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Improvement of image quality in MDCT by high-frequency sampling of x-, y- and z-direction.
Naruomi Yasuda
Yoko Ishikawa
Yoshie Kodera
Published in:
Medical Imaging: Image Processing (2006)
Keyphrases
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high frequency
image quality
visual quality
low frequency
blocking artifacts
bit rate
human visual system
subband
high resolution
compression ratio
quality assessment
high quality
wavelet transform
perceptual quality
low pass
wavelet coefficients
reconstructed image
pixel values
discrete wavelet transform
high frequencies
peak signal to noise ratio
frequency band
compressed images
wavelet domain
image quality assessment
image data
high frequency components
video coding
color images
multi resolution analysis