Also includes comparison with other color quantization methods, including some lesser known ones.Easy-to-use interface. A Simple - Yet Quite Powerful - Palette Quantizer in C#ĭetails an original color quantization algorithm and associated utility in C#.scolorq: A Spatial Color Quantization UtilityĪn original color quantization algorithm and implementation in C++, specifically tuned for small output color palettes.The basis for the octree optimize palette algorithmĭescribes their variations on median cut and octree color quantization. An Effective Color Quantization Method Using Octree-Based Self-Organizing MapsĪ paper that describes using neural networks to improve octree color quantization.The original paper introducing octree quantization. A Simple Method for Color Quantization: Octree Quantization (PDF).Improving the Performance of K-Means for Color QuantizationĪcademic paper that describes performance and accuracy improvements for k-means color quantization, and compares it to other color quantization methods.Also mentions clustered ordered dithering.īlog post that introduces k-means color quantization and compares results with a randomly generated palette. An Overview of Color Quantization Techniquesĭemonstrates the differences in output between various color quantization algorithms.Includes an example of the spiral ordered dithering matrix which has similar results to the cluster pattern. Clustered-dot-ordered Dither (Power Point).The basis for the clustered ordered dithering matrix University of Wisconsin Madison lecture (Power Point).
#PIXELATOR VS PIXATOOL CODE#
One of the only source code examples I could find for generating a Bayer matrix Bayer Matrix creation function in Python.This blog post from one of the developers of Uncharted 4ĭetails how they used dithering to simulate semi-transparent foliage in front of the camera.Also the source for the Yliluoma 1 and Yliluoma 2 dithering algorithms.
Joel Yliluoma’s arbitrary-palette positional dithering algorithmĪ variation on ordered dithering specifically tuned to give better contrast and color fidelity than classical ordered dithering.The inspiration to port the dithers to WebGL, and the source for the hue-lightness dithering algorithm However, note that while the formula for the Bayer matrix is correct, the example for the 8×8 matrix is not, something that caused me many headaches. Good introduction to ordered dithering with Bayer matrix examples and formula. Also contains an overview of other dithering methods.Ĭompares adapting thresholding with classical threshold algorithmĭescribes the creator of Return of the Obra Dinn’s process for making an image dithering visual effect that would remain stable even when the player moves the camera Had some interesting, original approachesĭescribes converting a texture into dither matrix, as well as the Veryovka-Buchanan dithering method. This codegolf challenge to dither an image.FFmpeg CVS Commit: add two spatially stable dithering methodsĬommit where a dither was integrated into FFmpeg with description of its advantagesĭescription of an original approach to error diffusion dithering using a Hilbert curve.Also is the source for the halftone ordered dither pattern.
#PIXELATOR VS PIXATOOL SERIES#
Very thorough series of chapters on different aspects of dithering, including lesser known variations on ordered and error diffusion dithering.
The article that served as the original inspiration for Dithermark
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