< > BotCompany Repo | #1025466 // ii_twoByTwoVariation - average color distance of 2x2 subcells to whole section

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (5485L/36K).

// returns value from 0 to 1
static double ii_twoByTwoVariation(IntegralImage ii, DoubleRect r) {
  RGB col = ii_averageColorOfArea(ii, r);
  double sum = 0;
  for (RGB col2 : pairsB(ii_scanGrid(ii, 2, 2)))
    sum += rgbDiff(col, col2);
  ret sum/4;
}

static double ii_twoByTwoVariation(IntegralImage ii) {
  ret ii_twoByTwoVariation(ii, doubleRect(ii.getWidth(), ii.getHeight()));
}

Author comment

Began life as a copy of #1025258

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Travelled to 6 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt

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