Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2009

[Date Index] [Thread Index] [Author Index]

Search the Archive

Image Translations/Registrations to New Grid

  • To: mathgroup at smc.vnet.net
  • Subject: [mg102257] Image Translations/Registrations to New Grid
  • From: Andy Anderson <aanderson at amherst.edu>
  • Date: Mon, 3 Aug 2009 05:45:39 -0400 (EDT)

I want to be able to resample an image on a grid that is offset from  
the image's grid by fractions of a pixel in each direction. I can  
imagine two ways that Mathematica might do this, a third argument to  
ImageResize that looks something like {0.2, 0.3} (but with default  
value {0,0}), or a distinct function ImageTranslate or ImageRegister  
(analogous to ImageRotate). In either case there would be an option to  
control how this is done, e.g. the two common procedures, "bilinear  
interpolation" or "cubic convolution".

After searching the documentation I don't see any such capability in  
version 7's new Image manipulation functions. Am I missing a way to do  
this?

-- Andy



  • Prev by Date: Re: Jens-Peer Kuska passed away
  • Next by Date: Re: A Question about strings in lists
  • Previous by thread: Re: Jens-Peer Kuska passed away
  • Next by thread: Re: freeing memory used by Import[]