Image Processing

 

BRIGHTEN

Brighten or darken an image

CONV2D

2D convolution in the time domain

DCT2

Calculate the 2D Discrete Cosine Transform

DENSITY

Display multi-column data as an image

FCONV2D

2D convolution in the frequency domain

FFT2

Calculate the 2D FFT of an array

FFTP2

Calculate the 2D FFT of an array in polar (magnitude-phase) form

GETCOLORMAP

Return the current image shading colormap

GETRGB

Return the separate red, green and blue components of an image

HISTEQ

Perform histogram equalization of an image

IDCT2

Calculate the 2D Inverse Discrete Cosine Transform

IFFT2

Calculate the 2D inverse FFT of an array

IFFTP2

Calculate the 2D  inverse FFT in polar (magnitude - phase) form

IMAGE24

Convert an image with a colormap to a 24 bit RGB color image

IMCONV

Image convolution with RGB processing

IMINTERP

Interpolate an image

INTERP2

Perform 2D linear interpolation

MAXFILT

Perform 2D maximum filtering

MEDFILT

Perform 2D median filtering

MINFILT

Perform 2D minimum filtering

NONLIN2D

Min, Max or Mean image filtering

READBMP

Read a BMP image file

READIMAGE

Read a BMP, GIF or JPEG image file

RGB2MONO

Convert a 24 bit RGB image to 8 bit monochrome

RGBIMAGE

Create a 24 bit RGB image from red, green and blue components

SETCOLORMAP

Set the image shading colormap

SOBEL

2D Sobel edge detection

SPLINE2

Perform two-dimensional cubic spline fitting