Class

MPSImageLaplacian

An optimized Laplacian filter, provided for ease of use.

Declaration

@interface MPSImageLaplacian : MPSUnaryImageKernel

Overview

This filter uses an optimized convolution filter with a 3x3 kernel with the following weights:

Topics

Properties

bias

The value added to a convolved pixel before it is converted back to its intended storage format.

Relationships

Inherits From

See Also

Convolution Image Filters

MPSImageConvolution

A filter that convolves an image with a given kernel of odd width and height.

MPSImageMedian

A filter that applies a median filter in a square region centered around each pixel in the source image.

MPSImageBox

A filter that convolves an image with a given kernel of odd width and height.

MPSImageTent

A filter that convolves an image with a tent filter.

MPSImageGaussianBlur

A filter that convolves an image with a Gaussian blur of a given sigma in both the x and y directions.

MPSImageGaussianPyramid

A filter that convolves an image with a Gaussian pyramid.

MPSImageSobel

A filter that convolves an image with the Sobel operator.

MPSImageLaplacianPyramid

A filter that convolves an image with a Laplacian filter.

MPSImageLaplacianPyramidAdd

A filter that convolves an image with an additive Laplacian pyramid.

MPSImageLaplacianPyramidSubtract

A filter that convolves an image with a subtractive Laplacian pyramid.

MPSImagePyramid

A base class for creating different kinds of pyramid images.