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Evaluation of Image Fidelity by Means of the Fidelogram and Level Mean-Square Error

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2 Author(s)
Katsulai, Hiroshi ; Department of Radiology, Faculty of Medi-cine, Chiba University, Chiba, Japan. ; Arimizu, Noboru

In the present correspondence a method for the representa-tion of image fidelity is proposed and demonstrated by experimental examples. A fidelity measure is also proposed, which is a formal exten-sion of the commonly utilized mean-square error. The characteristics of these fidelity representations are discussed. As a result, it is shown that the representations proposed here are effective, in the sense that they can display clearly the level variance and average levels of the processed image for the standard one, or make it possible to evaluate image fidelity from definite aspects, as compared to existing fidelity representations.

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:PAMI-3 ,  Issue: 3 )