Fred's ImageMagick Scripts
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Applies a perspective distortion to an image by providing rotation angles, zoom and offsets.
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original |
modified |
pan=45 degrees |
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Resizes an image to a specific size allowing either cropping or padding to deal with the aspect ratio change.
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original |
cropped |
padded |
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Automatically trim the background border around a normally oriented or rotated image.
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original |
trimmed |
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Changes the brightness, contrast and/or saturation of an image
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mapping graph |
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Generates high pass or low pass filtered images using a convolution kernel whose weights are derived from the binomial coefficients.
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original |
high pass |
low pass |
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Sharpens (or blurs) an image near edges using a Binomial shaped filter.
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original |
sharpening |
sharpening |
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Applies or reverses a warp of an image onto a bubble.
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original |
polar warp |
rect warp |
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Transforms an image's overall color balance according to a desired color temperature change.
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original |
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Transforms an image's overall color balance according to a desired color temperature change.
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original |
5000 deg K |
8000 deg K |
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Corrects for fisheye distortion in an image.
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original |
corrected |
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Applies a first directional derivative filter to an image to extract certain edges.
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original |
45 degree |
225 degree |
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Feathers (smoothes) the white-to-black transition in a binary mask image.
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binary |
feathered |
feathered composite |
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Applies a fisheye distortion to an image.
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original |
linear |
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Displays and optionally save an animation of the input images.
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original |
sharpened |
flicker |
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Displays and optionally save an animation of the channels in an image.
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rgb |
hsl |
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Generates high pass or low pass filtered images based upon a Gaussian shaped convolution.
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original |
high pass |
low pass |
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Sharpens (or blurs) an image near edges using a Gaussian shaped filter.
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original |
sharpening |
sharpening |
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Applies a gradient filter to an image to extract edges.
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original |
gradient |
gradient |
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Superimposes a set of horizontal and/or vertical grid lines on an image.
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original |
black |
white |
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Generates an output image which is composed of the histograms from each channel of the image, with options for labeling and color presentation scheme.
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original |
histogram |
histogram |
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Reduces isolated noise in an image.
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noisy image |
isonoise filtered |
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Applies a laplacian filter to an image to extract edges or sharpen the image.
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original |
sharpened |
laplacian |
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Applies a magnifying glass effect in a local area of an image.
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original |
circle |
square |
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Isolates a contiguous region of an image based upon a color determined from a user specified image coordinate.
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original |
color |
boundary |
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Performs binary or grayscale morphologic operations on an image, including dilate, erode, open and close.
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original |
close |
open |
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Enhances the dynamic range of brightness values and optionally saturation values in an image by analyzing and linearly stretching the image's histogram.
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mapping graph |
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Adds a picture frame around an image
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framed |
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Applies or corrects pincushion and/or barrel lens distortion to an image
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Creates a pixelized or blocky effect in an image
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original |
size 5 |
size 7 |
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Generates and applies a piece-wise linear mapping look up table to an image
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mapping graph |
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Generates a piece-wise linear mapping look up table (image)
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mapping graph |
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Generates a profile of an image row or column.
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original |
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Generates a pseudocolored image or pseudocolored animation from a grayscale image using a rainbow colored transformation.
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original |
pseudocolor |
look up table |
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Modifies an image so that its (grayscale) histogram has a Gaussian,
sometimes called normal or bell-shaped, distribution.
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original |
enhanced |
modified |
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Enhances detail and color in an image using the multiscale retinex algorithm.
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original |
enhanced |
enhanced |
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Applies a perspective distortion to an image by providing rotation angles and automatically scale to the same size as the input image
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original |
modified |
pan=45 degrees |
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Changes the color saturation in an image.
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original |
increased |
decreased |
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Adaptively sharpens an image or extract edges.
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original |
sharpening |
edge |
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Adaptively sharpens (or blurs) an image near edges.
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original |
sharpening |
sharpening |
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Applies a spatially adaptive contrast (and brightness) enhancement filter to an image.
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original |
adaptively |
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Generates a side-by-side append of two partial images with an option to animate the amount of each image used in the append.
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original |
pseudocolor |
animation |
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Resizes an image and squares it up either by padding or cropping.
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original |
pad |
crop |
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Applies various statistical filters primarily to reduce noise in an image.
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noisy |
arithmetic mean |
arithmetic mean |
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Creates a 'stuttered' offset-like effect in an image
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original |
horizontal |
vertical |
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Convert text to an image after applying various effects, styling and color.
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Bulge Effect | |||
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Creates a tunnel-like effect on an image
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original |
mode 1 |
mode 2 |
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Automatically unrotates a rotated image and trims the surrounding border.
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rotated |
unrotated |
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Transform an image's overall color balance according to a desired change in a specified white point color.
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original |
modified |
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OTHER USEFUL SCRIPTS Anthony Thyssen's Image Comparison Animation Script |
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USEFUL LINKS ImageMagick Pseudo-Image Formats |
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USEFUL IMAGEMAGICK INFORMATION COMMANDS (as of IM 6.3.5.7) |
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| convert -list | list all functions |
| convert -list list | list all -list options |
| convert -list channel | list of all image -channel options |
| convert -list color | list of all color names and values |
| convert -list colorspace | list of all -colorspace options |
| convert -list compose | list of all -compose options |
| convert -list configure | list of your IM version information |
| convert -list decoration | list of all text decorations |
| convert -list filter | list of all -filter options |
| convert -list font | list of all supported fonts (on your system) |
| convert -list format | list of all image formats |
| convert -list gravity | list of all -gravity positioning options |
| convert -list primitive | list of all -draw primitive shapes |
| convert -list style | list of all text styles |
| convert -list threshold | list of all dither/halftone options |
| convert -list type | list of all image types |
| convert -list virtual-pixel | list of all -virtual-pixel options |
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TESTS USING IM Perfectly Clear™ Versus Other Advanced Enhancement Techniques |