Information-Theoretic

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Information-Theoretic ImagingJ. A. O’Sullivan. CMU Seminar, 03/13/2002Some Roles of Information TheoryIn Imaging ProblemsSome Important Ideas:• Roles depend on problem studied• Key problems are in detection,estimation, and classification• Information is quantifiable• SNR as a measure has limitations• Information theory often providesperformance bounds4
Information-Theoretic ImagingJ. A. O’Sullivan. CMU Seminar, 03/13/2002How to Measure InformationQUESTIONS:Can we measure the information in an image?Does one sensor provide more information than another?Does resolution measure information?Do more pixels in an image give more information?ANSWER:MAYBEInformation for what?Information relative to what?Ill-defined questions clearly defined problem5
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Information-Theoretic

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