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Property vector based distortion estimation
KTH, Superseded Departments, Signals, Sensors and Systems.
2004 (English)In: Asilomar Conference on Signals, Systems and Computers, 2004, 2275-2279 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper addresses rate-distortion optimal mode selection, based on estimates of the instantaneous coding distortion, for multi-mode source coders. We propose a two stage estimation framework, including a property extraction, and a Gaussian mixture model based distortion estimation. We also suggest accompanying measures for evaluating the goodness of a given property vector. The proposed framework is evaluated for a set of properties in a CELP coding framework. The results suggest that the proposed framework is capable of doing rate distortion optimal mode selection in multi-mode source coders.

Place, publisher, year, edition, pages
2004. 2275-2279 p.
Series
Conference Record - Asilomar Conference on Signals, Systems and Computers, ISSN 1058-6393 ; 2
Keyword [en]
Constraint theory, Data processing, Electric currents, Electric switches, Entropy, Error detection, Mathematical models, Random processes, Statistical methods, Vectors, Visualization, Distortion estimation, Gaussian mixture model (GMM), Mode selection, Voice activity detectors (VAD), Electric distortion
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-157421Scopus ID: 2-s2.0-21644485886OAI: oai:DiVA.org:kth-157421DiVA: diva2:771640
Conference
Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 7 November 2004 through 10 November 2004, Pacific Grove, CA
Note

QC 20141215

Available from: 2014-12-15 Created: 2014-12-09 Last updated: 2014-12-15Bibliographically approved

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