IMAGE SPL Directory

 

The IMAGE directory contains SPL functions useful in image processing applications. The following files are included:

 

BRIGHTEN

Brightens or darkens an image.

DCT2

Calculates the 2D Discrete Cosine Transform.

FFT2

Calculates the two-dimensional (2D) FFT of an array.

FFTP2

Calculates the 2D FFT of an array in polar form.

HISTEQ

Performs histogram equalization of an image.

IDCT2

Calculates the 2D Inverse Discrete Cosine Transform.

IFFT2

Calculates the 2D IFFT of an array.

IFFTP2

Calculates the 2D IFFT in polar form.

IMAGE24

Converts an image with a colormap to a 24 bit color image.

IMINTERP

Interpolates an image.

RGB2MONO

Converts an RGB image to an 8 bit monochrome image.

RGBIMAGE

Creates a 24 bit image from red, green and blue components.