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What is Objective Evaluation

Handbook of Research on Advanced Techniques in Diagnostic Imaging and Biomedical Applications
It is a quantitative evaluation generally based on statistical criteria. None a priori knowledge is used for the evaluation.
Published in Chapter:
Evaluation of Medical Image Compression
C. Delgorge-Rosenberger (Universite d’Orleans, France) and C. Rosenberger (GREYC - ENSICAEN - Universite Caen Basse Normandie, France)
DOI: 10.4018/978-1-60566-314-2.ch028
The authors present in this chapter an overview on evaluation of medical image compression. The different methodologies used in the literature are presented. Subjective evaluation uses some a priori knowledge such as the judgment of experts or the ability to realize a correct diagnosis. Objective evaluation generally takes into account the value of metrics: the PSNR is an example of such a criterion. The goal of hybrid evaluation is to realize a reliable judgment while having a simple computation. The authors discuss on the benefits and drawbacks of these approaches. The European Project called OTELO in which they were involved, gives feedback on ultrasound image compression.
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