6 Commits (b7c2d1f8472111e65e275e98257498f79e2eadf2)

Author SHA1 Message Date
  sam 53268650a7 * dbs.c: generate the initial halftone using random dithering instead of 17 years ago
  sam 18dd51e1a5 * Dithering algorithms no longer modify the original image. 17 years ago
  sam 41efcdecc0 * Prefix dithering functions with _dither_ to avoid namespace cluttering. 17 years ago
  sam a6dcd80490 * dbs.c: optimise DBS by ignoring 16x16 cells that had no pixel changes for 17 years ago
  sam 2a3c7ca990 * dbs.c: improve the DBS human visual system kernel by adding two Gaussian 17 years ago
  sam 628c2618da * dbs.c: new dithering function: Direct Binary Search. One of the best 17 years ago