Core Image Filter Explorer & Showcase
Swift Metal
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README.md

Filterpedia

Core Image Filter explorer

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Filterpedia is an iPad app for exploring (almost) the entire range of image filters offered by Apple's Core Image framework. It is designed as a companion app to my upcoming book, Core Image for Swift which is due for publication in February 2016.

The UI is split into two sections: the table view on the left allows the user to navigate through and select a filter, the panel on the right then displays all the parameters of the selected filter which can be adjusted using horizontal sliders.

Filterpedia is also a showcase for custom filters I'm creating that are discussed in the book. These include simple compositions of existing CIFilter, CIKernel based filters using GLSL and filters that use Metal kernel functions as their filtering engine.

Core Image for Swift is available from:

Custom Filters

Filterpedia includes many custom Core Image filters which can be used in other projects. They include:

Advanced Monochrome

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Bleach Bypass

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Carnival Mirror

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Caustic Noise

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Caustic Refraction

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Chromatic Abberation

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Circular Bokeh (with bias)

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CMYK Levels

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CMYK Registration Mismatch

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CMYK Tone Curve

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Color Directed Blur

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Color Swatch from Black Body Temperature

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Color Scalar Noise

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Compound Eye

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Concentric Sine Waves

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Contast Stretch

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Cathode Ray Tube

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Difference of Gaussians

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Eight Bit

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Flame

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Hexagonal Bokeh

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Histogram Equalization

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Histogram Specification

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Homogeneous Color Blur

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Kuwahara

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Lens Flare

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Masked Variable Circular Bokeh

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Masked Variable Hexagonal Bokeh

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Mercurialize

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Metal Perlin Noise

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Metal Pixellate

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Multiband Hue, Saturation & Brightness Controls

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Normal Map

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Polar Pixellate

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Pseudo Color

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Refracted Text

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RGB Brightness & Contrast

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RGB Compositing

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RGB Tone Curve

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Scatter

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Simple Plasma

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Simple Sky Generation

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Sky Generation

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Smooth Threshold

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Starburst

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Technicolor

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Threshold

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Threshold to Alpha

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Transverse Chromatic Aberration

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VHS Tracking Lines

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Voronoi Noise

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