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| __NOTOC__
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| Computes the mean and standard deviation of image pixel values
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| ===Function===
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| {|
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| |style="font-size:150%;"|
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| <syntaxhighlight lang="cpp">
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| CuviStatus meanStdDev(CuviImage* image,
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| Cuvi64f* mean,
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| Cuvi64f* stdDev,
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| CuviStream* stream = NULL);
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| </syntaxhighlight>
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| |}
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| ===Parameters===
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|
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| {|class="wikitable"
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| |-
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| ! Name
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| ! Type
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| ! Description
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| |-
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| | image
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| | CuviImage*
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| | Input Image
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| |-
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| | mean
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| | Cuvi64f*
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| | Mean of all pixel values in the image
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| |-
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| | stdDev
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| | Cuvi64f*
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| | Standard deviation of all pixel values in the image
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| |-
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| | stream
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| | CuviStream*
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| | GPU stream ID for execution
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|
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| |}
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|
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| ===Image Type Support===
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|
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| {| class="wikitable"
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| |-
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| ! Input
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| ! Output
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| |-
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| | 8uC1
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| | 2 x Cuvi64f single value
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| |-
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| | 8uC3
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| | 2 x Cuvi64f three values
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| |}
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|
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| ===Sample===
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| {|
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| |-
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| |[[File:Meanstddev.PNG]]
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| |}
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|
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|
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| ===Example===
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| {|
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| |style="font-size:150%;"|
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| <syntaxhighlight lang="cpp">
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|
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|
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| CuviImage* gimg = new CuviImage(size, depth, nChannels);
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|
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| Cuvi64f* mean = new Cuvi64f[nChannels];
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| Cuvi64f* std = new Cuvi64f[nChannels];
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|
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| //Upload input data
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| gimg->upload(hostImg->imageData, hostImg->widthStep);
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|
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|
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| //Returns mean as well as standard deviation image pixel values
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| cuvi::arithmeticLogical::meanStdDev(gimg, mean, std);
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|
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| </syntaxhighlight>
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| |}
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