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HESSI test image comparison (backprojection, clean, forwardfit)
Image reconstructions with 3 different algorithms (backprojection, clean, forwardfit) have been performed from a given set of model images. The clean algorithm has been run with uniform weighting, TAPERPSF=3./3.^(0.5*findgen(9))]. The status of the software is 2000 February 12. The PS (postscript) files show the image and timeprofile fits of the forwardfitting method. The GIF files show the model images (left column), the reconstructed images (middle column) and the difference images (right column) for 3 different imaging algorithms. The images have pixel dimensions of 48x48 and a pixel size of 3 arcseconds.
- Single gaussian source : PS - GIF
- Double gaussian sources : PS - GIF
- Triple gaussian sources : PS - GIF
- Quadruple gaussian sources : PS - GIF
- Single elliptical source 0 deg : PS - GIF
- Single elliptical source 90 deg : PS - GIF
- Single elliptical source 45 deg : PS - GIF
- Double elliptical sources : PS - GIF
- Single curved ellipse +30 deg : PS - GIF
- Single curved ellipse -30 deg : PS - GIF
