addframe - Add a frame to the video file. (experimental)

aviclose - Close a video file. (experimental)

avicloseall - Close all opened video files/cameras. (experimental)

avifile - Create a new video file to write. (experimental)

aviinfo - Get the information about video files. (experimental)

avilistopened - Show all opened video files. (experimental)

aviopen - Open a video file. (experimental)

avireadframe - Grabs and returns a frame from a opened video file or camera (experimental)

camopen - Open a camera. (experimental)

camshift - Track an object by color. It gets the object position, size and orientation.

corr2 - 2D correlation coefficient

detectlefteyes - Find left eyes in the image.

detectrighteyes - Find right eyes in the image.

detectfaces - Find faces in the image.

detectforeground - Background modeling and get foreground mask.

edge - Find edges in a single channel image.

filter2 - 2D digital filtering

fspecial - Create some 2D special filters

hsv2rgb - Convert a HSV image to the equivalent RGB image.

im2bw - Convert image to binary

im2double - Convert image to double precision

im2int16 - Convert image to 16-bit signed integers

im2int32 - Convert image to 32-bit signed integers

im2int8 - Convert image to 8-bit signed integers

im2uint16 - Convert image to 16-bit unsigned integers

im2uint8 - Convert image to 8-bit unsigned integers

imabsdiff - Calculate absolute difference of two images

imadd - Add two images or add a constant to an image

imcomplement - Complement image

imcrop - Crop image

imdivide - Divide two images or divide an image by an constant.

imfilter - Image filtering

imfinfo - Get the information about image file

imhist - get the histogram of an image

imlincomb - Linear combination of images

immultiply - Multiply two images or multiply an image by an constant.

imnoise - Add noise (gaussian, etc.) to an image

impyramid - Image pyramid reduction and expansion

imread - Reads image file

imresize - Resizes image

imshow - Displays images in graphic window

imsubtract - Subtract two images or subtract a constant from an image

imwrite - Write image to file

ind2rgb - convert indexed image to true color image

mat2gray - Convert matrix to grayscale image

mean2 - Average/mean of matrix elements

meanshift - Track an object by color.

ntsc2rgb - Convert a NTSC image to the equivalent RGB image.

rectangle - Draw a rectangle on image

rgb2gray - Convert RGB images to gray images

rgb2hsv - Convert a RGB image to the equivalent HSV image.

rgb2ntsc - Convert a RGB image to the equivalent NTSC image YIQ.

rgb2ycbcr - Convert a RGB image to the equivalent YCbCr image.

std2 - Standard deviation of 2D matrix elements

stdev2 - Standard deviation of 2D matrix elements

xs2im - Convert graphics to an image matrix.

ycbcr2rgb - Convert a YCbCr image to the equivalent RGB image.