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Image Processing Toolbox 함수 - 범주별 정렬

사전순 정렬 범주별 정렬

가져오기와 내보내기 및 변환

파일에서 영상 데이터 읽기 및 쓰기

imread그래픽스 파일에서 이미지 읽기
imwrite그래픽스 파일에 이미지 쓰기
imfinfo그래픽스 파일에 대한 정보
dicominfoRead metadata from DICOM message
dicomreadDICOM 영상 읽어 들이기
dicomwriteWrite images as DICOM files
dicomreadVolumeConstruct volume from directory of DICOM images
dicomCollectionGather details about related series of DICOM files
dicomanonAnonymize DICOM file
dicomdictGet or set active DICOM data dictionary
dicomdisp Display DICOM file structure
dicomlookupFind attribute in DICOM data dictionary
dicomuidGenerate DICOM unique identifier
images.dicom.decodeUIDGet information about DICOM unique identifier
images.dicom.parseDICOMDIRExtract metadata from DICOMDIR file
niftiinfoRead metadata from NIfTI file
niftiwriteWrite volume to file using NIfTI format
niftireadRead NIfTI image
analyze75infoRead metadata from header file of Analyze 7.5 data set
analyze75readRead image data from image file of Analyze 7.5 data set
interfileinfoRead metadata from Interfile file
interfilereadRead images in Interfile format
nitfinfoRead metadata from National Imagery Transmission Format (NITF) file
nitfreadRead image from NITF file
isnitfCheck if file is National Imagery Transmission Format (NITF) file
dpxinfoRead metadata from DPX file
dpxreadRead DPX image

HDR(높은 동적 범위) 영상

hdrreadRead high dynamic range (HDR) image
hdrwriteWrite high dynamic range (HDR) image file
makehdrCreate high dynamic range image
tonemapRender high dynamic range image for viewing
blendexposureCreate well-exposed image from images with different exposures

대용량 영상 파일

isrsetCheck if file is R-Set
openrsetOpen R-Set file
rsetwriteCreate reduced resolution data set from image file
imtoolOpen Image Viewer app
blockprocDistinct block processing for image
ImageAdapterInterface for image I/O

영상 유형 변환

gray2indConvert grayscale or binary image to indexed image
ind2grayConvert indexed image to grayscale image
mat2gray행렬을 회색조 영상으로 변환
rgb2grayRGB 이미지나 컬러맵을 회색조로 변환하기
rgb2indRGB 이미지를 인덱스 이미지로 변환
ind2rgbConvert indexed image to RGB image
label2rgbConvert label matrix into RGB image
demosaicConvert Bayer pattern encoded image to truecolor image
imbinarize임계값을 지정하여 2차원 회색조 영상이나 3차원 볼륨 이진화
imquantizeQuantize image using specified quantization levels and output values
multithresh Multilevel image thresholds using Otsu’s method
adaptthreshAdaptive image threshold using local first-order statistics
otsuthreshGlobal histogram threshold using Otsu's method
graythresh오츠(Otsu) 방법을 사용한 전역 영상 이진화
graysliceConvert grayscale image to indexed image using multilevel thresholding
im2double이미지를 배정밀도로 변환
im2int16Convert image to 16-bit signed integers
im2java2dConvert image to Java buffered image
im2singleConvert image to single precision
im2uint16Convert image to 16-bit unsigned integers
im2uint8영상을 8비트의 부호 없는 정수로 변환

rgb2labConvert RGB to CIE 1976 L*a*b*
rgb2ntscConvert RGB color values to NTSC color space
rgb2xyzConvert RGB to CIE 1931 XYZ
rgb2ycbcrConvert RGB color values to YCbCr color space
lab2rgbConvert CIE 1976 L*a*b* to RGB
lab2xyzConvert CIE 1976 L*a*b* to CIE 1931 XYZ
xyz2labConvert CIE 1931 XYZ to CIE 1976 L*a*b*
xyz2rgbConvert CIE 1931 XYZ to RGB
ycbcr2rgbConvert YCbCr color values to RGB color space
ntsc2rgbConvert NTSC values to RGB color space
colorcloudDisplay 3-D color gamut as point cloud in specified color space
lab2doubleConvert L*a*b* data to double
lab2uint16Convert L*a*b* data to uint16
lab2uint8Convert L*a*b* data to uint8
xyz2doubleConvert XYZ color values to double
xyz2uint16Convert XYZ color values to uint16
iccfindSearch for ICC profiles
iccreadRead ICC profile
iccrootFind system default ICC profile repository
iccwriteWrite ICC color profile to disk file
isiccTrue for valid ICC color profile
makecformCreate color transformation structure
applycformApply device-independent color space transformation
imapprox색의 수 감소를 통한 인덱스 이미지 근사
chromadaptAdjust color balance of RGB image with chromatic adaptation
colorangleAngle between two RGB vectors
illumgrayEstimate illuminant using gray world algorithm
illumpcaEstimate illuminant using principal component analysis (PCA)
illumwhiteEstimate illuminant using White Patch Retinex algorithm
lin2rgbApply gamma correction to linear RGB values
rgb2linLinearize gamma-corrected RGB values
whitepointXYZ color values of standard illuminants

합성 영상

checkerboardCreate checkerboard image
phantomCreate head phantom image
imnoise영상에 잡음 추가

표시 및 탐색

기본적인 표시

imshow영상 표시
imfuse두 영상 합성
imshowpair두 영상의 차이 비교
montageDisplay multiple image frames as rectangular montage
immovieMake movie from multiframe image
implayPlay movies, videos, or image sequences
warpDisplay image as texture-mapped surface
iptgetprefGet values of Image Processing Toolbox preferences
iptprefsDisplay Image Processing Toolbox Preferences dialog box
iptsetprefSet Image Processing Toolbox preferences or display valid values

영상 뷰어 앱을 사용한 대화형 방식 탐색

imtoolOpen Image Viewer app
imageinfoImage Information tool
imcontrastAdjust Contrast tool
imdisplayrangeDisplay Range tool
imdistlineDistance tool
impixelinfoPixel Information tool
impixelinfovalPixel Information tool without text label
impixelregionPixel Region tool
immagboxMagnification box for scroll panel
imoverviewOverview tool for image displayed in scroll panel
iptgetprefGet values of Image Processing Toolbox preferences
iptprefsDisplay Image Processing Toolbox Preferences dialog box
iptsetprefSet Image Processing Toolbox preferences or display valid values

볼륨 뷰어 앱을 사용한 대화형 방식의 볼륨 데이터 탐색

iptgetprefGet values of Image Processing Toolbox preferences
iptprefsDisplay Image Processing Toolbox Preferences dialog box
iptsetprefSet Image Processing Toolbox preferences or display valid values

대화형 방식 툴 작성하기

imageinfoImage Information tool
imcolormaptoolChoose Colormap tool
imcontrastAdjust Contrast tool
imcrop영상 자르기
imdisplayrangeDisplay Range tool
imdistlineDistance tool
impixelinfoPixel Information tool
impixelinfovalPixel Information tool without text label
impixelregionPixel Region tool
impixelregionpanelPixel Region tool panel
immagboxMagnification box for scroll panel
imoverviewOverview tool for image displayed in scroll panel
imoverviewpanelOverview tool panel for image displayed in scroll panel
imsaveSave Image Tool
imscrollpanelScroll panel for interactive image navigation
imellipseCreate draggable ellipse
imfreehandCreate draggable freehand region
imlineCreate draggable, resizable line
impointCreate draggable point
impolyCreate draggable, resizable polygon
imrectCreate draggable rectangle
imroiRegion-of-interest (ROI) base class
getlineSelect polyline with mouse
getptsSpecify points with mouse
getrectSpecify rectangle with mouse
getimageImage data from axes
getimagemodelImage model object from image object
imagemodelImage Model object
axes2pixConvert axes coordinates to pixel coordinates
imattributesInformation about image attributes
imgcaGet current axes containing image
imgcfGet current figure containing image
imgetfileDisplay Open Image dialog box
imputfileDisplay Save Image dialog box
imhandlesGet all image objects
iptaddcallbackAdd function handle to callback list
iptcheckhandleCheck validity of handle
iptgetapiGet Application Programmer Interface (API) for handle
iptGetPointerBehaviorRetrieve pointer behavior from graphics object
ipticondirDirectories containing IPT and MATLAB icons
iptPointerManagerCreate pointer manager in figure
iptremovecallbackDelete function handle from callback list
iptSetPointerBehaviorStore pointer behavior structure in graphics object
iptwindowalignAlign figure windows
makeConstrainToRectFcnCreate rectangularly bounded drag constraint function
truesizeAdjust display size of image

기하 변환과 영상 정합

단순한 기하 변환

imcrop영상 자르기
imresize영상 크기 조정
imresize3Resize 3-D volumetric intensity image
imrotate영상 회전
imrotate3Rotate 3-D volumetric grayscale image
imtranslateTranslate image
impyramidImage pyramid reduction and expansion

일반적인 기하 변환

imwarp영상에 기하 변환 적용
findboundsFind output bounds for spatial transformation
fliptformFlip input and output roles of spatial transformation structure
makeresamplerCreate resampling structure
maketformCreate spatial transformation structure (TFORM)
tformarrayApply spatial transformation to N-D array
tformfwdApply forward spatial transformation
tforminvApply inverse spatial transformation
WarperApply same geometric transformation to many images efficiently
imref2d Reference 2-D image to world coordinates
imref3d Reference 3-D image to world coordinates
affine2d2-D affine geometric transformation
affine3d 3-D affine geometric transformation
projective2d 2-D projective geometric transformation
PiecewiseLinearTransformation2D2-D piecewise linear geometric transformation
PolynomialTransformation2D2-D polynomial geometric transformation
LocalWeightedMeanTransformation2D2-D local weighted mean geometric transformation

영상 정합

imregisterIntensity-based image registration
imregconfigConfigurations for intensity-based registration
imregtform Estimate geometric transformation that aligns two 2-D or 3-D images
imregcorrEstimate geometric transformation that aligns two 2-D images using phase correlation
imregdemonsEstimate displacement field that aligns two 2-D or 3-D images
imregmtbRegister 2-D images using median threshold bitmaps
cpselect Control Point Selection tool
fitgeotransFit geometric transformation to control point pairs
cpcorrTune control point locations using cross-correlation
cpstruct2pairsExtract valid control point pairs from cpstruct structure
imwarp영상에 기하 변환 적용
normxcorr2정규화된 2차원 상호상관
MattesMutualInformationMattes mutual information metric configuration
MeanSquaresMean square error metric configuration
RegularStepGradientDescentRegular step gradient descent optimizer configuration
OnePlusOneEvolutionaryOne-plus-one evolutionary optimizer configuration
imref2d Reference 2-D image to world coordinates
imref3d Reference 3-D image to world coordinates
affine2d2-D affine geometric transformation
affine3d 3-D affine geometric transformation
projective2d 2-D projective geometric transformation
PiecewiseLinearTransformation2D2-D piecewise linear geometric transformation
PolynomialTransformation2D2-D polynomial geometric transformation
LocalWeightedMeanTransformation2D2-D local weighted mean geometric transformation

영상 필터링 및 향상

영상 필터링

imfilter다차원 영상의 N차원 필터링
fspecial미리 정의된 2차원 필터 생성
roifilt2Filter region of interest (ROI) in image
nlfilterGeneral sliding-neighborhood operations
imgaussfilt영상에 대한 2차원 가우스 필터링
imgaussfilt33-D Gaussian filtering of 3-D images
ex_ko_5112942522-D adaptive noise-removal filtering
medfilt22차원 중앙값 필터 적용
medfilt33-D median filtering
ordfilt22-D order-statistic filtering
stdfiltLocal standard deviation of image
rangefiltLocal range of image
entropyfiltLocal entropy of grayscale image
imboxfilt2-D box filtering of images
imboxfilt33-D box filtering of 3-D images
fibermetricEnhance elongated or tubular structures in image
convmtx22-D convolution matrix
padarray배열 채우기
imbilatfiltBilateral filtering of images with Gaussian kernels
imdiffuseestEstimate parameters for anisotropic diffusion filtering
imdiffusefiltAnisotropic diffusion filtering of images
imguidedfilterGuided filtering of images
gaborCreate Gabor filter or Gabor filter bank
imgaborfilt Apply Gabor filter or set of filters to 2-D image
bwareafiltExtract objects from binary image by size
bwpropfiltExtract objects from binary image using properties
integralImageCalculate integral image
integralImage3Calculate 3-D integral image
integralBoxFilter2-D box filtering of integral images
integralBoxFilter33-D box filtering of 3-D integral images
freqspace주파수 응답(Frequency Response)에 대한 주파수 간격(Frequency Space)
freqz22-D frequency response
fsamp22-D FIR filter using frequency sampling
ftrans22-D FIR filter using frequency transformation
fwind12-D FIR filter using 1-D window method
fwind22-D FIR filter using 2-D window method

대비 조정

imadjust영상 명암 값 또는 컬러맵 조정
imadjustnAdjust intensity values in N-D volumetric image
imcontrastAdjust Contrast tool
imsharpen비선명 마스크(unsharp mask)를 적용하여 영상을 선명하게 만들기
imreducehazeReduce atmospheric haze
locallapfiltFast local Laplacian filtering of images
localcontrastEdge-aware local contrast manipulation of images
localtonemapRender HDR image for viewing while enhancing local contrast
histeq히스토그램 평활화를 사용하여 대비 향상
adapthisteqContrast-limited adaptive histogram equalization (CLAHE)
imhistmatchAdjust histogram of 2-D image to match histogram of reference image
imhistmatchnAdjust histogram of N-D image to match histogram of reference image
decorrstretchApply decorrelation stretch to multichannel image
stretchlimFind limits to contrast stretch image
intlutConvert integer values using lookup table
imnoise영상에 잡음 추가

모폴로지 연산

bwhitmissBinary hit-miss operation
bwmorph이진 영상에 대한 모폴로지 연산
bwmorph3Morphological operations on binary volume
bwskelReduce all objects to lines in 2-D binary image or 3-D binary volume
bwulterodeUltimate erosion
bwareaopen이진 영상에서 크기가 작은 객체 제거
imbothatBottom-hat filtering
imclearborderSuppress light structures connected to image border
imclose영상에 모폴로지 닫기 연산 수행
imdilate영상 팽창
imerode영상 침식
imextendedmaxExtended-maxima transform
imextendedminExtended-minima transform
imfill영상 영역과 구멍 채우기
imhmaxH-maxima transform
imhminH-minima transform
imimposeminImpose minima
imopenMorphologically open image
imreconstructMorphological reconstruction
imregionalmaxRegional maxima
imregionalminRegional minima
imtophatTop-hat filtering
watershedWatershed transform
conndefCreate connectivity array
iptcheckconnCheck validity of connectivity argument
applylutNeighborhood operations on binary images using lookup tables
bwlookup Nonlinear filtering using lookup tables
makelutCreate lookup table for use with bwlookup
strel모폴로지 구조 요소
offsetstrelMorphological offset structuring element

디블러 처리

deconvblindDeblur image using blind deconvolution
deconvlucyDeblur image using Lucy-Richardson method
deconvregDeblur image using regularized filter
deconvwnrDeblur image using Wiener filter
edgetaperTaper discontinuities along image edges
otf2psfConvert optical transfer function to point-spread function
psf2otfConvert point-spread function to optical transfer function
padarray배열 채우기

ROI 기반 처리

roipoly다각형 관심 영역(ROI) 지정
poly2maskConvert region of interest (ROI) polygon to region mask
regionfillFill in specified regions in image using inward interpolation
roicolorSelect region of interest (ROI) based on color
roifilt2Filter region of interest (ROI) in image
imellipseCreate draggable ellipse
imfreehandCreate draggable freehand region
impolyCreate draggable, resizable polygon
imrectCreate draggable rectangle
imroiRegion-of-interest (ROI) base class

이웃 및 블록 처리

blockprocDistinct block processing for image
bestblkDetermine optimal block size for block processing
nlfilterGeneral sliding-neighborhood operations
col2imRearrange matrix columns into blocks
colfiltColumnwise neighborhood operations
im2colRearrange image blocks into columns
ImageAdapterInterface for image I/O

영상의 산술 연산

imabsdiffAbsolute difference of two images
imaddAdd two images or add constant to image
imapplymatrixLinear combination of color channels
imcomplement보수를 사용한 색 반전 영상
imdivideDivide one image into another or divide image by constant
imlincombLinear combination of images
immultiplyMultiply two images or multiply image by constant
imsubtractSubtract one image from another or subtract constant from image

영상 분할 및 분석

영상 분할

activecontour 능동 윤곽선(스네이크)을 사용하여 영상을 전경과 배경으로 분할
imsegfmmBinary image segmentation using Fast Marching Method
imseggeodesic Segment image into two or three regions using geodesic distance-based color segmentation
gradientweightCalculate weights for image pixels based on image gradient
graydiffweightCalculate weights for image pixels based on grayscale intensity difference
grayconnected Select contiguous image region with similar gray values
graythresh오츠(Otsu) 방법을 사용한 전역 영상 이진화
multithresh Multilevel image thresholds using Otsu’s method
otsuthreshGlobal histogram threshold using Otsu's method
adaptthreshAdaptive image threshold using local first-order statistics
boundarymaskFind region boundaries of segmentation
superpixels2-D superpixel oversegmentation of images
lazysnappingSegment image into foreground and background using graph-based segmentation
grabcutSegment image into foreground and background using iterative graph-based segmentation
superpixels33-D superpixel oversegmentation of 3-D image
imoverlayBurn binary mask into 2-D image
labeloverlayOverlay label matrix regions on 2-D image
label2idxConvert label matrix to cell array of linear indices
jaccardJaccard similarity coefficient for image segmentation
diceSørensen-Dice similarity coefficient for image segmentation
bfscoreContour matching score for image segmentation

객체 분석

bwboundaries이진 영상에서 영역 경계선 추적
bwtraceboundaryTrace object in binary image
visboundariesPlot region boundaries
edge명암 영상에서 경계 찾기
edge3Find edges in 3-D intensity volume
imfindcircles원형 허프 변환(Circular Hough Transform)을 사용하여 원 찾기
viscircles원 생성
imgradient 영상의 기울기 크기와 방향
imgradientxy Directional gradients of an image
imgradient3Find 3-D gradient magnitude and direction of images
imgradientxyzFind the directional gradients of a 3-D image
hough허프 변환(Hough Transform)
houghlines허프 변환(Hough Transform) 기반 선분 추출
houghpeaksIdentify peaks in Hough transform
radonRadon transform
iradonInverse Radon transform
qtdecompQuadtree decomposition
qtgetblkBlock values in quadtree decomposition
qtsetblkSet block values in quadtree decomposition

영역과 영상 속성

regionprops 영상 영역의 속성 측정
regionprops3Measure properties of 3-D volumetric image regions
bwareaArea of objects in binary image
bwareafiltExtract objects from binary image by size
bwconncomp이진 영상에서 연결성분 찾기
bwconvhullGenerate convex hull image from binary image
bwdistDistance transform of binary image
bwdistgeodesicGeodesic distance transform of binary image
bweulerEuler number of binary image
bwperimFind perimeter of objects in binary image
bwpropfiltExtract objects from binary image using properties
bwselectSelect objects in binary image
bwselect3Select objects in binary image
graydistGray-weighted distance transform of grayscale image
imcontourCreate contour plot of image data
imhist영상 데이터의 히스토그램
impixel픽셀 색 값
improfilePixel-value cross-sections along line segments
corr22차원 상관 계수
mean2행렬 요소의 평균 또는 평균값
std2Standard deviation of matrix elements
bwlabel2차원 이진 영상의 연결성분에 레이블 지정
bwlabelnLabel connected components in binary image
labelmatrixCreate label matrix from bwconncomp structure
bwpackPack binary image
bwunpackUnpack binary image

텍스처 분석

entropy회색조 영상의 엔트로피
entropyfiltLocal entropy of grayscale image
rangefiltLocal range of image
stdfiltLocal standard deviation of image
graycomatrixCreate gray-level co-occurrence matrix from image
graycopropsProperties of gray-level co-occurrence matrix

영상 품질

immse 평균 제곱 오차
psnr피크 신호 대 잡음비(PSNR)
ssimStructural Similarity Index (SSIM) for measuring image quality
brisqueBlind/Referenceless Image Spatial Quality Evaluator (BRISQUE) no-reference image quality score
fitbrisqueFit custom model for BRISQUE image quality score
brisqueModelBlind/Referenceless Image Spatial Quality Evaluator (BRISQUE) model
niqeNaturalness Image Quality Evaluator (NIQE) no-reference image quality score
fitniqeFit custom model for NIQE image quality score
niqeModelNaturalness Image Quality Evaluator (NIQE) model
esfrChartImatest® edge spatial frequency response (eSFR) test chart
measureSharpnessMeasure spatial frequency response using Imatest® eSFR chart
measureChromaticAberrationMeasure chromatic aberration at slanted edges using Imatest® eSFR chart
measureColorMeasure color reproduction using Imatest® eSFR chart
measureNoiseMeasure noise using Imatest® eSFR chart
measureIlluminantMeasure scene illuminant using Imatest® eSFR chart
displayChartDisplay Imatest® eSFR chart with overlaid regions of interest
displayColorPatchDisplay visual color reproduction as color patches
plotSFRPlot spatial frequency response of edge
plotChromaticityPlot color reproduction on chromaticity diagram

영상 변환

bwdistDistance transform of binary image
bwdistgeodesicGeodesic distance transform of binary image
graydistGray-weighted distance transform of grayscale image
hough허프 변환(Hough Transform)
houghlines허프 변환(Hough Transform) 기반 선분 추출
houghpeaksIdentify peaks in Hough transform
dct22-D discrete cosine transform
dctmtxDiscrete cosine transform matrix
fan2paraConvert fan-beam projections to parallel-beam
fanbeamFan-beam transform
idct22-D inverse discrete cosine transform
ifanbeamInverse fan-beam transform
iradonInverse Radon transform
para2fanConvert parallel-beam projections to fan-beam
radonRadon transform
fft22차원 고속 푸리에 변환(2-D Fast Fourier Transform)
fftshift제로 주파수 성분(DC 성분)을 스펙트럼의 가운데로 이동
ifft22차원 역 고속 푸리에 변환(Inverse Fast Fourier Transform)
ifftshift역 영주파수 이동

영상 처리를 위한 심층 학습

denoiseImageDenoise image using deep neural network
denoisingNetworkGet image denoising network
denoisingImageDatastoreDenoising image datastore
dnCNNLayersGet denoising convolutional neural network layers

3차원 볼륨 영상 처리

dicomreadDICOM 영상 읽어 들이기
dicomreadVolumeConstruct volume from directory of DICOM images
imbinarize임계값을 지정하여 2차원 회색조 영상이나 3차원 볼륨 이진화
niftiinfoRead metadata from NIfTI file
niftiwriteWrite volume to file using NIfTI format
niftireadRead NIfTI image
imabsdiffAbsolute difference of two images
imaddAdd two images or add constant to image
imdivideDivide one image into another or divide image by constant
immultiplyMultiply two images or multiply image by constant
imsubtractSubtract one image from another or subtract constant from image
imregisterIntensity-based image registration
imregdemonsEstimate displacement field that aligns two 2-D or 3-D images
imresize3Resize 3-D volumetric intensity image
imrotate3Rotate 3-D volumetric grayscale image
imwarp영상에 기하 변환 적용
histeq히스토그램 평활화를 사용하여 대비 향상
imadjustnAdjust intensity values in N-D volumetric image
imboxfilt33-D box filtering of 3-D images
imfilter다차원 영상의 N차원 필터링
imgaussfilt33-D Gaussian filtering of 3-D images
imhistmatchnAdjust histogram of N-D image to match histogram of reference image
integralBoxFilter33-D box filtering of 3-D integral images
integralImage3Calculate 3-D integral image
medfilt33-D median filtering
bwareaopen이진 영상에서 크기가 작은 객체 제거
bwconncomp이진 영상에서 연결성분 찾기
bwmorph3Morphological operations on binary volume
imbothatBottom-hat filtering
imclose영상에 모폴로지 닫기 연산 수행
imdilate영상 팽창
imerode영상 침식
imopenMorphologically open image
imreconstructMorphological reconstruction
imregionalmaxRegional maxima
imregionalminRegional minima
imtophatTop-hat filtering
watershedWatershed transform
activecontour 능동 윤곽선(스네이크)을 사용하여 영상을 전경과 배경으로 분할
bfscoreContour matching score for image segmentation
bwselect3Select objects in binary image
diceSørensen-Dice similarity coefficient for image segmentation
edge3Find edges in 3-D intensity volume
gradientweightCalculate weights for image pixels based on image gradient
graydiffweightCalculate weights for image pixels based on grayscale intensity difference
imgradient3Find 3-D gradient magnitude and direction of images
imgradientxyzFind the directional gradients of a 3-D image
imhist영상 데이터의 히스토그램
imsegfmmBinary image segmentation using Fast Marching Method
jaccardJaccard similarity coefficient for image segmentation
regionprops 영상 영역의 속성 측정
superpixels33-D superpixel oversegmentation of 3-D image
imref3d Reference 3-D image to world coordinates
affine3d 3-D affine geometric transformation
strel모폴로지 구조 요소
offsetstrelMorphological offset structuring element

코드 생성

imread그래픽스 파일에서 이미지 읽기
hsv2rgbHSV 색을 RGB로 변환
im2double이미지를 배정밀도로 변환
im2int16Convert image to 16-bit signed integers
im2singleConvert image to single precision
im2uint16Convert image to 16-bit unsigned integers
im2uint8영상을 8비트의 부호 없는 정수로 변환
lab2rgbConvert CIE 1976 L*a*b* to RGB
rgb2grayRGB 이미지나 컬러맵을 회색조로 변환하기
rgb2hsvRGB 색을 HSV로 변환
rgb2labConvert RGB to CIE 1976 L*a*b*
rgb2ycbcrConvert RGB color values to YCbCr color space
ycbcr2rgbConvert YCbCr color values to RGB color space
imbinarize임계값을 지정하여 2차원 회색조 영상이나 3차원 볼륨 이진화
imquantizeQuantize image using specified quantization levels and output values
multithresh Multilevel image thresholds using Otsu’s method
adaptthreshAdaptive image threshold using local first-order statistics
otsuthreshGlobal histogram threshold using Otsu's method
demosaicConvert Bayer pattern encoded image to truecolor image
getrangefromclassDefault display range of image based on its class
label2rgbConvert label matrix into RGB image
iptcheckmapCheck validity of colormap
fitgeotransFit geometric transformation to control point pairs
imcrop영상 자르기
imresize영상 크기 조정
imrotate영상 회전
imtranslateTranslate image
imwarp영상에 기하 변환 적용
impyramidImage pyramid reduction and expansion
histeq히스토그램 평활화를 사용하여 대비 향상
imadjust영상 명암 값 또는 컬러맵 조정
imabsdiffAbsolute difference of two images
imlincombLinear combination of images
imcomplement보수를 사용한 색 반전 영상
imoverlayBurn binary mask into 2-D image
intlutConvert integer values using lookup table
stretchlimFind limits to contrast stretch image
bwareaopen이진 영상에서 크기가 작은 객체 제거
bwlookup Nonlinear filtering using lookup tables
bwmorph이진 영상에 대한 모폴로지 연산
imbothatBottom-hat filtering
imclearborderSuppress light structures connected to image border
imclose영상에 모폴로지 닫기 연산 수행
imdilate영상 팽창
imerode영상 침식
imextendedmaxExtended-maxima transform
imextendedminExtended-minima transform
imfill영상 영역과 구멍 채우기
imhmaxH-maxima transform
imhminH-minima transform
imopenMorphologically open image
imreconstructMorphological reconstruction
imregionalmaxRegional maxima
imregionalminRegional minima
imtophatTop-hat filtering
watershedWatershed transform
conndefCreate connectivity array
iptcheckconnCheck validity of connectivity argument
boundarymaskFind region boundaries of segmentation
bwboundaries이진 영상에서 영역 경계선 추적
bwconncomp이진 영상에서 연결성분 찾기
bwdistDistance transform of binary image
bweulerEuler number of binary image
bwlabel2차원 이진 영상의 연결성분에 레이블 지정
bwtraceboundaryTrace object in binary image
bwpackPack binary image
bwunpackUnpack binary image
bwperimFind perimeter of objects in binary image
bwselectSelect objects in binary image
edge명암 영상에서 경계 찾기
grayconnected Select contiguous image region with similar gray values
imgradient3Find 3-D gradient magnitude and direction of images
imgradientxyzFind the directional gradients of a 3-D image
hough허프 변환(Hough Transform)
houghlines허프 변환(Hough Transform) 기반 선분 추출
houghpeaksIdentify peaks in Hough transform
getrangefromclassDefault display range of image based on its class
grayconnected Select contiguous image region with similar gray values
imfindcircles원형 허프 변환(Circular Hough Transform)을 사용하여 원 찾기
immse 평균 제곱 오차
imoverlayBurn binary mask into 2-D image
label2idxConvert label matrix to cell array of linear indices
mean2행렬 요소의 평균 또는 평균값
psnr피크 신호 대 잡음비(PSNR)
regionprops 영상 영역의 속성 측정
superpixels2-D superpixel oversegmentation of images
superpixels33-D superpixel oversegmentation of 3-D image
imfilter다차원 영상의 N차원 필터링
imboxfilt2-D box filtering of images
imgaborfilt Apply Gabor filter or set of filters to 2-D image
imgaussfilt영상에 대한 2차원 가우스 필터링
fspecial미리 정의된 2차원 필터 생성
integralBoxFilter2-D box filtering of integral images
integralImageCalculate integral image
medfilt22차원 중앙값 필터 적용
ordfilt22-D order-statistic filtering
padarray배열 채우기
imref2d Reference 2-D image to world coordinates
imref3d Reference 3-D image to world coordinates
affine2d2-D affine geometric transformation
projective2d 2-D projective geometric transformation
strel모폴로지 구조 요소
offsetstrelMorphological offset structuring element

GPU 컴퓨팅

im2double이미지를 배정밀도로 변환
im2singleConvert image to single precision
im2uint8영상을 8비트의 부호 없는 정수로 변환
im2uint16Convert image to 16-bit unsigned integers
imnoise영상에 잡음 추가
mat2gray행렬을 회색조 영상으로 변환
rgb2grayRGB 이미지나 컬러맵을 회색조로 변환하기
rgb2ycbcrConvert RGB color values to YCbCr color space
ycbcr2rgbConvert YCbCr color values to RGB color space
imshow영상 표시
imregdemonsEstimate displacement field that aligns two 2-D or 3-D images
imresize영상 크기 조정
imrotate영상 회전
histeq히스토그램 평활화를 사용하여 대비 향상
imabsdiffAbsolute difference of two images
imadjust영상 명암 값 또는 컬러맵 조정
imcomplement보수를 사용한 색 반전 영상
imfilter다차원 영상의 N차원 필터링
imlincombLinear combination of images
medfilt22차원 중앙값 필터 적용
normxcorr2정규화된 2차원 상호상관
padarray배열 채우기
stdfiltLocal standard deviation of image
stretchlimFind limits to contrast stretch image
bwlookup Nonlinear filtering using lookup tables
bwmorph이진 영상에 대한 모폴로지 연산
imbothatBottom-hat filtering
imclose영상에 모폴로지 닫기 연산 수행
imdilate영상 팽창
imerode영상 침식
imfill영상 영역과 구멍 채우기
imopenMorphologically open image
imreconstructMorphological reconstruction
imtophatTop-hat filtering
bwdistDistance transform of binary image
bwlabel2차원 이진 영상의 연결성분에 레이블 지정
corr22차원 상관 계수
edge명암 영상에서 경계 찾기
imgradient 영상의 기울기 크기와 방향
imgradientxy Directional gradients of an image
imhist영상 데이터의 히스토그램
iradonInverse Radon transform
mean2행렬 요소의 평균 또는 평균값
radonRadon transform
regionprops 영상 영역의 속성 측정
std2Standard deviation of matrix elements