SIP - Scilab Image Processing Toolbox

• KRC_from_P — Decompose a 3x4 projection matrix into K, R, and C
• arclength — Arc length function of a sampled curve
• 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
• exp2rot_matrix — Converts from exponential to matrix rotation parameterization.
• fftderiv — Derivative of a vector using FFT
• follow — A binary contour follower
• fractal — Multiscale fractal dimension curve
• getangle — gradient direction of edges
• 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
• hsv2rgb — Converts from HSV to RGB colorspace
• ihough — Inverse hough transform
• im2bw — Convert an image to binary by thresholding
• im2gray — Converts color images or colormaps to grayscale
• imconv — 2D convolution
• imcorrcoef — Template matching by normalized correlation
• imfinfo — Gets image file information
• imnoise — Add noise (Gaussian, etc.) to an image
• 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 the Scilab graphic window
• imvariance — Calculates the variance of an image
• imwrite — Write image to file in any format
• imxprofile — Draws intensity profiles of an already displayed image
• ind2rgb — Converts indexed images to true color
• interferometry_gui — Graphical User Interface (GUI) for SIP functions
• iradon — Inverse hough transform
• 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, equalize, and much more image manipulation.
• normal — Normalize array to a given range
• ntsc2rgb — Convert from NTSC/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 phase image
• quaternion2rot_matrix — Converts a quaternion to a rotation matrix
• quaternion_matrix — Generates quaternion multiplication matrix
• quaternion_multiply — Multiplication of two quaternions
• radon — Radon transform
• rgb2hsv — Converts from RGB to HSV colorspace.
• rgb2ntsc — Converts from RGB to YIQ colorspace
• rgbplot — displays the three components (red, green and blue) of a colormap
• rot_matrix2quaternion — Converts a rotation matrix to a quaternion representation
• sip_colormap — creates a beautiful colormap
• sip_fftshift — Swap arrays (used with fft)
• sip_rq — RQ decomposition
• sip_set_verbose — the current verbose mode
• sip_setenv — sets environment variables
• skel — skeletonization, thinning, Medial Axis Transform
• thin — thinning by border deletion
• unfollow — Converts a parametric contour into a binary image
• unwrapl — Unwraps phased images linearly
• unwrapp — Unwraps phased images by path following
• watershed — image segmentation with markers
• xgetpixel — Gets the clicked-on pixel coordinates from an image
• xor — Exclusive or