The ImageStat module calculates global statistics for an image, or for a region of an image.
Calculate statistics for the given image. If a mask is included, only the regions covered by that mask are included in the statistics. You can also pass in a previously calculated histogram.
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Min/max values for each band in the image.
Total number of pixels for each band in the image.
Sum of all pixels for each band in the image.
Squared sum of all pixels for each band in the image.
Average (arithmetic mean) pixel level for each band in the image.
Median pixel level for each band in the image.
RMS (root-mean-square) for each band in the image.
Variance for each band in the image.
Standard deviation for each band in the image.