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

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Presentation on theme: "Image enhancement. Image from a ground based telescope The next slide shows an image of the same source."— Presentation transcript:

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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