http://bit-player.org/2010/disentangling-gaussians An amateur's outlook on computation and mathematics. Thu, 17 May 2012 10:09:29 +0000 http://wordpress.org/?v=2.6.3 http://bit-player.org/2010/disentangling-gaussians#comment-2994 Peter Rowlett Fri, 02 Jul 2010 10:19:02 +0000 http://bit-player.org/?p=695#comment-2994 I included a link to this post in <a href="http://travelsinamathematicalworld.blogspot.com/2010/07/carnival-of-mathematics-67.html" rel="nofollow">Carnival of Mathematics #67</a>. I included a link to this post in Carnival of Mathematics #67.

]]> http://bit-player.org/2010/disentangling-gaussians#comment-2946 Elwood Downey Fri, 11 Jun 2010 04:15:17 +0000 http://bit-player.org/?p=695#comment-2946 Sounds applicable to performing photometry on images containing rich star fields where individual stars overlap. The usual technique uses deconvolution but assumes each star adheres to the same known Gaussian PSF (point spread function). More recent work (Magain, et al, 2007) solves simultaneously for the individual Gaussians and the PSF but still assumes the PSF is the same for all stars which becomes less likely as the image grows larger in size. Sounds applicable to performing photometry on images containing rich star fields where individual stars overlap. The usual technique uses deconvolution but assumes each star adheres to the same known Gaussian PSF (point spread function). More recent work (Magain, et al, 2007) solves simultaneously for the individual Gaussians and the PSF but still assumes the PSF is the same for all stars which becomes less likely as the image grows larger in size.

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