SPIHT video coder
| Autor: | J. Karlekar, U.B. Desai |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
Discrete wavelet transform
Motion compensation business.industry ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Wavelet transform Data_CODINGANDINFORMATIONTHEORY Arithmetic coding Quarter-pixel motion Set partitioning in hierarchical trees Computer vision Artificial intelligence business Encoder Data compression Mathematics |
| Zdroj: | Proceedings of IEEE TENCON '98. IEEE Region 10 International Conference on Global Connectivity in Energy, Computer, Communication and Control (Cat. No.98CH36229). |
| DOI: | 10.1109/tencon.1998.797065 |
| Popis: | We propose a new video coding scheme based on discrete wavelet transform (DWT), as it provides a better way to address scalability functionalities, than MPEG-2. To code wavelet coefficients efficiently, we use set partitioning in hierarchical trees (SPIHT) and adaptive arithmetic coding algorithms. Motion compensation (MC) is done in spatial domain to remove temporal redundancy present between frames. To avoid blocking artifacts caused by block motion compensation, overlapping block motion compensation (OBMC) is done. The proposed video encoder is compared with MPEG-2. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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