Sub-band encoding of images using 2-D adaptive deltamodulation

Sub-band encoding of images using 2-D adaptive deltamodulation

Presents the results for a subband encoder for still pictures, using adaptive deltamodulation as the main encoder. The image signal is separated into four subbands using conventional separable 2-D filters, and the individual signals are encoded using 2-D ADM. Two different types of ADM encoders are...

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Bibliographische Detailangaben
Hauptverfasser: Chakravarthy, C.V., Vaman, D.R., Hong, K., Jin, Z.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Adaptive filters
Bandwidth
Costs
Encoding
Image analysis
Image coding
Phase change materials
Predictive models
Reactive power
Signal analysis
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Beschreibung
Zusammenfassung:Presents the results for a subband encoder for still pictures, using adaptive deltamodulation as the main encoder. The image signal is separated into four subbands using conventional separable 2-D filters, and the individual signals are encoded using 2-D ADM. Two different types of ADM encoders are used and very good quality is obtained at 0.75 bpp-1.25 bpp.
ISSN:0094-2898
2161-8135
DOI:10.1109/SSST.1996.493478