< > BotCompany Repo | #1019591 // integralImage_sumRect - sum of rectangle brightness over integral image

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

Libraryless. Click here for Pure Java version (7302L/43K).

meta-for IIntegralImage in IIntegralImage, IntegralImage {
  // one channel
  static int integralImage_sumRect(IIntegralImage img, int x1, int y1, int x2, int y2, int channel) {
    ret iround(img.rectSum(x1, y1, x2, y2, channel));
  }
  
  // sum all channels. TODO: might exceed int range on huge images
  static int integralImage_sumRect(IIntegralImage img, int x1, int y1, int x2, int y2) {
    ret iround(img.rectSum(x1, y1, x2, y2));
  }
}

Author comment

Began life as a copy of #1009128

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