Function Reference (Image Processing Toolbox)

Image Processing Toolbox

Image Input, Output, and Display

Image Display

colorbar
Display colorbar. (This is a MATLAB function.)

getimage
Get image data from axes

image
Create and display image object. (This is a MATLAB function. See the online MATLAB Function Reference for its reference page.)

imagesc
Scale data and display as image. (This is a MATLAB function. See the online MATLAB Function Reference for its reference page.)

immovie
Make movie from multiframe indexed image

imshow
Display image

montage
Display multiple image frames as rectangular montage

subimage
Display multiple images in single figure

truesize
Adjust display size of image

warp
Display image as texture-mapped surface

zoom
Zoom in and out of image or 2-D plot. (This is a MATLAB function.)

Image File I/O

dicominfo
Read metadata from a DICOM message

dicomread
Read a DICOM image

dicomwrite
Write a DICOM image

imfinfo
Return information about image file. (This is a MATLAB function.)

imread
Read image file. (This is a MATLAB function.)

imwrite
Write image file. (This is a MATLAB function.)

Image Types and Type Conversions

dither
Convert image using dithering

double
Convert data to double precision. (This is a MATLAB function.)

gray2ind
Convert intensity image to indexed image

grayslice
Create indexed image from intensity image by thresholding

graythresh
Compute global image threshold using Otsu's method

im2bw
Convert image to binary image by thresholding

im2double
Convert image array to double precision

im2java
Convert image to instance of Java image object

im2uint16
Convert image array to 16-bit unsigned integers

im2uint8
Convert image array to 8-bit unsigned integers

ind2gray
Convert indexed image to intensity image

ind2rgb
Convert indexed image to RGB image

isbw
Return true for binary image

isgray
Return true for intensity image

isind
Return true for indexed image

isrgb
Return true for RGB image

label2rgb
Convert a label matrix to an RGB image

mat2gray
Convert matrix to intensity image

rgb2gray
Convert RGB image or colormap to grayscale

rgb2ind
Convert RGB image to indexed image

uint16
Convert data to unsigned 16-bit integers. (This is a MATLAB function.)

uint8
Convert data to unsigned 8-bit integers. (This is a MATLAB function.)

Function Reference Spatial Transformation and Registration

`colorbar`	Display colorbar. (This is a MATLAB function.)
`getimage`	Get image data from axes
`image`	Create and display image object. (This is a MATLAB function. See the online MATLAB Function Reference for its reference page.)
`imagesc`	Scale data and display as image. (This is a MATLAB function. See the online MATLAB Function Reference for its reference page.)
`immovie`	Make movie from multiframe indexed image
`imshow`	Display image
`montage`	Display multiple image frames as rectangular montage
`subimage`	Display multiple images in single figure
`truesize`	Adjust display size of image
`warp`	Display image as texture-mapped surface
`zoom`	Zoom in and out of image or 2-D plot. (This is a MATLAB function.)

`dicominfo`	Read metadata from a DICOM message
`dicomread`	Read a DICOM image
`dicomwrite`	Write a DICOM image
`imfinfo`	Return information about image file. (This is a MATLAB function.)
`imread`	Read image file. (This is a MATLAB function.)
`imwrite`	Write image file. (This is a MATLAB function.)

`dither`	Convert image using dithering
`double`	Convert data to double precision. (This is a MATLAB function.)
`gray2ind`	Convert intensity image to indexed image
`grayslice`	Create indexed image from intensity image by thresholding
`graythresh`	Compute global image threshold using Otsu's method
`im2bw`	Convert image to binary image by thresholding
`im2double`	Convert image array to double precision
`im2java`	Convert image to instance of Java image object
`im2uint16`	Convert image array to 16-bit unsigned integers
`im2uint8`	Convert image array to 8-bit unsigned integers
`ind2gray`	Convert indexed image to intensity image
`ind2rgb`	Convert indexed image to RGB image
`isbw`	Return true for binary image
`isgray`	Return true for intensity image
`isind`	Return true for indexed image
`isrgb`	Return true for RGB image
`label2rgb`	Convert a label matrix to an RGB image
`mat2gray`	Convert matrix to intensity image
`rgb2gray`	Convert RGB image or colormap to grayscale
`rgb2ind`	Convert RGB image to indexed image
`uint16`	Convert data to unsigned 16-bit integers. (This is a MATLAB function.)
`uint8`	Convert data to unsigned 8-bit integers. (This is a MATLAB function.)