GPU Computing

Run image processing code on a graphics processing unit (GPU)

A Graphics Processing Unit (GPU) offers performance benefits for image processing workflows. A number of Image Processing Toolbox™ functions have been enabled to perform image processing operations on a GPU.


edge Find edges in intensity image
histeq Enhance contrast using histogram equalization
imadjust Adjust image intensity values or colormap
imfill Fill image regions and holes
imfilter N-D filtering of multidimensional images
imgradient Gradient magnitude and direction of an image
imgradientxy Directional gradients of an image
imhist Histogram of image data
imnoise Add noise to image
imregdemons Estimate displacement field that aligns two 2-D or 3-D images
imresize Resize image
imrotate Rotate image
imshow Display image
mean2 Average or mean of matrix elements
medfilt2 2-D median filtering
padarray Pad array
std2 Standard deviation of matrix elements
stdfilt Local standard deviation of image
stretchlim Find limits to contrast stretch image
bwdist Distance transform of binary image
bwlabel Label connected components in 2-D binary image
bwlookup Nonlinear filtering using lookup tables
corr2 2-D correlation coefficient
normxcorr2 Normalized 2-D cross-correlation
iradon Inverse Radon transform
radon Radon transform
im2double Convert image to double precision
im2single Convert image to single precision
im2uint8 Convert image to 8-bit unsigned integers
im2uint16 Convert image to 16-bit unsigned integers
imabsdiff Absolute difference of two images
imcomplement Complement image
imlincomb Linear combination of images
bwmorph Morphological operations on binary images
imbothat Bottom-hat filtering
imclose Morphologically close image
imdilate Dilate image
imerode Erode image
imopen Morphologically open image
imreconstruct Morphological reconstruction
imtophat Top-hat filtering
mat2gray Convert matrix to grayscale image
rgb2gray Convert RGB image or colormap to grayscale
rgb2ycbcr Convert RGB color values to YCbCr color space
ycbcr2rgb Convert YCbCr color values to RGB color space
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