Crate color_quant
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Color quantization library
This library provides a color quantizer based on the NEUQUANT
Original literature: Dekker, A. H. (1994). Kohonen neural networks for optimal colour quantization. Network: Computation in Neural Systems, 5(3), 351-367. doi: 10.1088/0954-898X_5_3_003
See also https://scientificgems.wordpress.com/stuff/neuquant-fast-high-quality-image-quantization/
Usage
let data = vec![0; 40];
let nq = color_quant::NeuQuant::new(10, 256, &data);
let indixes: Vec<u8> = data.chunks(4).map(|pix| nq.index_of(pix) as u8).collect();
let color_map = nq.color_map_rgba();