The Center for Education and Research in Information Assurance and Security (CERIAS)

The Center for Education and Research in
Information Assurance and Security (CERIAS)

A Rate-Distortion Approach to Wavelet-Based Encoding of Predictive Error Frames

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Author

E Asbun, P Salama, E Delp

Tech report number

CERIAS TR 2001-121

Entry type

conference

Abstract

In this paper, we develop a framework for efficiently encoding predictive error frames (PEF) as part of a rate scalable, wavelet-based video compression algorithm. We investigate the use of rate-distortion analysis to determine the significance of coefficients in the wavelet decomposition. Based on this analysis, we allocate the bit budget assigned to a PEF to the coefficients that yield the largest reduction in distortion, while maintaining the embedded and rate scalable properties of our video compression algorithm.

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Date

2000 – 09

Key alpha

Delp

Note

Proceedings of the IEEE International Conference on Image Processing

Publication Date

2000-09-00

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