analysis of image quality

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Student: Jeffery D. Ahern Mentor: Edward Beshore

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Analysis of Image Quality. Student: Jeffery D. Ahern Mentor: Edward Beshore. Catalina Sky Survey. The mission of the Catalina Sky Survey is to find near-earth objects (NEOs) that pose an impact risk to Earth and it's inhabitants. Catalina Sky Survey. - PowerPoint PPT Presentation

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Page 1: Analysis of Image Quality

Student: Jeffery D. AhernMentor: Edward Beshore

Page 2: Analysis of Image Quality

The mission of the Catalina Sky Survey is to find near-earth objects (NEOs) that pose an impact risk to Earth and it's inhabitants.

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Page 3: Analysis of Image Quality

This is done by taking four images that are exposed for 30 seconds separated by 10 minutes, and looking for objects that appear in one frame, and have a corresponding object in the other frames plotting in a straight line

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Page 5: Analysis of Image Quality

Observer looks over all the images of a field and selects the best

Subjective Time consuming Costly Hard to compare results

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Page 6: Analysis of Image Quality

Meaning to data Comparable Objective judgments Standardization Decreased error Repeatable Reliable Fast

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Page 7: Analysis of Image Quality

Full-Width Half-Maximum

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Page 8: Analysis of Image Quality

WHAT SHOULD NOT BE COUNTED

Galaxies

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ArtifactsBright stars that cause image bleeding

Page 9: Analysis of Image Quality

The Full-Width Half-Maximum value is a good metric to use to determine if the image is in focus

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Page 10: Analysis of Image Quality

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