ImageOverlay:

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   This function displays an image file and overlays text boxes.
   The image file is in a .mat file. To generate the image:

   xPict = imread('filename');
   save imageName xPict

   ImageOverlay('imageName',wData)

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   Form:
   ImageOverlay( x, wData, tBoxes )
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   ------
   Inputs
   ------
   x                 Image file on initialization or text data
   wData             Window name
                     .name   string
                     .color  [r g b]
   tBoxes            Box positions

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   Outputs
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   none

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Children: