Very low bit rate video coding focusing on moving region using three-tier arbitrary shaped pattern selection algorithm

Research output: Book chapter/Published conference paperConference paper

Abstract

Recently a number of new low bit-rate block-based video-coding algorithms have been reported that focus on moving objects by dividing the macroblocks into three classes based on motion involved. In the conventional H.26X coding standards, macroblocks are divided into static (no motion) and active (with motion) classes. These new algorithms have improved coding efficiency as well as corresponding picture quality by separating a sizable number of active macroblocks, which posses significant static regions, into a new active-region class. A small number of fixed regular shaped patterns are used to represent the moving region in an active-region macroblock. In this paper, we examine a number of alternative definitions for classifying macroblocks, and propose, for the first time, a parametric definition based on the number of moving pixels in a macroblock. Experimental comparative results clearly show that this new macroblock parametric definition outperforms the old definition in improving coding efficiency without degrading the subjective quality
Original languageEnglish
Title of host publicationInternational Conference on Computer and Informational Technology
Place of PublicationBangladesh
PublisherJahangirnagar University
Pages580-585
Number of pages6
Publication statusPublished - 2003
EventInternational Conference on Computer and Informational Technology - Bangladesh
Duration: 19 Dec 200321 Dec 2003

Conference

ConferenceInternational Conference on Computer and Informational Technology
Period19/12/0321/12/03

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Cite this

Paul, M. (2003). Very low bit rate video coding focusing on moving region using three-tier arbitrary shaped pattern selection algorithm. In International Conference on Computer and Informational Technology (pp. 580-585). Bangladesh: Jahangirnagar University.
Paul, Manoranjan. / Very low bit rate video coding focusing on moving region using three-tier arbitrary shaped pattern selection algorithm. International Conference on Computer and Informational Technology. Bangladesh : Jahangirnagar University, 2003. pp. 580-585
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abstract = "Recently a number of new low bit-rate block-based video-coding algorithms have been reported that focus on moving objects by dividing the macroblocks into three classes based on motion involved. In the conventional H.26X coding standards, macroblocks are divided into static (no motion) and active (with motion) classes. These new algorithms have improved coding efficiency as well as corresponding picture quality by separating a sizable number of active macroblocks, which posses significant static regions, into a new active-region class. A small number of fixed regular shaped patterns are used to represent the moving region in an active-region macroblock. In this paper, we examine a number of alternative definitions for classifying macroblocks, and propose, for the first time, a parametric definition based on the number of moving pixels in a macroblock. Experimental comparative results clearly show that this new macroblock parametric definition outperforms the old definition in improving coding efficiency without degrading the subjective quality",
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Paul, M 2003, Very low bit rate video coding focusing on moving region using three-tier arbitrary shaped pattern selection algorithm. in International Conference on Computer and Informational Technology. Jahangirnagar University, Bangladesh, pp. 580-585, International Conference on Computer and Informational Technology, 19/12/03.

Very low bit rate video coding focusing on moving region using three-tier arbitrary shaped pattern selection algorithm. / Paul, Manoranjan.

International Conference on Computer and Informational Technology. Bangladesh : Jahangirnagar University, 2003. p. 580-585.

Research output: Book chapter/Published conference paperConference paper

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AB - Recently a number of new low bit-rate block-based video-coding algorithms have been reported that focus on moving objects by dividing the macroblocks into three classes based on motion involved. In the conventional H.26X coding standards, macroblocks are divided into static (no motion) and active (with motion) classes. These new algorithms have improved coding efficiency as well as corresponding picture quality by separating a sizable number of active macroblocks, which posses significant static regions, into a new active-region class. A small number of fixed regular shaped patterns are used to represent the moving region in an active-region macroblock. In this paper, we examine a number of alternative definitions for classifying macroblocks, and propose, for the first time, a parametric definition based on the number of moving pixels in a macroblock. Experimental comparative results clearly show that this new macroblock parametric definition outperforms the old definition in improving coding efficiency without degrading the subjective quality

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Paul M. Very low bit rate video coding focusing on moving region using three-tier arbitrary shaped pattern selection algorithm. In International Conference on Computer and Informational Technology. Bangladesh: Jahangirnagar University. 2003. p. 580-585