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Pitch sharpening for perceptually improved CELP, and the sparse-delta codebook for reduced computation.
Tomohiko Taniguchi
Mark Johnson
Yasuji Ohta
Published in:
ICASSP (1991)
Keyphrases
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vector quantization
edge detection
sparse data
feature vectors
bag of words
image processing
sparse representation
image enhancement
similarity measure
object recognition
high dimensional
image representation
human visual system
human perception
efficient computation
soft assignment