Image Processing Toolbox

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Index

A

adaptive filtering

analyzing images

intensity profiles

quadtree decomposition

area of binary images

averaging filter

B

binary image operations

connected-components labeling

lookup-table operations <1> <2>

morphological operations

converting from other types

object selection

perimeter determination

See also index entries for individual file formats

block processing

distinct blocks

sliding neighborhoods

BMP <1> <2> <3>

bit depths supported when reading

bit depths supported when saving

C

Canny edge detector

color

approximation <1> <2> <3>

color spaces

converting between <1> <2> <3> <4> <5> <6>

colormaps

plotting RGB values

rearranging colors

removing duplicate entries

column processing

reshaping blocks into columns

reshaping columns into blocks

connected-components labeling

conv2 <1> <2>

convn 47, 220 <1> <2>

convolution

convolution matrix

higher-dimensional

two-dimensional <1> <2>

correlation coefficient

cropping an image

D

data types

16-bit integers

converting between <1> <2> <3>

double-precision

dilation <1> <2>

discrete cosine transform

transform matrix

display techniques

adding a colorbar

displaying at true size

multiple images

texture mapping

distinct block operations

dithering <1> <2>

E

edge detection

enhancing images

intensity adjustment

erosion <1> <2>

Euclidean distance

F

fast Fourier transform

higher-dimensional

higher-dimensional inverse

two-dimensional

two-dimensional inverse

feature measurement

file formats <1> <2>

file size

files

reading image data from

writing image data to

filter design

frequency sampling method

frequency transformation method

windowing method <1> <2>

filters

Laplacian of Gaussian

order-statistic

predefined types

flood-fill operation

Fourier transform

higher-dimensional

higher-dimensional inverse

rearranging output

two-dimensional

two-dimensional inverse

frequency response

desired response matrix

frequency sampling method (filter design)

frequency transformation method (filter design)

G

Gaussian filter

geometric functions

getting preference values

graphics images

returning file information from

grayscale morphological operations

H

HDF <1> <2> <3>

appending to when saving (WriteMode)

bit depths supported when reading

bit depths supported when saving

parameters that can be set when saving

reading with special imread syntax

setting JPEG quality when saving

histogram equalization

HSV color space <1> <2>

I

im2uint16 115, <1> <2>

image area (binary images)

image types

images

converting to binary

data types <1> <2> <3>

displaying multiple images

file formats <1> <2>

getting data from axes

reading data from files

reducing number of colors

standard deviation

writing to files

imfinfo

returning file information

converting from intensity

converting from RGB

converting to intensity

converting to RGB

information

returning file information

intensity adjustment

intensity images

converting from indexed

converting from matrices

converting from RGB

converting to indexed

intensity profiles

J

JPEG files <1> <2> <3>

bit depths supported when reading

bit depths supported when saving

parameters that can be set when saving

JPEG quality

setting when writing a JPEG image

setting when writing an HDF image

L

Laplacian of Gaussian edge detector

Laplacian of Gaussian filter

linear filtering

lookup-table operations

M

masked filtering

matrices

converting to intensity images

McClellan transform

median filtering

minimum variance quantization

morphological operations

dilation <1> <2>

erosion <1> <2>

removing spur pixels

shrinking objects

skeletonizing objects

thickening objects

thinning objects

movies

creating from images

multiframe images

multilevel thresholding

N

neighborhoods

binary image operations

noise removal

salt and pepper noise

NTSC color space <1> <2>

O

object selection

order-statistic filtering

P

PCX <1> <2> <3>

bit depths supported when reading

bit depths supported when saving

perimeter determination

pixel values <1> <2>

plotting colormap values

PNG

bit depths supported when reading

bit depths supported when saving

parameters that can be set when saving

reading with special imread syntax

setting alpha channel when saving

setting background color when saving

setting chromaticities value when saving

setting gamma value when saving

setting resolution of when saving

setting significant bits when saving

setting transparency pixel value when writing

preferences

Prewitt edge detector

Q

quadtree decomposition

getting block values

setting block values

quantization

minimum variance quantization

uniform quantization

R

Radon transform

region of interest

selecting <1> <2>

resizing images

converting from indexed

converting to indexed

converting to intensity

Roberts edge detector

rotating an image

S

setting preference values

sliding neighborhood operations

Sobel edge detector

T

texture mapping

thresholding <1> <2>

TIFF <1> <2> <3>

bit depths supported when reading

bit depths supported when saving

parameters that can be set when saving

reading with special imread syntax

transforms

discrete cosine

Fourier <1> <2> <3>

inverse Fourier <1> <2>

transparency chunk

U

uint16 arrays

supported operations

uint8 arrays

supported operations

uniform quantization

W

windowing method (filter design) <1> <2>

X

XWD <1> <2> <3>

bit depths supported when reading

bit depths supported when saving

Y

YCbCr color space <1> <2>

Z

zero-cross edge detector

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