ref

[wanghaisheng]

Scripts By Category

Geometry

Image Effects

Brightness Contrast

Blur Sharpen Edge

Color

Threshold Segment

Noise Addition Removal

TEXTCLEANER
TEXTDESKEW

Fourier Transform

Miscellaneous Utilities

3Dbox Generates a perspective view of a 3D box at any orientation with pictures pasted on each of its sides Generates a perspective view of a 3D box at any orientation with pictures pasted on each of its sides

bevel Applies an inner bevel or outer bevel or emboss effect to an image Applies an inner bevel or outer bevel or emboss effect to an image

adaptivegamma Enhances the contrast/brightness in an image using a locally adaptive gamma method Enhances the contrast/brightness in an image using a locally adaptive gamma method

accentedges Applies accented edges to an image Applies accented edges to an image

anglegradient Creates a gradient effect at a specific orientation angle Creates a gradient effect at a specific orientation angle

2colorthresh Automatically thresholds an image to binary (b/w) format using an adaptive spatial subdivision color reduction technique Automatically thresholds an image to binary (b/w) format using an adaptive spatial subdivision color reduction technique

denoise Reduces the noise in an image Reduces the noise in an image

camerablur Blurs an image in the frequency domain using an ideal blurring filter for either motion blur or lens defocus Blurs an image in the frequency domain using an ideal blurring filter for either motion blur or lens defocus

3Dtext Converts text into an image with a 3D extrusion effect Converts text into an image with a 3D extrusion effect

3Dcover Wraps an image around the front and left or right side of box viewed in rotated perspective Wraps an image around the front and left or right side of box viewed in rotated perspective

bevelborder Applies a bevel effect to border of an image Applies a bevel effect to border of an image

autogamma Modifies an image to automatically apply a gamma correction Modifies an image to automatically apply a gamma correction

binomial Generates high pass or low pass filtered images based upon convolution kernels whose weights are derived from the binomial coefficients Generates high pass or low pass filtered images based upon convolution kernels whose weights are derived from the binomial coefficients

autocolor Automatically color balances an image Automatically color balances an image

fuzzythresh Automatically thresholds an image to binary (b/w) format using the fuzzy c-means technique Automatically thresholds an image to binary (b/w) format using the fuzzy c-means technique

filmgrain Applies film grain noise to an image Applies film grain noise to an image

cameradeblur Deblurs an image in the frequency domain using an ideal deblurring filter for either motion blur or lens defocus Deblurs an image in the frequency domain using an ideal deblurring filter for either motion blur or lens defocus

adjoin Appends multiple images together with positional justification Appends multiple images together with positional justification

3Dreflection Adds a fading reflection below an image and views it in perspective Adds a fading reflection below an image and views it in perspective

bordereffects Creates various dispersion-like effects in the border of an image Creates various dispersion-like effects in the border of an image

autolevel Modifies an image to automatically stretch the dynamic range between full black and white and automatically apply a gamma correction Modifies an image to automatically stretch the dynamic range between full black and white and automatically apply a gamma correction

binomialedge Sharpens (or blurs) an image near edges using a Binomial shaped filter Sharpens (or blurs) an image near edges using a Binomial shaped filter

autotone Automatically tone balances an image Automatically tone balances an image

isodatathresh Automatically thresholds an image to binary (b/w) format using the isodata technique Automatically thresholds an image to binary (b/w) format using the isodata technique

isonoise Reduces isolated noise in an image Reduces isolated noise in an image

cepstrum Creates the cepstrum to depict the type, amount and orientation of camera type blurring in an image Creates the cepstrum to depict the type, amount and orientation of camera type blurring in an image

autocaption Places text automatically in a specified square size region that has the least color variation Places text automatically in a specified square size region that has the least color variation

3Drotate Applies a perspective distortion to an image by providing three rotation angles, zoom, offsets, background color, perspective exaggeration and auto zoom/centering Applies a perspective distortion to an image by providing three rotation angles, zoom, offsets, background color, perspective exaggeration and auto zoom/centering

bordergrid Creates various grid effects in the border of an image Creates various grid effects in the border of an image

balance Enhances the shadows, midtones and highlight regions of the image Enhances the shadows, midtones and highlight regions of the image

corners Detects corner structures in an image Detects corner structures in an image

autotone2 Automatically tone balances an image Automatically tone balances an image

kapurthresh Automatically thresholds an image to binary (b/w) format using Kapur's entropy technique Automatically thresholds an image to binary (b/w) format using Kapur's entropy technique

kuwahara Applies a Kuwahara type edge preserving noise reduction filter to an image Applies a Kuwahara type edge preserving noise reduction filter to an image

dotproductcorr Computes the dot product correlation surface to find where a small image best matches within a larger image Computes the dot product correlation surface to find where a small image best matches within a larger image

autolabel Places text automatically in a specified size region that best matches a reference color Places text automatically in a specified size region that best matches a reference color

aspect Resizes an image to a specific size allowing either cropping or padding to deal with the aspect ratio change Resizes an image to a specific size allowing either cropping or padding to deal with the aspect ratio change

bump Applies a hemispherical-like bump distortion to an image Applies a hemispherical-like bump distortion to an image

bcimage Changes the brightness, contrast and/or saturation of an image Changes the brightness, contrast and/or saturation of an image

dog Create an edge extracted image using the difference of two Gaussian blurs. Create an edge extracted image using the difference of two Gaussian blurs.

autowhite Automatically adjusts the white balance of an image Automatically adjusts the white balance of an image

kmeansthresh Automatically thresholds an image to binary (b/w) format using the k-means technique Automatically thresholds an image to binary (b/w) format using the k-means technique

morphology Performs binary or grayscale morphologic operations on an image, including dilate, erode, open and close Performs binary or grayscale morphologic operations on an image, including dilate, erode, open and close

fftconvol Performs convolution on an image in the frequency domain Performs convolution on an image in the frequency domain

bumptext Applies a raised text effect onto an image Applies a raised text effect onto an image

aspectcrop Crops an image to a specified aspect ratio Crops an image to a specified aspect ratio

collage Creates a multi-variant collage of the input image Creates a multi-variant collage of the input image

clip Stretches the channels of an image to full black and white according to a clip amount on each end of the histogram Stretches the channels of an image to full black and white according to a clip amount on each end of the histogram

dog Create an edge extracted image using the difference of two Gaussian blurs. Create an edge extracted image using the difference of two Gaussian blurs.

color2alpha Creates a ramped alpha channel from the input image according to the specified color Creates a ramped alpha channel from the input image according to the specified color

localthresh Automatically thresholds an image to binary (b/w) format using a moving window adaptive thresholding approach Automatically thresholds an image to binary (b/w) format using a moving window adaptive thresholding approach

noisecleaner Iteratively cleans noise from an image Iteratively cleans noise from an image

fftdeconvol Performs deconvolution on an image in the frequency domain Performs deconvolution on an image in the frequency domain

captcha Creates a six-alphanumeric-character image for use as a challenge response test Creates a six-alphanumeric-character image for use as a challenge response test

aspectpad Pads an image with a color to a specified aspect ratio and orientation Pads an image with a color to a specified aspect ratio and orientation

contour Applies a contour outline to the image content Applies a contour outline to the image content

curves Generate a smoothly interpolated, curved mapping look up table from a set of break points and applies it to an image Generate a smoothly interpolated, curved mapping look up table from a set of break points and applies it to an image

derivative Applies a first directional derivative filter to an image Applies a first directional derivative filter to an image

color2gray Mixes the color channels from an image into a single grayscale image using a weighted combination Mixes the color channels from an image into a single grayscale image using a weighted combination

otsuthresh Automatically thresholds an image to binary (b/w) format using Otsu's between class variance technique Automatically thresholds an image to binary (b/w) format using Otsu's between class variance technique

perlin Creates an image composed of Perlin type noise Creates an image composed of Perlin type noise

fftfilter Performs filtering on an image in the frequency domain Performs filtering on an image in the frequency domain

cartoon Creates a cartoon-like appearance to an image Creates a cartoon-like appearance to an image

autotrim Automatically trims the background border around a normally oriented or rotated image Automatically trims the background border around a normally oriented or rotated image

crosshatch Applies a crosshatch effect to an image Applies a crosshatch effect to an image

dualtonemap Enhances the shadows and/or highlight regions in an image Enhances the shadows and/or highlight regions in an image

edgefx Extracts the edges in an image and optionally composes them with the image to create interesting effects Extracts the edges in an image and optionally composes them with the image to create interesting effects

coloration Mixes the color channels from an image into a grayscale image and then tints it Mixes the color channels from an image into a grayscale image and then tints it

ptilethresh Automatically thresholds an image to binary (b/w) format at a specified percentile on the cumulative histogram Automatically thresholds an image to binary (b/w) format at a specified percentile on the cumulative histogram

statsfilt Computes various localized (neighborhood) statistical filters on an image Computes various localized (neighborhood) statistical filters on an image

normcrosscorr Computes the normalized cross correlation surface to find where a small image best matches within a larger image Computes the normalized cross correlation surface to find where a small image best matches within a larger image

chrome Applies a chrome effect to a binary image Applies a chrome effect to a binary image

bilinearwarp Generates a proper four-point bilinear warp of the input image Generates a proper four-point bilinear warp of the input image

davehilleffect Applies a DaveHill-like effect to an image Applies a DaveHill-like effect to an image

duotonemap Enhances the shadows and/or highlight regions in an image Enhances the shadows and/or highlight regions in an image

edges Applies edge extraction to image Applies edge extraction to image

colorbalance Manually color balances an image in midtones, highlights, shadows or overall Manually color balances an image in midtones, highlights, shadows or overall

sahoothresh Automatically thresholds an image to binary (b/w) format using Sahoo's entropy technique Automatically thresholds an image to binary (b/w) format using Sahoo's entropy technique

notch Creates and applies a notch filter to an image in the frequency domain to remove dither patterns and other regular noise patterns Creates and applies a notch filter to an image in the frequency domain to remove dither patterns and other regular noise patterns

cone Draws a cone-shaped object on an image Draws a cone-shaped object on an image

bubblewarp Applies or reverses a warp of an image onto a bubble Applies or reverses a warp of an image onto a bubble

dice Randomly rotates each successive square-sized patch in the image. Randomly rotates each successive square-sized patch in the image.

endpoints Applies a Photoshop-like curves operation on an image that only adjusts the linear endpoints Applies a Photoshop-like curves operation on an image that only adjusts the linear endpoints

enrich Enhances an image by high pass filtering and composition Enhances an image by high pass filtering and composition

colorbalance2 Manually color balances an image in midtones, highlights, or shadows Manually color balances an image in midtones, highlights, or shadows

separate Identifies each separate white shape in a binary image Identifies each separate white shape in a binary image

phasecorr Computes the phase correlation surface to find where a small image best matches within a larger image Computes the phase correlation surface to find where a small image best matches within a larger image

cosinebell Creates a cosine-bell-shaped tapered alpha channel in an image and optionally blends the image into a background image Creates a cosine-bell-shaped tapered alpha channel in an image and optionally blends the image into a background image

centertrim Trims an image so as to preserve the image center Trims an image so as to preserve the image center

disperse Applies a dispersion effect to an image Applies a dispersion effect to an image

exposure Changes the exposure level of an image Changes the exposure level of an image

gaussian Generates high pass or low pass filtered images based upon a Gaussian shaped convolution. Generates high pass or low pass filtered images based upon a Gaussian shaped convolution.

colorboost Enhances the color in an under saturated image Enhances the color in an under saturated image

textcleaner Processes a scanned document of text to clean the text background Processes a scanned document of text to clean the text background

rmsecorr Computes the root mean squared correlation surface to find where a small image best matches within a larger image Computes the root mean squared correlation surface to find where a small image best matches within a larger image

cumhist Creates the combined grayscale cumulative histogram of one or more images Creates the combined grayscale cumulative histogram of one or more images

conformal Applies a conformal mapping to an image Applies a conformal mapping to an image

draganeffect Applies a Dragan-like effect to an image to enhance wrinkles creating a 'gritty' effect Applies a Dragan-like effect to an image to enhance wrinkles creating a 'gritty' effect

histmatch Modifies one image to try to match its histogram and optionally saturation to that of another image Modifies one image to try to match its histogram and optionally saturation to that of another image

gaussianedge Sharpens (or blurs) an image near edges using a Gaussian shaped filter Sharpens (or blurs) an image near edges using a Gaussian shaped filter

colorcells Randomly modifies the color of rectangular cells of an image Randomly modifies the color of rectangular cells of an image

trianglethresh Automatically thresholds an image to binary (b/w) format using the triangle technique Automatically thresholds an image to binary (b/w) format using the triangle technique

spectrum Computes the spectrum image from the magnitude of the Fourier Transform of an image Computes the spectrum image from the magnitude of the Fourier Transform of an image

entropy Computes the normalized entropy of an image channel-by-channel Computes the normalized entropy of an image channel-by-channel

cube2sphericalpano Transforms 6 cube face images into a spherical panorama image Transforms 6 cube face images into a spherical panorama image

emboss Applies an emboss effect to an image Applies an emboss effect to an image

kneemap Creates a symmetric soft knee-shaped curved mapping look up table and applies it to an image Creates a symmetric soft knee-shaped curved mapping look up table and applies it to an image

gradient Applies a gradient filter to an image. Applies a gradient filter to an image.

colorconverter To convert any valid ImageMagick color specification to the other ImageMagick color representations To convert any valid ImageMagick color specification to the other ImageMagick color representations

whiteboard Processes a picture of a whiteboard to clean up the background and correct the perspective Processes a picture of a whiteboard to clean up the background and correct the perspective

feather Feathers (smoothes) the white-to-black transition in a binary mask image Feathers (smoothes) the white-to-black transition in a binary mask image

cylinderize Applies a cylinder distortion to an image so that the image is wrapped about the cylinder Applies a cylinder distortion to an image so that the image is wrapped about the cylinder

embroidery Applies an embroidery effect to each color in an image Applies an embroidery effect to each color in an image

levels Applies a Photoshop-like levels operation on an image Applies a Photoshop-like levels operation on an image

houghlines Uses the Hough Transform technique to compute and display straight lines from a binary edge image Uses the Hough Transform technique to compute and display straight lines from a binary edge image

colorcoords Locates in the image the first location and/or last location for the closest pixel within the fuzz value to the color specified Locates in the image the first location and/or last location for the closest pixel within the fuzz value to the color specified

flicker Displays and optionally save an animation of the input images Displays and optionally save an animation of the input images

cylinderwarp Applies a cylinder distortion to an image using a displacement map and arguments provided by the script cylinderize Applies a cylinder distortion to an image using a displacement map and arguments provided by the script cylinderize

frosted Applies a frosted glass effect to an image Applies a frosted glass effect to an image

matchimage Matches the brightness and contrast of one image to another image Matches the brightness and contrast of one image to another image

laplacian Applies a laplacian filter to an image Applies a laplacian filter to an image

colorfilter Applies a photographic color filter to an image Applies a photographic color filter to an image

flickerchannel Displays and optionally save an animation of the channels in an image Displays and optionally save an animation of the channels in an image

defisheye Corrects for fisheye distortion in an image Corrects for fisheye distortion in an image

furrowed Applies a furrowed-looking effect to an image to enhance wrinkles creating a "gritty" look Applies a furrowed-looking effect to an image to enhance wrinkles creating a "gritty" look

omnistretch Enhances the dynamic range of brightness values and optionally saturation values in an image Enhances the dynamic range of brightness values and optionally saturation values in an image

polarblur Applies a polar blur to an image Applies a polar blur to an image

colorfulness Computes a metric that represents the colorfulness of an image Computes a metric that represents the colorfulness of an image

grid Superimposes a set of horizontal and/or vertical grid lines on an image Superimposes a set of horizontal and/or vertical grid lines on an image

diagcollage Collages three images in a diagonal orientation Collages three images in a diagonal orientation

fxtransitions Creates an animated transition between two images using a special effect distortion Creates an animated transition between two images using a special effect distortion

pseudocolor Generates a pseudocolored image or pseudocolored animation from grayscale image using a rainbow colored transformation Generates a pseudocolored image or pseudocolored animation from grayscale image using a rainbow colored transformation

posteredges Applies posterized edges to an image Applies posterized edges to an image

colorglow Applies a color glow effect to an image Applies a color glow effect to an image

histcompare Computes one of several metrics characterizing the difference between the histograms of two images Computes one of several metrics characterizing the difference between the histograms of two images

downsize Downsizes (reduces) an image to a specified file size Downsizes (reduces) an image to a specified file size

glasseffects Modifies an image so that it appears to be viewed through textured and/or tiled glass Modifies an image so that it appears to be viewed through textured and/or tiled glass

plm Generates a piece-wise linear mapping grayscale look up table and applies it to an image Generates a piece-wise linear mapping grayscale look up table and applies it to an image

sharp Adaptively sharpens an image or extract edges Adaptively sharpens an image or extract edges

colorspectrum Generates a spectrum-like image from the colors in an image Generates a spectrum-like image from the colors in an image

histog Generates an output image which is composed of the histograms from each channel of the input image Generates an output image which is composed of the histograms from each channel of the input image

fisheye Applies a fisheye distortion to an image Applies a fisheye distortion to an image

glow Creates a glowing effect in an image Creates a glowing effect in an image

redist Modifies an image so that its (grayscale) histogram has a either Gaussian, distribution or a Uniform Distribution Modifies an image so that its (grayscale) histogram has a either Gaussian, distribution or a Uniform Distribution

sharpedge Adaptively sharpens (or blurs) an image near edges Adaptively sharpens (or blurs) an image near edges

colortemp Transforms an image's overall color balance according to a desired color temperature change Transforms an image's overall color balance according to a desired color temperature change

interleave Interleaves the channels of a single image or each image of a set of multiple images Interleaves the channels of a single image or each image of a set of multiple images

fisheye2pano Generates a strip panoramic image from a linear type fisheye image with optional vertical perspective correction Generates a strip panoramic image from a linear type fisheye image with optional vertical perspective correction

halo Applies a circular halo to an image Applies a circular halo to an image

retinex Enhances detail and color in an image using the multiscale retinex algorithm Enhances detail and color in an image using the multiscale retinex algorithm

variableblur Applies a variable blur to an image based upon a mask image Applies a variable blur to an image based upon a mask image

colortoning Color tones an image in highlights and/or shadows and/or overall Color tones an image in highlights and/or shadows and/or overall

interweave Interleaves two images together in swaths Interleaves two images together in swaths

fisheye2rect Generates a perspective (rectilinear) image from a region of a vertically viewed fisheye image Generates a perspective (rectilinear) image from a region of a vertically viewed fisheye image

imageborder Appends an image border by extending the outer regions of the image Appends an image border by extending the outer regions of the image

shadowhighlight Adjusts the tone in shadow and highlight areas of an image Adjusts the tone in shadow and highlight areas of an image

zerocrossing Applies a zero crossing edge detector to an image Applies a zero crossing edge detector to an image

dominantcolor Finds the dominant color in an image Finds the dominant color in an image

juliaset Creates a julia set fractal image Creates a julia set fractal image

hexagons Creates a hexagonal grid of the randomly rotated input image Creates a hexagonal grid of the randomly rotated input image

kaleidoscope Applies a kaleidoscope effect to an image Applies a kaleidoscope effect to an image

sigmoidal Applies a sigmoidal brightness and/or contrast adjustment to an image Applies a sigmoidal brightness and/or contrast adjustment to an image

zoomblur Applies a radial or zoom blur to an image Applies a radial or zoom blur to an image

enhancelab Applies brightness/contrast/colorization enhancement on an image via LAB colorspace Applies brightness/contrast/colorization enhancement on an image via LAB colorspace

magicwand Isolates a contiguous region of an image based upon a color determined from a user specified image coordinate Isolates a contiguous region of an image based upon a color determined from a user specified image coordinate

innercrop Crops an image to a rectangle that will just trim any irregularly shaped outer boundary color Crops an image to a rectangle that will just trim any irregularly shaped outer boundary color

kaleidoscopic Applies a kaleidoscope effect to an image Applies a kaleidoscope effect to an image

space Applies a spatially adaptive contrast (and brightness) enhancement filter to an image Applies a spatially adaptive contrast (and brightness) enhancement filter to an image

graytoning Mixes color channels from an image into a grayscale image and optionally tints it Mixes color channels from an image into a grayscale image and optionally tints it

mandala Creates a Mandala type image from simple graphic figures Creates a Mandala type image from simple graphic figures

limitedtrim Trims an image on all sides to a maximum amount specified by the user Trims an image on all sides to a maximum amount specified by the user

lichtenstein Applies a Roy Lichtenstein newspaper cartoon effect to an image Applies a Roy Lichtenstein newspaper cartoon effect to an image

space2 Applies a spatially adaptive contrast (and brightness) enhancement filter to an image Applies a spatially adaptive contrast (and brightness) enhancement filter to an image

huemap Transforms the hues in an image from one range to another Transforms the hues in an image from one range to another

mandalascope Converts an image into a mandala-like kaleidoscope image Converts an image into a mandala-like kaleidoscope image

lupe Applies a magnifying glass effect in a local area of an image Applies a magnifying glass effect in a local area of an image

lucisarteffect Applies a LucisArt-like effect to an image Applies a LucisArt-like effect to an image

stretch Modifies an image to automatically stretch the dynamic range between full black and white Modifies an image to automatically stretch the dynamic range between full black and white

isolatecolor Isolates a particular color in an image Isolates a particular color in an image

mandelbrot Creates a mandelbrot set fractal image Creates a mandelbrot set fractal image

meshwarp Warps an image according to a user supplied triangular mesh Warps an image according to a user supplied triangular mesh

melt Creates a melting-like blur effect in an image Creates a melting-like blur effect in an image

tonemap1 Enhances the shadows and/or highlight regions in an image using a non-linear log or gamma function Enhances the shadows and/or highlight regions in an image using a non-linear log or gamma function

kmeans Applies k-means color reduction to an image Applies k-means color reduction to an image

maxima Locates one or more local maxima in a grayscale image Locates one or more local maxima in a grayscale image

multicrop Crops and unrotates multiple images from a scanned image Crops and unrotates multiple images from a scanned image

mirrorize Creates a mirror effect in an image Creates a mirror effect in an image

tonemap2 Enhances the shadows and/or highlight regions in an image using a non-linear log or gamma function plus an extra processing function Enhances the shadows and/or highlight regions in an image using a non-linear log or gamma function plus an extra processing function

levelcolors Applies a color level transformation to an image channel-by-channel Applies a color level transformation to an image channel-by-channel

median Computes the median value of an image Computes the median value of an image

multicrop2 Crops and unrotates multiple images from a scanned image Crops and unrotates multiple images from a scanned image

mosaictiles Applies a mosaic tiles effect to image Applies a mosaic tiles effect to image

tonemap3 Enhances the shadows and/or highlight regions in an image using a non-linear log or gamma function plus an extra processing function Enhances the shadows and/or highlight regions in an image using a non-linear log or gamma function plus an extra processing function

locatecolors Modifies an image showing only those pixels which are within the specified color range Modifies an image showing only those pixels which are within the specified color range

mesmerize Creates a mesmerizing animation from an image Creates a mesmerizing animation from an image

outfit Transforms a pattern image to place it over an image of some piece of clothing or outfit Transforms a pattern image to place it over an image of some piece of clothing or outfit

mottle Applies various mottle effects to an image Applies various mottle effects to an image

tonemap4 Enhances the shadows and/or highlight regions in an image using a dual gamma function plus an extra processing function Enhances the shadows and/or highlight regions in an image using a dual gamma function plus an extra processing function

mapcolors Maps or translates one set of colors in an image to another set of colors Maps or translates one set of colors in an image to another set of colors

mode Computes the mode value of an image Computes the mode value of an image

outfitwarper Transforms a pattern image to place it over an image of some piece of clothing or outfit using a lighting file, a displacement map a mask and arguments provided by the script outfit Transforms a pattern image to place it over an image of some piece of clothing or outfit using a lighting file, a displacement map a mask and arguments provided by the script outfit

nightvision Simulates a picture as viewed through night vision goggles Simulates a picture as viewed through night vision goggles

xposure Changes the exposure level of an image by photographic stops Changes the exposure level of an image by photographic stops

maxrgb Converts an RGB image to keep only the channel with the maximum value at each pixel Converts an RGB image to keep only the channel with the maximum value at each pixel

moments Computes shift, scale and rotation invariant image moments as well as elliptical shape descriptors Computes shift, scale and rotation invariant image moments as well as elliptical shape descriptors

overlapcrop Creates a sequence of cropped subsections permitting optional overlap of the subsections Creates a sequence of cropped subsections permitting optional overlap of the subsections

ortoneffect Applies an Orton effect to an image Applies an Orton effect to an image

midtonebalance Color balances an image in the midtones in a manner similar to Photoshop Color balances an image in the midtones in a manner similar to Photoshop

multigradient Creates either a linear or radial gradient image with two or more color stops Creates either a linear or radial gradient image with two or more color stops

pano2fisheye Transforms a spherical panorama to a fisheye view Transforms a spherical panorama to a fisheye view

pagecurl Applies a pagecurl effect to the lower right corner of an image Applies a pagecurl effect to the lower right corner of an image

modulatecolor1 Changes brightness, saturation and/or hue for any primary or secondary color in an image Changes brightness, saturation and/or hue for any primary or secondary color in an image

neg2pos Converts from a (scanned film) negative image to a positive image Converts from a (scanned film) negative image to a positive image

pano2rect Applies vertical perspective correction to an angular panoramic image Applies vertical perspective correction to an angular panoramic image

pagepeel Applies a pagepeel effect to the lower right corner of an image Applies a pagepeel effect to the lower right corner of an image

modulatecolor2 Changes brightness, saturation and/or hue for any primary or secondary color in an image Changes brightness, saturation and/or hue for any primary or secondary color in an image

negative2positive Converts from a (scanned film) negative image to a positive image Converts from a (scanned film) negative image to a positive image

peelingpaint Applies a peeling paint effect to an image Applies a peeling paint effect to an image

painteffect Applies a paint type effect to an image Applies a paint type effect to an image

nearestcolor Finds the nearest color value in an image to a reference color Finds the nearest color value in an image to a reference color

phashcompare Compares two 168 digit phash strings to compute a phash metric Compares two 168 digit phash strings to compute a phash metric

pinbarrel Applies or corrects pincushion and/or barrel lens distortion to an image Applies or corrects pincushion and/or barrel lens distortion to an image

perforations Applies film-like perforations to two opposite edges of an image Applies film-like perforations to two opposite edges of an image

plmlut Generates a piece-wise linear mapping grayscale look up table Generates a piece-wise linear mapping grayscale look up table

phashconvert Converts the 42 phash float values for an image to a string of 168 digits Converts the 42 phash float values for an image to a string of 168 digits

polar Applies either a rectangular (cartesian) to polar transformation or a polar to rectangular (cartesian) transformation on an image Applies either a rectangular (cartesian) to polar transformation or a polar to rectangular (cartesian) transformation on an image

picturefold Applies a map-like folded appearance to an image Applies a map-like folded appearance to an image

popart Creates a pop art style image Creates a pop art style image

picframe Adds a picture frame around an image Adds a picture frame around an image

polyring Creates a polygon ring image from one or more images Creates a polygon ring image from one or more images

pip Creates a picture-in-picture effect Creates a picture-in-picture effect

redeye Removes redeye from an image Removes redeye from an image

plot Generates a profile of an image row or column or an image histogram. Generates a profile of an image row or column or an image histogram.

rotate3D Applies a perspective distortion to an image by providing three rotation angles and an optional perspective exaggeration Applies a perspective distortion to an image by providing three rotation angles and an optional perspective exaggeration

pixelize Creates a pixelized or blocky effect in an image Creates a pixelized or blocky effect in an image

remap Remaps the colors in an image using a 3D color distance metric relative to a color table map image Remaps the colors in an image using a 3D color distance metric relative to a color table map image

plot3D Generates a 3D plot of a single channel or grayscale image Generates a 3D plot of a single channel or grayscale image

shapemorph Create a shape morphing animation sequence between two images Create a shape morphing animation sequence between two images

postagestamp Applies a perforated postage stamp like border around an image Applies a perforated postage stamp like border around an image

removecolorcast Removes a color cast from an image Removes a color cast from an image

profile Generates a profile of an image row or column Generates a profile of an image row or column

shapemorph2 Create a shape morphing animation sequence between two images Create a shape morphing animation sequence between two images

puzzle Applies a puzzle like effect to an image Applies a puzzle like effect to an image

replacecolor Changes one color to another color in an image Changes one color to another color in an image

radialgradient Creates a radial gradient image Creates a radial gradient image

skew Applies a skew distortion to an image Applies a skew distortion to an image

randomclipart Randomly distributes clip art over the image Randomly distributes clip art over the image

saturation Changes the color saturation in an image Changes the color saturation in an image

radialgrid Superimposes circular grid lines on an image Superimposes circular grid lines on an image

smartcrop Automatically crops an image to a given size around the hightest detail region Automatically crops an image to a given size around the hightest detail region

recursion Creates a recursive affine composite effect in an image Creates a recursive affine composite effect in an image

scatter Generates a channel-by-channel scatter diagram between two images. Generates a channel-by-channel scatter diagram between two images.

randomblob Creates an image composed of a moderate sized black random blob shape on a white background Creates an image composed of a moderate sized black random blob shape on a white background

smarttrim Automatically trims an image around the region of highest detail in the image Automatically trims an image around the region of highest detail in the image

reflect Splits an image, reflects each side and appends them to form horizontally symmetric images Splits an image, reflects each side and appends them to form horizontally symmetric images

scatterchannels Generates a scatter diagram between channels of an image Generates a scatter diagram between channels of an image

similar Computes the normalized cross correlation similarity metric between two equal dimensioned images Computes the normalized cross correlation similarity metric between two equal dimensioned images

sphere Creates a colored sphere with a combination of diffuse and specular illumination Creates a colored sphere with a combination of diffuse and specular illumination

ripples Applies various circular ripple effects to an image Applies various circular ripple effects to an image

slice Thresholds an image (inclusively) between a range of graylevels and optionally colorizes inside and/or outside the threshold range Thresholds an image (inclusively) between a range of graylevels and optionally colorizes inside and/or outside the threshold range

splitimage Generates a side-by-side append of two partial images with an option to animate the amount of each image used in the append Generates a side-by-side append of two partial images with an option to animate the amount of each image used in the append

sphericalpano2cube Transforms a spherical panorama into a cubical representation Transforms a spherical panorama into a cubical representation

screeneffects Applies screen-like effects to an image Applies screen-like effects to an image

spectrumhist Creates either a color spectrum or histogram of the colors in an image Creates either a color spectrum or histogram of the colors in an image

ssim Computes the structural similarity metric between two equal sized images Computes the structural similarity metric between two equal sized images

sphericalpano2rect Generate a perspective (rectilinear) image from a region of a spherical panorama image Generate a perspective (rectilinear) image from a region of a spherical panorama image

shadows Applies drop shadows to an image that has an alpha channel Applies drop shadows to an image that has an alpha channel

splittone1 Applies a color splittone effect to an image Applies a color splittone effect to an image

stdimage Computes a pixel-by-pixel standard deviation or variance image from multiple input images Computes a pixel-by-pixel standard deviation or variance image from multiple input images

spherize Warps an image onto a (hemi-)sphere Warps an image onto a (hemi-)sphere

shapecluster Creates a division of the image into 5 separated rectangular regions Creates a division of the image into 5 separated rectangular regions

splittone2 Applies a color splittone effect to an image Applies a color splittone effect to an image

texteffect Convert text to an image after applying various effects, styling and color Convert text to an image after applying various effects, styling and color

splitcrop Crops an image into two or four sections according to the given x,y coordinates Crops an image into two or four sections according to the given x,y coordinates

shuffle Randomly shuffles positions of square sized tiles in an image Randomly shuffles positions of square sized tiles in an image

splittone3 Applies a color splittone effect to an image Applies a color splittone effect to an image

texteffect2 Converts large size text to an image with color, effects and styling Converts large size text to an image with color, effects and styling

squareup Resizes an image and squares it up either by padding or cropping Resizes an image and squares it up either by padding or cropping

sketch Applies a sketch effect to an image Applies a sketch effect to an image

tintilize Applies a color tint to the mid-range of a grayscale image Applies a color tint to the mid-range of a grayscale image

thresholds Applies one or two thresholds to an image. Applies one or two thresholds to an image.

textdeskew Unrotates (deskews) an image containing text Unrotates (deskews) an image containing text

sketcher Applies a sketch effect to an image Applies a sketch effect to an image

transfercolor Transfers the coloring from one image to another image Transfers the coloring from one image to another image

tileimage Tiles an image to a given size with various tile arrangements Tiles an image to a given size with various tile arrangements

tinyplanet Transforms a spherical panorama to a linear fisheye view Transforms a spherical panorama to a linear fisheye view

sketchetch Creates an etch-like sketch from an image. Creates an etch-like sketch from an image.

tricolorize Smoothly colorizes a grayscale image with either one, two or three different colors Smoothly colorizes a grayscale image with either one, two or three different colors

tiler Converts an image into a tilable texture Converts an image into a tilable texture

trimcorners Automatically crops the image to removed rounded corners Automatically crops the image to removed rounded corners

sketching Applies a sketch effect to an image. Applies a sketch effect to an image.

uwcorrect Corrects the color balance for red light attenuation in pictures taken underwater Corrects the color balance for red light attenuation in pictures taken underwater

woodgrain Simulates a woodgrain texture Simulates a woodgrain texture

trimmer Trims the background from any number of specified sides of an image Trims the background from any number of specified sides of an image

slantedlight Applies slanted lighting to an image. Applies slanted lighting to an image.

vibrance Applies a non-linear change to the saturation of an image Applies a non-linear change to the saturation of an image

tshirt Transforms an image to place it in a region of a tshirt image Transforms an image to place it in a region of a tshirt image

softfocus Applies a softfocus effect to an image Applies a softfocus effect to an image

vibrance2 Applies a non-linear change to the chroma channel of an image Applies a non-linear change to the chroma channel of an image

tshirtwarp Transforms an image to place it in a region of a tshirt image using a lighting file, a displacement map and arguments provided by the script tshirt Transforms an image to place it in a region of a tshirt image using a lighting file, a displacement map and arguments provided by the script tshirt

softlight Applies soft light to an image Applies soft light to an image

warholeffect Creates an Andy Warhol style colorization image Creates an Andy Warhol style colorization image

tshirtwarper Transforms an image to place it in a region of a tshirt image using a lighting file, a displacement map and arguments provided by the script tshirt Transforms an image to place it in a region of a tshirt image using a lighting file, a displacement map and arguments provided by the script tshirt

splice Applies a jagged cut and splice effect to an image Applies a jagged cut and splice effect to an image

wavemap Transforms the graylevels in each RGB channel according to a sinusoidal wave function Transforms the graylevels in each RGB channel according to a sinusoidal wave function

turbulence Applies a turbulence-like warping of the image Applies a turbulence-like warping of the image

spots Converts the image into a series of uniform-colored spots Converts the image into a series of uniform-colored spots

whitebalance Transform an image's overall color balance according to a desired change in a specified white point color Transform an image's overall color balance according to a desired change in a specified white point color

turn Simultaneously rotates and crops an image to eliminate any background Simultaneously rotates and crops an image to eliminate any background

stainedglass Applies a stained glass cell effect to an image Applies a stained glass cell effect to an image

unperspective Automatically removes pespective distortion from an image Automatically removes pespective distortion from an image

starburst Applies a starburst pattern to an image Applies a starburst pattern to an image

unrotate Automatically unrotates a rotated image and trims the surrounding border Automatically unrotates a rotated image and trims the surrounding border

striations Applies radial or circular striations to image Applies radial or circular striations to image

stutter Creates a 'stuttered' offset-like effect in an image Creates a 'stuttered' offset-like effect in an image

textdistort Distorts repeated text to warp it to the shape of the image content Distorts repeated text to warp it to the shape of the image content

texturize Creates a texture pattern and optionally applies it to the background of an input image Creates a texture pattern and optionally applies it to the background of an input image

thermography Simulates a picture taken with a thermal imaging camera Simulates a picture taken with a thermal imaging camera

tiltshift Applies a tiltshift effect to an image Applies a tiltshift effect to an image

toon Applies a cartoon effect to an image Applies a cartoon effect to an image

toonify Applies a cartoon effect to an image Applies a cartoon effect to an image

toonizarro Applies a Superman Bizarro-like cartoon effect to an image Applies a Superman Bizarro-like cartoon effect to an image

toycamera Simulates pictures taken by lomographic or holga type toy cameras Simulates pictures taken by lomographic or holga type toy cameras

transitions Applies an animated transition between two images Applies an animated transition between two images

tunnelize Creates a tunnel-like effect on an image Creates a tunnel-like effect on an image

vignette Applies a vignette effect to a picture Applies a vignette effect to a picture

vignette2 Applies a vignette effect to a picture Applies a vignette effect to a picture

vignette3 Applies a vignette effect to a picture Applies a vignette effect to a picture

vintage1 Applies a classic blue-green vintage effect to an image Applies a classic blue-green vintage effect to an image

vintage2 Applies a colorful vintage effect to an image Applies a colorful vintage effect to an image

vintage3 Applies an old, heritage style vintage effect to an image Applies an old, heritage style vintage effect to an image

watercolor Applies a watercolor effect to an image Applies a watercolor effect to an image

woodcut Applies a woodcut effect to an image Applies a woodcut effect to an image