Lines Matching refs:channel_statistics
1132 *channel_statistics; in GetImageEntropy() local
1138 channel_statistics=GetImageStatistics(image,exception); in GetImageEntropy()
1139 if (channel_statistics == (ChannelStatistics *) NULL) in GetImageEntropy()
1141 *entropy=channel_statistics[CompositePixelChannel].entropy; in GetImageEntropy()
1142 channel_statistics=(ChannelStatistics *) RelinquishMagickMemory( in GetImageEntropy()
1143 channel_statistics); in GetImageEntropy()
1230 *channel_statistics; in GetImageKurtosis() local
1236 channel_statistics=GetImageStatistics(image,exception); in GetImageKurtosis()
1237 if (channel_statistics == (ChannelStatistics *) NULL) in GetImageKurtosis()
1239 *kurtosis=channel_statistics[CompositePixelChannel].kurtosis; in GetImageKurtosis()
1240 *skewness=channel_statistics[CompositePixelChannel].skewness; in GetImageKurtosis()
1241 channel_statistics=(ChannelStatistics *) RelinquishMagickMemory( in GetImageKurtosis()
1242 channel_statistics); in GetImageKurtosis()
1280 *channel_statistics; in GetImageMean() local
1286 channel_statistics=GetImageStatistics(image,exception); in GetImageMean()
1287 if (channel_statistics == (ChannelStatistics *) NULL) in GetImageMean()
1289 *mean=channel_statistics[CompositePixelChannel].mean; in GetImageMean()
1291 channel_statistics[CompositePixelChannel].standard_deviation; in GetImageMean()
1292 channel_statistics=(ChannelStatistics *) RelinquishMagickMemory( in GetImageMean()
1293 channel_statistics); in GetImageMean()
1922 *channel_statistics; in GetImageStatistics() local
1950 channel_statistics=(ChannelStatistics *) AcquireQuantumMemory( in GetImageStatistics()
1951 MaxPixelChannels+1,sizeof(*channel_statistics)); in GetImageStatistics()
1952 if ((channel_statistics == (ChannelStatistics *) NULL) || in GetImageStatistics()
1957 if (channel_statistics != (ChannelStatistics *) NULL) in GetImageStatistics()
1958 channel_statistics=(ChannelStatistics *) RelinquishMagickMemory( in GetImageStatistics()
1959 channel_statistics); in GetImageStatistics()
1960 return(channel_statistics); in GetImageStatistics()
1962 (void) memset(channel_statistics,0,(MaxPixelChannels+1)* in GetImageStatistics()
1963 sizeof(*channel_statistics)); in GetImageStatistics()
1966 channel_statistics[i].depth=1; in GetImageStatistics()
1967 channel_statistics[i].maxima=(-MagickMaximumValue); in GetImageStatistics()
1968 channel_statistics[i].minima=MagickMaximumValue; in GetImageStatistics()
2004 if (channel_statistics[channel].depth != MAGICKCORE_QUANTUM_DEPTH) in GetImageStatistics()
2006 depth=channel_statistics[channel].depth; in GetImageStatistics()
2012 channel_statistics[channel].depth++; in GetImageStatistics()
2017 if ((double) p[i] < channel_statistics[channel].minima) in GetImageStatistics()
2018 channel_statistics[channel].minima=(double) p[i]; in GetImageStatistics()
2019 if ((double) p[i] > channel_statistics[channel].maxima) in GetImageStatistics()
2020 channel_statistics[channel].maxima=(double) p[i]; in GetImageStatistics()
2021 channel_statistics[channel].sum+=p[i]; in GetImageStatistics()
2022 channel_statistics[channel].sum_squared+=(double) p[i]*p[i]; in GetImageStatistics()
2023 channel_statistics[channel].sum_cubed+=(double) p[i]*p[i]*p[i]; in GetImageStatistics()
2024 channel_statistics[channel].sum_fourth_power+=(double) p[i]*p[i]*p[i]* in GetImageStatistics()
2026 channel_statistics[channel].area++; in GetImageStatistics()
2027 if ((double) p[i] < channel_statistics[CompositePixelChannel].minima) in GetImageStatistics()
2028 channel_statistics[CompositePixelChannel].minima=(double) p[i]; in GetImageStatistics()
2029 if ((double) p[i] > channel_statistics[CompositePixelChannel].maxima) in GetImageStatistics()
2030 channel_statistics[CompositePixelChannel].maxima=(double) p[i]; in GetImageStatistics()
2033 channel_statistics[CompositePixelChannel].sum+=(double) p[i]; in GetImageStatistics()
2034 channel_statistics[CompositePixelChannel].sum_squared+=(double) in GetImageStatistics()
2036 channel_statistics[CompositePixelChannel].sum_cubed+=(double) in GetImageStatistics()
2038 channel_statistics[CompositePixelChannel].sum_fourth_power+=(double) in GetImageStatistics()
2040 channel_statistics[CompositePixelChannel].area++; in GetImageStatistics()
2050 area=PerceptibleReciprocal(channel_statistics[i].area); in GetImageStatistics()
2051 channel_statistics[i].sum*=area; in GetImageStatistics()
2052 channel_statistics[i].sum_squared*=area; in GetImageStatistics()
2053 channel_statistics[i].sum_cubed*=area; in GetImageStatistics()
2054 channel_statistics[i].sum_fourth_power*=area; in GetImageStatistics()
2055 channel_statistics[i].mean=channel_statistics[i].sum; in GetImageStatistics()
2056 channel_statistics[i].variance=channel_statistics[i].sum_squared; in GetImageStatistics()
2057 standard_deviation=sqrt(channel_statistics[i].variance- in GetImageStatistics()
2058 (channel_statistics[i].mean*channel_statistics[i].mean)); in GetImageStatistics()
2059 standard_deviation=sqrt(PerceptibleReciprocal(channel_statistics[i].area- in GetImageStatistics()
2060 1.0)*channel_statistics[i].area*standard_deviation*standard_deviation); in GetImageStatistics()
2061 channel_statistics[i].standard_deviation=standard_deviation; in GetImageStatistics()
2079 area=PerceptibleReciprocal(channel_statistics[channel].area); in GetImageStatistics()
2086 channel_statistics[channel].entropy+=-count*MagickLog10(count)* in GetImageStatistics()
2088 channel_statistics[CompositePixelChannel].entropy+=-count* in GetImageStatistics()
2100 channel_statistics[i].standard_deviation); in GetImageStatistics()
2101 channel_statistics[i].skewness=(channel_statistics[i].sum_cubed-3.0* in GetImageStatistics()
2102 channel_statistics[i].mean*channel_statistics[i].sum_squared+2.0* in GetImageStatistics()
2103 channel_statistics[i].mean*channel_statistics[i].mean* in GetImageStatistics()
2104 channel_statistics[i].mean)*(standard_deviation*standard_deviation* in GetImageStatistics()
2106 channel_statistics[i].kurtosis=(channel_statistics[i].sum_fourth_power-4.0* in GetImageStatistics()
2107 channel_statistics[i].mean*channel_statistics[i].sum_cubed+6.0* in GetImageStatistics()
2108 channel_statistics[i].mean*channel_statistics[i].mean* in GetImageStatistics()
2109 channel_statistics[i].sum_squared-3.0*channel_statistics[i].mean* in GetImageStatistics()
2110 channel_statistics[i].mean*1.0*channel_statistics[i].mean* in GetImageStatistics()
2111 channel_statistics[i].mean)*(standard_deviation*standard_deviation* in GetImageStatistics()
2114 channel_statistics[CompositePixelChannel].mean=0.0; in GetImageStatistics()
2115 channel_statistics[CompositePixelChannel].standard_deviation=0.0; in GetImageStatistics()
2116 channel_statistics[CompositePixelChannel].entropy=0.0; in GetImageStatistics()
2119 channel_statistics[CompositePixelChannel].mean+= in GetImageStatistics()
2120 channel_statistics[i].mean; in GetImageStatistics()
2121 channel_statistics[CompositePixelChannel].standard_deviation+= in GetImageStatistics()
2122 channel_statistics[i].standard_deviation; in GetImageStatistics()
2123 channel_statistics[CompositePixelChannel].entropy+= in GetImageStatistics()
2124 channel_statistics[i].entropy; in GetImageStatistics()
2126 channel_statistics[CompositePixelChannel].mean/=(double) in GetImageStatistics()
2128 channel_statistics[CompositePixelChannel].standard_deviation/=(double) in GetImageStatistics()
2130 channel_statistics[CompositePixelChannel].entropy/=(double) in GetImageStatistics()
2133 channel_statistics=(ChannelStatistics *) RelinquishMagickMemory( in GetImageStatistics()
2134 channel_statistics); in GetImageStatistics()
2135 return(channel_statistics); in GetImageStatistics()