On transform coding of motion-compensated difference images

R. J. Clarke

Research output: Contribution to journalArticle

Abstract

Motion-compensated interframe transform coding has been recommended as an efficient method of coding image sequences at low bit rates. The paper considers the effect of employing a variety of different transform and motion compensation techniques on the operation of the algorithm and also the interrelation between the predictive and transform parts of the scheme in terms of the spectral properties of the signal to be transformed. It is shown that, for a wide variety of source material, there is a complex interaction between the specific transform and motion compensation scheme employed, and that the efficiency of the motion-compensated predictive operation strongly influences the performance of the subsequent transform step.

Original languageEnglish
Pages (from-to)372-376
Number of pages5
JournalIEE Proceedings - Communications
Volume139
Issue number3
Publication statusPublished - Jun 1992

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Motion compensation
Image coding

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On transform coding of motion-compensated difference images. / Clarke, R. J.

In: IEE Proceedings - Communications, Vol. 139, No. 3, 06.1992, p. 372-376.

Research output: Contribution to journalArticle

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AB - Motion-compensated interframe transform coding has been recommended as an efficient method of coding image sequences at low bit rates. The paper considers the effect of employing a variety of different transform and motion compensation techniques on the operation of the algorithm and also the interrelation between the predictive and transform parts of the scheme in terms of the spectral properties of the signal to be transformed. It is shown that, for a wide variety of source material, there is a complex interaction between the specific transform and motion compensation scheme employed, and that the efficiency of the motion-compensated predictive operation strongly influences the performance of the subsequent transform step.

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