SIP - Scilab Image Processing Toolbox

Table of Contents

I. SIP - Scilab Image Processing Toolbox

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

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

radon — Radon transform

rgb2hsv — Converts from RGB to HSV colorspace.

hsv2ntsc — Converts from RGB to YIQ colorspace

rgbplot — displays the three components (red, green and blue) of a colormap

sip_colormap — creates a beautiful colormap

sip_fftshift — Swap arrays (used with fft)

sip_set_verbose — set the messaging level for SIP routines — suppress vebose messages — enable verbose messages — 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