Fast cosine Gabor transform and its application to image compression

Fast cosine Gabor transform and its application to image compression

Fast DCT-IV implementation of previously presented novel discrete critically-sampled real Gabor transform is proposed in the paper and some aspects of its application to image compression are discussed including the choice of window functions and quantization schemes. Direct links between the new co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Turcza, P., Zielinski, T.P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Algorithm design and analysis
Discrete transforms
Discrete wavelet transforms
Filter bank
Fourier transforms
Frequency
Image coding
Quantization
Signal analysis
Signal synthesis
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Beschreibung
Zusammenfassung:Fast DCT-IV implementation of previously presented novel discrete critically-sampled real Gabor transform is proposed in the paper and some aspects of its application to image compression are discussed including the choice of window functions and quantization schemes. Direct links between the new cosine Gabor transform and cosine modulated filter banks as well as cosine modulated lapped transforms are given.
DOI:10.1109/TFSA.1998.721461