Convolution filters generate a pixel value by summing the pixel values in a neighborhood (the size of the neighborhood may be 3x3, 5x5, or 9 pixels horizontally or vertically) and then by adding a bias. To maintain brightness, the sum of values in the convolution kernel must sum to 1.0.

Namespace: MonoTouch.CoreImage
Assembly: monotouch (in monotouch.dll)
Assembly Versions: 0.0.0.0