Image Statistics (histogram) mask

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Describe the feature you are interested and which may bring benefit to the
project ...

It consists in being able to perform the image statistics estimation 
(ImageStatistics, ImageStatisticsHSL, and ImageStatisticsYCbCr) based not only 
on a rectangular image, but using an area/blob mask, so to estimate statistics 
for a blob, etc. They provide a "withoutBlack" option, which is not suitable 
when the blob/area has internal black spots.

Provide any references/links to publications/algorithms/etc. which could
help in development ...

OpenCV libraries provide such functionality in its histogram estimation 
procedures (among others). AForge uses masks in some functionalities too. 

Original issue reported on code.google.com by pcliment...@gmail.com on 24 Nov 2010 at 6:38

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Original comment by andrew.k...@gmail.com on 19 Apr 2011 at 8:58

• Added labels: Project-Imaging

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Original comment by andrew.k...@gmail.com on 5 May 2011 at 12:54

• Added labels: Milestone-Coming

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Updated ImageStatistics, ImageStatisticsHSL and ImageStatisticsYCbCr classes so 
they can gather statistics over image area, which can be specified with a mask 
(8bpp image or byte[,] array).

Committed in revision 1473. Will be released in version 2.2.0.

Original comment by andrew.k...@gmail.com on 11 May 2011 at 3:00

• Changed state: Fixed

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Small bug was fixied, so need to use revision 1474 at least.

Original comment by andrew.k...@gmail.com on 11 May 2011 at 3:12

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Original comment by andrew.k...@gmail.com on 28 Jul 2011 at 9:44

• Changed state: Released

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Original comment by andrew.k...@gmail.com on 10 Aug 2011 at 9:24

• Removed labels: Milestone-Coming