Sentence examples for contrast formulae from inspiring English sources

In contrast, formulae based on the arithmetic mean, the median or the maximum of the distance values contained in the reduced matrix do not have this property.

In this article, the Weber contrast formula is utilized to derive the condition of local image contrast preservation.

The Weber contrast formula (1) is normally used to measure the contrast of a target against its background [18]: C=frac{L_t-{L}_b}{L_b} (1).

The Weber contrast formula is then given by [20] Contras t Weber ( x, y ) = I avg - 1 ( x, y ) [ I in ( x, y ) - I avg ( x, y ) ], (1).

Since human vision is very sensitive to spatial frequency, the visual quality of an image highly depends on the local image contrast which is commonly defined by using Michelson or Weber contrast formula [20].

To solve this, a redefined contrast formula (Eqs. 2 and 3) is introduced in which contrast is equal to an absolute value of the difference between target and background luminance divided by the larger of the two luminances.

In contrast, formula HLXL (100 µg/ml) did not extend mean life span significantly (mean life span 20.7 days, p = 0.1364, total worms 139, Table 4).

The application of the contrast formula normalized the scale and allowed us to compare the anxiety-like behavior between groups with distinct patterns of locomotor activity, measuring possible differences more accurately.

The contrast between the black and white checks was calculated with the Michelson contrast formula [ 11].

In contrast, formula fed infants in the probiotic group cried or fussed an adjusted mean of 78 minutes more (95% confidence interval 25 to 132, P=0.005, n=71), and infants aged 6 weeks or less in the probiotic group cried or fussed an adjusted mean of 88 minutes more (16 to 160, P=0.02, n=50) than corresponding infants in the placebo group.

By contrast, the formula for "42nd Street" never quite worked.