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Lower bound on the mean-squared error in oversampled quantization of periodic signals using vector quantization analysis.
Nguyen T. Thao
Martin Vetterli
Published in:
IEEE Trans. Inf. Theory (1996)
Keyphrases
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vector quantization
distortion measure
image compression
lower bound
vector quantizer
successive approximation
wavelet transform
reduced complexity
image segmentation
face recognition
objective function
subband
human perception
fractal image compression
neural gas