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Robust focus measure for unsupervised auto-focusing based on optimum discrete cosine transform coefficients.
Jaehwan Jeon
Jinhee Lee
Joon Ki Paik
Published in:
IEEE Trans. Consumer Electron. (2011)
Keyphrases
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transform domain
transform coefficients
spatial domain
subband
similarity measure
coding scheme
reconstructed image
feature vectors
image reconstruction
bit plane
discrete cosine transform
transform coding