show the gully thalweg average gradient was 7.411[degrees] with standard deviation of 2.000[degrees] and gully edge line average gradient was 13.103[degrees] with standard deviation of 4.631[degrees].
There is a 15.5-km ascent at an average gradient of 7.9 percent up to Port de Pailheres and, immediately after the descent, a 7.8-km climb to the finish at 8.2 percent.
The floor of this branch deepens rapidly (average gradient is up to 14 m/km): in one of the northernmost boreholes (No.
CYCLING: Mark Jones (Alf Jones cycles) won Rhyl CC's annual hill climb on Rhuallt Hill next to the A55, clocking five mins 27 secs for the 10% average gradient.
The 180.5-kilometre sixteenth stage from Mourenx-Pau took the peloton over the formidable Col d'Aubisque, which climbs 16.5km at an average gradient of seven per cent, and represented the last chance for the American's rivals to mount a serious challenge.
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