Identify values between verbose and format

[blue-j]

when i run this

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identify -format '%[standard-deviation]' image.jpg

i get a value of
18232.1

but when i run

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identify -verbose image.jpg

i see in overall image statistics a standard deviation of 70.9422 (0.278205)

how can i get the value shown in the verbose output?

thanks so much!!

J

[snibgo]

The first version converts the image to 16 bits/channel/pixel before the calculation.

You could:

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identify -format "%[fx:255*standard_deviation] (%[fx:standard_deviation])" x.jpg

[blue-j]

thank you so much!!! : )

J