Painting Per-Pixel Parametrization
A photo-editing method that enables per-pixel parameter manipulation of image filtering by means of interactive painting. Predefined as well as custom image filters are exposed to the user, as a parameterizable composition of image operations. Brushes, as a sequences of actions, mapping user input (in terms of brush shape, flow, pressure, etc.) to arbitrary functions or convolution operations, are used to draw within the parameter space.
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