 applylut | % Uses lookup tables to perform a neighbour operation on binary images. |
| autumn | % Create color colormap. This colormap is red through orange to yellow. |
| bestblk | % Calculates the best size of block for block processing. |
| blkproc | % Processes image in blocks using user-supplied function. |
| bmpwrite | % Write the bitmap @var{X} into @var{file} (8-bit indexed uncompressed). |
| bone | % Create color colormap. This colormap is a gray colormap with a light |
| brighten | % Darkens or brightens the given colormap. If the @var{map} argument |
| bwarea | % Estimates the area of the 'on' pixels of @var{bw}. |
| bwborder | % Finds the borders of foreground objects in a binary image. |
| bwdist | % |
| bweuler | % Calculates the Euler number of a binary image. |
| bwhitmiss | % Perform the binary hit-miss operation. |
| bwmorph | % Perform a morphological operation on a binary image. |
| bwperim | % Find the perimeter of objects in binary images. |
| bwselect | % Select connected regions in a binary image. |
| cmpermute | % Reorders colors in a colormap. |
| cmunique | % Finds colormap with unique colors and corresponding image. |
| col2im | % Rearranges matrix columns into blocks. |
| colfilt | % Apply filter to matrix blocks |
| colorgradient | % Define a colour map which smoothly traverses the given colors. |
| colormap | % Set the current colormap. |
| conndef | % Creates a connectivity array. |
| contrast | % Return a gray colormap that maximizes the contrast in an image. The |
| cool | % Create color colormap. The colormap is cyan to magenta. The argument |
| copper | % Create color colormap. This colormap is black to a light copper tone. |
| cordflt2 | % Implementation of two-dimensional ordered filtering. This function has been |
| corr2 | % Returns the correlation coefficient between @var{I} and @var{j}. |
| deriche | % Deriche 2D image gradient using recursive filters. Precessing time is |
| dilate | % Perform a dilation morphological operation on a binary image. |
| edge | % Detect edges in the given image using various methods. The first input @var{im} |
| entropy | % Computes the entropy of an image. |
| entropyfilt | % Computes the local entropy in a neighbourhood around each pixel in an image. |
| erode | % Perform an erosion morphological operation on a binary image. |
| fftconv2 | % Convolve 2 dimensional signals using the FFT. |
| flag | % Create color colormap. This colormap cycles through red, white, blue |
| fspecial | % Create spatial filters for image processing. |
| gmap40 | % Create a color colormap. The colormap is red, green, blue, yellow, |
| gray | % Return a gray colormap with @var{n} entries corresponding to values from |
| gray2ind | % Convert a gray scale intensity image to an Octave indexed image. |
| grayslice | % creates an indexed image @var{X} from an intensitiy image @var{I} |
| graythresh | % Compute global image threshold using Otsu's method. |
| histeq | % Histogram equalization of a gray-scale image. The histogram contains |
| hot | % Create color colormap. This colormap is black through dark red, red, |
| hough_circle | % Perform the Hough transform for circles with radius @var{r} on the |
| houghtf | % Perform the Hough transform for lines or circles. |
| hsv | % Create color colormap. This colormap is red through yellow, green, |
| hsv2rgb | % Transform a colormap or image from the hsv space to the rgb space. |
| im2bw | % Converts image data types to a black-white (binary) image. |
| im2col | % Rearranges image blocks into columns. |
| im2double | % Converts the input image to an image of class double. |
| im2uint16 | % Converts the input image to an image of class uint16. |
| im2uint8 | % Converts the input image to an image of class uint8. |
| imadjust | % Adjust image or colormap values to a specified range. |
| image | % Display a matrix as a color image. The elements of @var{x} are indices |
| image_viewer | % Change the program or function used for viewing images and return the |
| imagesc | % Display a scaled version of the matrix @var{a} as a color image. The |
| imclose | % Perform morphological closing on a given image. |
| imcomplement | % Computes the complement image. Intuitively this corresponds to the intensity |
| imdilate | % Perform morphological dilation on a given image. |
| imdither | |
| imerode | % Perform morphological erosion on a given image. |
| imfilter | % Computes the linear filtering of the image @var{I} and the filter @var{f}. |
| imfinfo | % Read image information from a file. |
| imginfo | % Get image size from file @var{filename}. |
| imhist | % Shows the histogram of an image using hist. |
| immaximas | % Finds local spatial maximas of the given image. A local spatial maxima is |
| imnoise | % Adds noise to image in @var{A}. |
| imopen | % Perform morphological opening on a given image. |
| impad | % Pad (augment) a matrix for application of image processing algorithms. |
| imperspectivewarp | % Applies the spatial perspective homogeneous transformation @var{P} to the image @var{im}. |
| imread | % Read images from various file formats. |
| imremap | % Applies any geometric transformation to the image @var{im}. |
| imresize | % Scales the image @var{A} by a factor @var{m} using nearest neighbour |
| imrotate | % Rotation of a 2D matrix about its center. |
| imrotate_Fourier | % Rotation of a 2D matrix. |
| imshear | % Applies a shear to the image @var{M}. |
| imshow | % Display the image @var{im}, where @var{im} can be a 2-dimensional |
| imsmooth | % Smooth the given image using several different algorithms. |
| imtophat | % Perform morphological top hat filtering. |
| imtranslate | % Translate a 2D image by (x,y) using Fourier interpolation. |
| imwrite | % Write images in various file formats. |
| ind2gray | % Convert an Octave indexed image to a gray scale intensity image. |
| ind2rgb | % Convert an indexed image to red, green, and blue color components. |
| isbw | % Returns true for a black-white (binary) image. |
| isgray | % Returns true for an gray-scale intensity image. An variable is a gray scale image |
| isind | % Returns true for an index image. All index values must |
| isrgb | % Returns true if parameter is a RGB image. |
| jet | % Create color colormap. This colormap is dark blue through blue, cyan, |
| label2rgb | % Converts a labeled image to an RGB image. |
| makelut | % Create a lookup table which can be used by applylut. |
| mat2gray | % Converts a matrix to a intensity image. |
| mean2 | % Returns the mean value for a 2d real type matrix. |
| medfilt2 | % Two dimensional median filtering. |
| nlfilter | % Processes image in sliding blocks using user-supplied function. |
| ntsc2rgb | % Transform a colormap or image from NTSC to RGB. |
| ocean | % Create color colormap. The argument @var{n} should be a scalar. If it |
| ordfilt2 | % Two dimensional ordered filtering. |
| ordfiltn | % Two dimensional ordered filtering. |
| padarray | % Pads an array in a configurable way. |
| pink | % Create color colormap. This colormap gives a sepia tone on black and |
| poly2mask | % Convert a polygon to a region mask. |
| prism | % Create color colormap. This colormap cycles trough red, orange, yellow, |
| qtdecomp | % Performs quadtree decomposition. |
| qtgetblk | % Obtain block values from a quadtree decomposition. |
| qtsetblk | % Set block values in a quadtree decomposition. |
| radon | % |
| rainbow | % Create color colormap. This colormap is red through orange, yellow, green, |
| rangefilt | % Computes the local intensity range in a neighbourhood around each pixel in |
| rgb2gray | % Converts an RGB image to a gray scale image, or a color map |
| rgb2hsv | % Transform a colormap or image from the rgb space to the hsv space. |
| rgb2ind | % Convert an RGB image to an Octave indexed image. |
| rgb2ntsc | % Transform a colormap or image from RGB to NTSC. |
| rgbplot | % Plot a given color map. |
| roicolor | % Select a Region Of Interest of an image based on color. |
| saveimage | % Save the matrix @var{x} to @var{file} in image format @var{fmt}. Valid |
| spring | % Create color colormap. This colormap is magenta to yellow. |
| std2 | % Returns the standard deviation for a 2d real type matrix. |
| stdfilt | % Computes the local standard deviation in a neighbourhood around each pixel in |
| stretchlim | % Finds limits to contrast stretch an image |
| summer | % Create color colormap. This colormap is green to yellow. |
| uintlut | % Computes matrix B by using A as an index to lookup table LUT. |
| white | % Create color colormap. This colormap is completely white. |
| winter | % Create color colormap. This colormap is blue to green. |
Master index