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1. www.php.net › imagickPHP: Imagick::sigmoidalContrastImage - Manual

   www.php.net › imagick

   Adjusts the contrast of an image with a non-linear sigmoidal contrast algorithm. Increase the contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. Contrast indicates how much to increase the contrast (0 is none; 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in the resultant image (0 is white; 50 is middle-gray; 100 is ...

2. www.phpimagick.com › Imagick › sigmoidalContrastImagePHP Imagick - sigmoidalContrastImage

   www.phpimagick.com › Imagick › sigmoidalContrastImage

   Imagick::sigmoidalContrastImage ← shearImage sketchImage → See also ImageMagick v6 Examples - Image Transformations — Sigmoidal Non-linearity Contrast Adjusts the contrast of an image with a non-linear sigmoidal contrast algorithm. Increase the contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. Contrast indicates how much to increase the ...

3. php.joaquinfernandez.net › en › imagickImagick::sigmoidalContrastImage - PHP Manual

   php.joaquinfernandez.net › en › imagick

   PHP Manual (PECL imagick 2.0.0) Imagick::sigmoidalContrastImage — Adjusts the contrast of an image

4. mirror.math.princeton.edu › pub › phpImagick::sigmoidalContrastImage

   mirror.math.princeton.edu › pub › php

   Adjusts the contrast of an image with a non-linear sigmoidal contrast algorithm. Increase the contrast of the image using a sigmoidal transfer function without saturating highlights or shadows. Contrast indicates how much to increase the contrast (0 is none; 3 is typical; 20 is pushing it); mid-point indicates where midtones fall in the resultant image (0 is white; 50 is middle-gray; 100 is ...

5. www.creationdev.net › imagick › sigmoidalcontrastimagemethode-imagick::sigmoidalcontrastimage.php

   www.creationdev.net › imagick › sigmoidalcontrastimage

   Imagick::sigmoidalcontrastimage 26 déc. 2018 18 fois (PECL imagick 2, PECL imagick 3) Imagick::sigmoidalContrastImage — Ajuste le contraste de l'image

6. www.appframework.org › php_manual_en › imagickAdjusts the contrast of an image - appframework.org

   www.appframework.org › php_manual_en › imagick

   Imagick::sigmoidalContrastImage (PECL imagick 2.0.0) Imagick::sigmoidalContrastImage — Adjusts the contrast of an image

7. www.cs.umsl.edu › ~schulte › cs3010Adjusts the contrast of an image

   www.cs.umsl.edu › ~schulte › cs3010

   Example #1 Create a gradient image using Imagick::sigmoidalContrastImage () suitable for blending two images together smoothly, with the blending defined by $contrast and $the midpoint