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The purpose of this paper is to find an objective criterion that can correlate well with subjective assessment. Then, this criterion can train young ultrasonographers for practical diagnosis. Subjective assessment was proposed to medical experts, the comparison of objective quality is referred into diagnosis of twelve ultrasonographers. A number of objective quality measurements are evaluated for...
JPEG2000 is a new standard for image compression, which is based on wavelet transform and incorporated into DICOM (digital imaging and communication in medicine). In JPEG2000, there are two quantization methods, the scalar derived quantization (SDQ) and the scalar expounded quantization (SEQ). In this work, we use three optimization methods of quantization step, which are SDQ, SEQ determined by arithmetic...
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