let minX, minY, maxX, maxY = ellipseWindow e
let stdDiviation = MathNet.Numerics.Statistics.StreamingStatistics.StandardDeviation(seq {
for y in (if minY < 0 then 0 else minY) .. (if maxY >= h then h - 1 else maxY) do
for x in (if minX < 0 then 0 else minX) .. (if maxX >= w then w - 1 else maxX) do
let minX, minY, maxX, maxY = ellipseWindow e
let stdDiviation = MathNet.Numerics.Statistics.StreamingStatistics.StandardDeviation(seq {
for y in (if minY < 0 then 0 else minY) .. (if maxY >= h then h - 1 else maxY) do
for x in (if minX < 0 then 0 else minX) .. (if maxX >= w then w - 1 else maxX) do