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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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STV3550 Fiches technique(PDF) 30 Page - STMicroelectronics |
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STV3550 Fiches technique(HTML) 30 Page - STMicroelectronics |
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30 / 144 page  30/144 STV3550 Table 9 shows the relation between the gain parameter and the gain factor values. 3.3.6.1 Black Stretch The Black Stretch algorithm is used to decrease the black part under the average brightness point. The inflection point is based on the average brightness, but another value can be set by user. The range and gain parameters are used to set the correction slope value. This filter can be used when the overall picture is bright in order to improve the overall contrast. Figure 18 shows samples of the black stretch algorithm with an average brightness of 128 with various gain and range values. Table 9: Gain Factor Gain Parameter Gain Factor 00.500 10.750 20.825 31.000 41.125 51.500 61.750 72.000 Figure 18: Black Stretch |
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