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Image enhancement

Image enhancement. Image from a ground based telescope. The next slide shows an image of the same source. Image taken by the Hubble Space Telescope.

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Image enhancement

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  1. Image enhancement

  2. Image from a ground based telescope The next slide shows an image of the same source.

  3. Image taken by the Hubble Space Telescope This image shows that there is a cluster of stars that could not be seen clearly with the ground based telescope. The sharpness and number of stars detectable are both much improved. Also, a larger number of faint stars can be detected.

  4. Image before sharpening

  5. Image after sharpening

  6. Image of a crater courtesy of NASA The next slide shows a processed version of the same image

  7. Contour lines have been added to the crater image

  8. Seafloor image

  9. Contour map of seafloor

  10. Acnowledgements • Images taken from Computer Screens 20S, 30S and 40S of Chapter 1 Imaging, Advancing Physics CD-ROM 2008 Institute of Physics • PowerPoint slides compiled by John Mascall of The King’s School, Ely

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