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Sparse representation based facial image compression via multiple dictionaries and separated ROI.
Amir Masoud Taheri
Homayoun Mahdavi Nasab
Published in:
Multim. Tools Appl. (2018)
Keyphrases
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image compression
sparse representation
vector quantization
region of interest
input image
facial expression recognition
compression scheme
dictionary learning
data sets
face recognition
multiscale
feature space
wavelet transform
facial expressions
medical images