angle - Gradient direction of edges

bwborder - Border detection for binary images

bwdist - Distance transforms

bwlabel - Connected component labeling

curvature - Curvature of a contour

curvature2d - Curvature of a surface or image

dilate - Morphological dilation of binary images

drawline - Draws line in a binary image

edge - Edge detection

edilate - Euclidean morphological dilation of binary

erode - Morphological erosion of binary images

fftderiv - Derivative of a vector using FFT

fftshift - Swap arrays (used with fft)

follow - A contour follower

fractal - Multiscale fractal dimension curve

gray_imread - Read any image as grayscale

gsm - 1D gaussian smoothing

gsm2d - 2D gaussian smoothing

hello_sip - Learn to add your own C routine to SIP

hough - Hough transform for line detection

ihough - Inverse hough transform

im2bw - Convert images to binary by thresholding

im2gray - Converts color images or colormaps to grayscale

imconv - 2D convolution

imcorrcoef - Template matching by normalized correlation

imfinfo - Image file information

imnoise - Generate noise (salt & pepper, etc)

imphase - Image phase calculation.

improfile - Draws intensity profiles of an image

imread - Reads image file in ANY format

imroi - Roi (region of interest) of an image

imshow - Displays images in scilab graphic window

imvariance - Calculates the variance of an image

imwrite - Writes to an image file in ANY format

ind2rgb - Convert indexed images to truecolor storage

interferometry_gui - Graphical User Interface (GUI) for

minmax - Min/Max algorithm for noise removal from images

mkfftfilter - Builds 2D frequency-domain filters

mkfilter - Returns popular 2D convolution kernels

mogrify - Filter, rotate, zoom, equalization, and MANY

normal - Normalize array to a given range

ntsc2rgb - Converts from YIQ to RGB colorspace

percol - Test if binary image is percolated

perim - Perimeter of binary shape

pifilter - Pi filter for phased images

poledetection - Poles (or residues) detection in a wrapped

rgb2ntsc - Converts from RGB to YIQ colorspace

sip_fftshift - Swap arrays (used with fft)

skel - Skeletonization, thinning, Medial Axis Transform

thin - Thinning by border deletion

unfollow - Converts a parametric contour into a binary

unwrapl - Unwraps phased images linearly

unwrapp - Unwraps phased images by path following

watershed - Image segmentation with markers

xgetpixel - Gets the pixel coordinates from an image

xor - Exclusive or