A multistage perceptual quality assessment for compressed digital angiogram images.

This paper describes a multistage perceptual quality assessment (MPQA) model for compressed images. The motivation for the development of a perceptual quality assessment is to measure (in)visible differences between original and processed images. The MPQA produces visible distortion maps and quantit...

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Vydáno v:	IEEE Transactions on medical imaging 20, 12 (2001).
Hlavní autor:	Oh, J.
Médium:	Článek
Jazyk:	English
Témata:	PQR/sub 1-5. Background uncertainty. Clinical experiments. Compressed digital angiogram images. Diagnostically acceptable reconstruction. Embedded zerotrees wavelet. Human cortex modeling. Human visual system. Multistage perceptual quality assessment. Original images. Peak signal-to-noise ratio. Processed images. Spatially masked contrast error measurements. Visible distortion. Vision models. Wavelet-compressed digital angiogram.