| activecontour() | Segment image into foreground and background using activecontour. |
| adapthisteq() | Contrast-limited adaptive histogram equalization (CLAHE). |
| adaptthresh() | Adaptive image threshold using local first-order statistics. |
| analyze75info() | Read metadata from header file of Analyze 7.5 data set. |
| analyze75read() | Read image data from image file of Analyze 7.5 data set. |
| applycform() | Apply device-independent color space transformation. |
| applylut() | Neighborhood operations on binary images using lookup tables. |
| bestblk() | Determine optimal block size for block processing. |
| blockproc() | Distinct block processing for image. |
| boundarymask() | Find region boundaries of segmentation. |
| bwarea() | Area of objects in binary image. |
| bwareafilt() | Extract objects from binary image by size. |
| bwareaopen() | Remove small objects from binary image. |
| bwboundaries() | Trace region boundaries in binary image. |
| bwconncomp() | Find connected components in binary image. |
| bwconvhull() | Generate convex hull image from binary image. |
| bwdist() | Distance transform of binary image. |
| bwdistgeodesic() | Geodesic distance transform of binary image. |
| bweuler() | Euler number of binary image. |
| bwhitmiss() | Binary hit-miss operation. |
| bwlabel() | Label connected components in 2-D binary image. |
| bwlabeln() | Label connected components in binary image. |
| bwlookup() | Nonlinear filtering using lookup tables. |
| bwmorph() | Morphological operations on binary images. |
| bwpack() | Pack binary image. |
| bwperim() | Find perimeter of objects in binary image. |
| bwpropfilt() | Extract objects from binary image using properties. |
| bwselect() | Select objects in binary image. |
| bwtraceboundary() | Trace object in binary image. |
| bwulterode() | Ultimate erosion. |
| bwunpack() | Unpack binary image. |
| checkerboard() | Create checkerboard image. |
| col2im() | Rearrange matrix columns into blocks. |
| colfilt() | Columnwise neighborhood operations. |
| conndef() | Create connectivity array. |
| convmtx2() | 2-D convolution matrix. |
| corr2() | 2-D correlation coefficient. |
| cp2tform() | Infer spatial transformation from control point pairs. |
| cpcorr() | Tune control-point locations using cross correlation. |
| cpselect() | Control Point Selection Tool. |
| cpstruct2pairs() | Convert CPSTRUCT to valid pairs of control points. |
| dct2() | 2-D discrete cosine transform. |
| dctmtx() | Discrete cosine transform matrix. |
| deconvblind() | Deblur image using blind deconvolution. |
| deconvlucy() | Deblur image using Lucy-Richardson method. |
| deconvreg() | Deblur image using regularized filter. |
| deconvwnr() | Deblur image using Wiener filter. |
| decorrstretch() | Apply decorrelation stretch to multichannel image. |
| demosaic() | Convert Bayer pattern encoded image to truecolor image. |
| dicomanon() | Anonymize DICOM file. |
| dicomdict() | Get or set active DICOM data dictionary. |
| dicomdisp() | Display DICOM file structure. |
| dicominfo() | Read metadata from DICOM message. |
| dicomlookup() | Find attribute in DICOM data dictionary. |
| dicomread() | Read DICOM image. |
| dicomuid() | Generate DICOM unique identifier. |
| dicomwrite() | Write images as DICOM files. |
| dpxinfo() | Read metadata from DPX file. |
| dpxread() | Read DPX image. |
| edge() | Find edges in intensity image. |
| edgetaper() | Taper discontinuities along image edges. |
| entropy() | Entropy of grayscale image. |
| entropyfilt() | Local entropy of grayscale image. |
| fan2para() | Convert fan-beam projections to parallel-beam. |
| fanbeam() | Fan-beam transform. |
| fft2() | 2-D fast Fourier transform. |
| fftshift() | Shift zero-frequency component to center of spectrum. |
| findbounds() | Find output bounds for spatial transformation. |
| fitgeotrans() | Fit geometric transformation to control point pairs. |
| fliptform() | Flip input and output roles of TFORM structure. |
| freqz2() | 2-D frequency response. |
| fsamp2() | 2-D FIR filter using frequency sampling. |
| fspecial() | Create predefined 2-D filter. |
| ftrans2() | 2-D FIR filter using frequency transformation. |
| fwind1() | 2-D FIR filter using 1-D window method. |
| fwind2() | 2-D FIR filter using 2-D window method. |
| gabor() | Create Gabor filter or Gabor filter bank. |
| getimage() | Image data from axes. |
| getimagemodel() | Image model object from image object. |
| getline() | Select polyline with mouse. |
| getpts() | Specify points with mouse. |
| getrangefromclass() | Default display range of image based on its class. |
| getrect() | Specify rectangle with mouse. |
| gradientweight() | Calculate weights for image pixels based on image gradient. |
| gray2ind() | Convert grayscale or binary image to indexed image. |
| graycomatrix() | Create gray-level co-occurrence matrix from image. |
| grayconnected() | Select contiguous image region with similar gray values. |
| graycoprops() | Properties of gray-level co-occurrence matrix. |
| graydiffweight() | Calculate weights for image pixels based on grayscale intensity difference. |
| graydist() | Gray-weighted distance transform of grayscale image. |
| grayslice() | Convert grayscale image to indexed image using multilevel thresholding. |
| graythresh() | Global image threshold using Otsu's method. |
| hdrread() | Read high dynamic range (HDR) image. |
| hdrwrite() | Write Radiance high dynamic range (HDR) image file. |
| histeq() | Enhance contrast using histogram equalization. |
| hough() | Hough transform. |
| houghlines() | Extract line segments based on Hough transform. |
| houghpeaks() | Identify peaks in Hough transform. |
| hsv2rgb() | Convert HSV colormap to RGB colormap. |
| iccfind() | Search for ICC profiles. |
| iccread() | Read ICC profile. |
| iccroot() | Find system default ICC profile repository. |
| iccwrite() | Write ICC color profile to disk file. |
| idct2() | 2-D inverse discrete cosine transform. |
| ifanbeam() | Inverse fan-beam transform. |
| ifft2() | 2-D inverse fast Fourier transform. |
| ifftshift() | Inverse FFT shift. |
| im2bw() | Convert image to binary image, based on threshold. |
| im2col() | Rearrange image blocks into columns. |
| im2double() | Convert image to double precision. |
| im2int16() | Convert image to 16-bit signed integers. |
| im2java2d() | Convert image to Java buffered image. |
| im2single() | Convert image to single precision. |
| im2uint16() | Convert image to 16-bit unsigned integers. |
| im2uint8() | Convert image to 8-bit unsigned integers. |
| imabsdiff() | Absolute difference of two images. |
| imadd() | Add two images or add constant to image. |
| imadjust() | Adjust image intensity values or colormap. |
| imageinfo() | Image Information tool. |
| imagemodel() | Image Model object. |
| imapplymatrix() | Linear combination of color channels. |
| imapprox() | Approximate indexed image by reducing number of colors. |
| imbinarize() | Binarize image by thresholding. |
| imbothat() | Bottom-hat filtering. |
| imboxfilt() | 2-D box filtering of images. |
| imboxfilt3() | 3-D box filtering of 3-D images. |
| imclearborder() | Suppress light structures connected to image border. |
| imclose() | Morphologically close image. |
| imcolormaptool() | Choose Colormap tool. |
| imcomplement() | Complement image. |
| imcontour() | Create contour plot of image data. |
| imcontrast() | Adjust Contrast tool. |
| imcrop() | Crop image. |
| imdilate() | Dilate image. |
| imdisplayrange() | Display Range tool. |
| imdistline() | Distance tool. |
| imdivide() | Divide one image into another or divide image by constant. |
| imellipse() | Create draggable ellipse. |
| imerode() | Erode image. |
| imextendedmax() | Extended-maxima transform. |
| imextendedmin() | Extended-minima transform. |
| imfill() | Fill image regions and holes. |
| imfilter() | N-D filtering of multidimensional images . |
| imfindcircles() | Find circles using circular Hough transform. |
| imfinfo() | Information about graphics file |
| imfreehand() | Create draggable freehand region. |
| imfuse() | Composite of two images. |
| imgaborfilt() | Apply Gabor filter or set of filters to 2-D image. |
| imgaussfilt() | 2-D Gaussian filtering of images. |
| imgaussfilt3() | 3-D Gaussian filtering of 3-D images. |
| imgca() | Get handle to current axes containing image. |
| imgcf() | Get handle to current figure containing image. |
| imgetfile() | Open Image dialog box. |
| imgradient() | Gradient magnitude and direction of an image. |
| imgradient3() | Find 3-D gradient magnitude and direction of images. |
| imgradientxy() | Directional gradients of an image. |
| imgradientxyz() | Find the directional gradients of a 3-D image. |
| imguidedfilter() | Guided filtering of images. |
| imhandles() | Get all image handles. |
| imhist() | Histogram of image data. |
| imhistmatch() | Adjust histogram of image to match N-bin histogram of reference image . |
| imhmax() | H-maxima transform. |
| imhmin() | H-minima transform. |
| imimposemin() | Impose minima. |
| imlincomb() | Linear combination of images. |
| imline() | Create draggable, resizable line. |
| immagbox() | Magnification box for scroll panel. |
| immovie() | Make movie from multiframe image. |
| immse() | Mean-squared error . |
| immultiply() | Multiply two images or multiply image by constant. |
| imnoise() | Add noise to image. |
| imopen() | Morphologically open image. |
| imoverlay() | Burn binary mask into 2-D image. |
| imoverview() | Overview tool for image displayed in scroll panel. |
| imoverviewpanel() | Overview tool panel for image displayed in scroll panel. |
| impixel() | Pixel color values. |
| impixelinfo() | Pixel Information tool. |
| impixelinfoval() | Pixel Information tool without text label. |
| impixelregion() | Pixel Region tool. |
| impixelregionpanel() | Pixel Region tool panel. |
| implay() | Play movies, videos, or image sequences. |
| impoint() | Create draggable point. |
| impoly() | Create draggable, resizable polygon. |
| improfile() | Pixel-value cross-sections along line segments. |
| impyramid() | Image pyramid reduction and expansion. |
| imquantize() | Quantize image using specified quantization levels and output values. |
| imread() | Read Image from Graphics File. |
| imreconstruct() | Morphological reconstruction. |
| imrect() | Create draggable rectangle. |
| imregconfig() | Configurations for intensity-based registration. |
| imregcorr() | Estimates geometric transformation that aligns two 2-D images using phase correlation. |
| imregdemons() | Estimate displacement field that aligns two 2-D or 3-D images. |
| imregionalmax() | Regional maxima. |
| imregionalmin() | Regional minima. |
| imregister() | Intensity-based image registration. |
| imregtform() | Estimate geometric transformation that aligns two 2-D or 3-D images. |
| imresize() | Resize image. |
| imrotate() | Rotate image. |
| imsave() | Save Image Tool. |
| imscrollpanel() | Scroll panel for interactive image navigation. |
| imsegfmm() | Binary image segmentation using Fast Marching Method. |
| imseggeodesic() | Segment image into two or three regions using geodesic distance-based color segmentation. |
| imsharpen() | Sharpen image using unsharp masking. |
| imshow() | Display image. |
| imshowpair() | Compare differences between images. |
| imsubtract() | Subtract one image from another or subtract constant from image. |
| imtool() | Image Viewer app. |
| imtophat() | Top-hat filtering. |
| imtransform() | Apply 2-D spatial transformation to image. |
| imtranslate() | Translate image. |
| imwarp() | Apply geometric transformation to image. |
| imwrite() | Write image to graphics file. |
| ind2gray() | Convert indexed image to grayscale image. |
| ind2rgb() | Convert indexed image to RGB image. |
| integralBoxFilter() | 2-D box filtering of integral images. |
| integralBoxFilter3() | 3-D box filtering of 3-D integral images. |
| integralImage() | Calculate integral image. |
| integralImage3() | Calculate 3-D integral image. |
| interfileinfo() | Read metadata from Interfile file. |
| interfileread() | Read images in Interfile format. |
| intlut() | Convert integer values using lookup table. |
| iptaddcallback() | Add function handle to callback list. |
| iptcheckconn() | Check validity of connectivity argument. |
| iptcheckhandle() | Check validity of handle. |
| iptcheckmap() | Check validity of colormap. |
| iptgetapi() | Get Application Programmer Interface (API) for handle. |
| iptGetPointerBehavior() | Retrieve pointer behavior from HG object. |
| iptgetpref() | Get values of Image Processing Toolbox preferences. |
| ipticondir() | Directories containing IPT and MATLAB icons. |
| iptPointerManager() | Create pointer manager in figure. |
| iptprefs() | Display Image Processing Toolbox Preferences dialog box. |
| iptremovecallback() | Delete function handle from callback list. |
| iptSetPointerBehavior() | Store pointer behavior structure in Handle Graphics object. |
| iptsetpref() | Set Image Processing Toolbox preferences or display valid values. |
| iptwindowalign() | Align figure windows. |
| iradon() | Inverse Radon transform. |
| isicc() | True for valid ICC color profile. |
| isrset() | Check if file is R-Set. |
| lab2double() | Convert L*a*b* data to double. |
| lab2rgb() | Convert CIE 1976 L*a*b* to RGB. |
| lab2uint16() | Convert L*a*b* data to uint16. |
| lab2uint8() | Convert L*a*b* data to uint8. |
| lab2xyz() | Convert CIE 1976 L*a*b* to CIE 1931 XYZ. |
| label2idx() | Convert label matrix to cell array of linear indices. |
| label2rgb() | Convert label matrix into RGB image. |
| labelmatrix() | Create label matrix from bwconncomp structure. |
| makecform() | Create color transformation structure. |
| makeConstrainToRectFcn() | Create rectangularly bounded drag constraint function. |
| makehdr() | Create high dynamic range image. |
| makelut() | Create lookup table for use with bwlookup. |
| makeresampler() | Create resampling structure. |
| maketform() | Create spatial transformation structure (TFORM). |
| mat2gray() | Convert matrix to grayscale image. |
| mean2() | Average or mean of matrix elements. |
| medfilt2() | 2-D median filtering. |
| montage() | Display multiple image frames as rectangular montage. |
| multithresh() | Multilevel image thresholds using Otsu's method. |
| nlfilter() | General sliding-neighborhood operations. |
| normxcorr2() | Normalized 2-D cross-correlation. |
| ntsc2rgb() | Convert NTSC values to RGB color space. |
| openrset() | Open R-Set file. |
| ordfilt2() | 2-D order-statistic filtering. |
| otf2psf() | Convert optical transfer function to point-spread function. |
| otsuthresh() | Global histogram threshold using Otsu's method. |
| padarray() | Pad array. |
| para2fan() | Convert parallel-beam projections to fan-beam. |
| phantom() | Create head phantom image. |
| poly2mask() | Convert region of interest (ROI) polygon to region mask. |
| psf2otf() | Convert point-spread function to optical transfer function. |
| psnr() | Peak Signal-to-Noise Ratio (PSNR) . |
| qtdecomp() | Quadtree decomposition. |
| qtgetblk() | Block values in quadtree decomposition. |
| qtsetblk() | Set block values in quadtree decomposition. |
| radon() | Radon transform. |
| rangefilt() | Local range of image. |
| regionfill() | Fill in specified regions in image using inward interpolation. |
| regionprops() | Measure properties of image regions. |
| rgb2gray() | Convert RGB image or colormap to grayscale. |
| rgb2hsv() | Convert RGB colormap to HSV colormap. |
| rgb2lab() | Convert RGB to CIE 1976 L*a*b*. |
| rgb2ntsc() | Convert RGB color values to NTSC color space. |
| rgb2xyz() | Convert RGB to CIE 1931 XYZ. |
| rgb2ycbcr() | Convert RGB color values to YCbCr color space. |
| roicolor() | Select region of interest (ROI) based on color. |
| roifilt2() | Filter region of interest (ROI) in image. |
| roipoly() | Specify polygonal region of interest (ROI). |
| rsetwrite() | Create reduced resolution data set from image file. |
| ssim() | Structural Similarity Index (SSIM) for measuring image quality . |
| std2() | Standard deviation of matrix elements. |
| stdfilt() | Local standard deviation of image. |
| stretchlim() | Find limits to contrast stretch image. |
| subimage() | Display multiple images in single figure. |
| superpixels() | 2-D superpixel oversegmentation of images. |
| tformarray() | Apply spatial transformation to N-D array. |
| tformfwd() | Apply forward spatial transformation. |
| tforminv() | Apply inverse spatial transformation. |
| tonemap() | Render high dynamic range image for viewing. |
| truesize() | Adjust display size of image. |
| visboundaries() | Plot region boundaries. |
| viscircles() | Create circle. |
| warp() | Display image as texture-mapped surface. |
| watershed() | Watershed transform. |
| whitepoint() | XYZ color values of standard illuminants. |
| wiener2() | 2-D adaptive noise-removal filtering. |
| xyz2double() | Convert XYZ color values to double. |
| xyz2lab() | Convert CIE 1931 XYZ to CIE 1976 L*a*b*. |
| xyz2rgb() | Convert CIE 1931 XYZ to RGB. |
| xyz2uint16() | Convert XYZ color values to uint16. |
| ycbcr2rgb() | Convert YCbCr color values to RGB color space. |