Searched refs:brightness_sum_x2 (Results 1 – 1 of 1) sorted by relevance
94 brightness_sum_x2, in analyzeImage() local129 brightness_sum_x2=0.0; in analyzeImage()172 brightness_sum_x2+=brightness*brightness; in analyzeImage()190 brightness_standard_deviation=sqrt(brightness_sum_x2/area-(brightness_sum_x/ in analyzeImage()198 brightness_sum_x2/area-3.0*brightness_mean*brightness_mean* in analyzeImage()206 brightness_sum_x2/area+2.0*brightness_mean*brightness_mean* in analyzeImage()