[postgis-tickets] [PostGIS] #2597: [raster] St_Grayscale

[PostGIS]

#2597: [raster] St_Grayscale
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  Reporter:  nclay        |      Owner:  Bborie Park
      Type:  enhancement  |     Status:  assigned
  Priority:  medium       |  Milestone:  PostGIS 2.5.0
 Component:  raster       |    Version:  trunk
Resolution:               |   Keywords:
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Comment (by Bborie Park):

 Equation from algorithm section of
 https://www.mathworks.com/help/matlab/ref/rgb2gray.html

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/2597#comment:6>
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