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 ?
grad] indicates average gradient, and F (i, j) is the gray-value at the position of (i, j), m and n represent the size of the image.
And the numbers here can be terrifying: average gradient 7.
3-mile climb with an almost ten per cent average gradient, with O'Neill catching his two-minute man and clocking a time of 8.
2004 marked the first time that the L'Alpe d'Huez climb was a time trial, forcing the riders to attack a steep average gradient of eight percent for over 40 minutes.
But the 25-year old former National Hill Climb Champion headed up to Yorkshire to tackle the infamous Holme Moss with an average gradient of ten per cent over 1.
Although the trio are driving to France, once in the Alps they will unload their bicycles from the car roof rack and set up camp at the base of the 20-kilometre climb which has an average gradient of one in 12.
Average gradients for both the Standard Education and Reversed Education groups showed shifting away from their respective S-.
The differences between spontaneous ventilation and the controlled ventilation accomplished by positive airway pressure relate both to the average gradients of pressure developed during the tidal cycle and to their regional distributions across the lungs and chest wall.
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