Lines Matching refs:sum_squared
2125 channel_statistics[channel].sum_squared+=(double) p[i]*p[i]; in GetImageStatistics()
2147 channel_statistics[i].sum_squared*=area; in GetImageStatistics()
2151 channel_statistics[i].variance=channel_statistics[i].sum_squared; in GetImageStatistics()
2182 channel_statistics[CompositePixelChannel].sum_squared+= in GetImageStatistics()
2183 channel_statistics[i].sum_squared; in GetImageStatistics()
2202 channel_statistics[CompositePixelChannel].sum_squared/=channels; in GetImageStatistics()
2222 channel_statistics[i].mean*channel_statistics[i].sum_squared+2.0* in GetImageStatistics()
2229 channel_statistics[i].sum_squared-3.0*channel_statistics[i].mean* in GetImageStatistics()
2879 sum_squared; in GetStandardDeviationPixelList() local
2897 sum_squared=0.0; in GetStandardDeviationPixelList()
2906 sum_squared+=((double) color)*((double) color); in GetStandardDeviationPixelList()
2910 sum_squared/=pixel_list->length; in GetStandardDeviationPixelList()
2911 *pixel=ScaleShortToQuantum((unsigned short) sqrt(sum_squared-(sum*sum))); in GetStandardDeviationPixelList()