American Journal of Systems and Software
ISSN (Print): 2372-708X ISSN (Online): 2372-7071 Website: http://www.sciepub.com/journal/ajss Editor-in-chief: Josué-Antonio Nescolarde-Selva
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American Journal of Systems and Software. 2014, 2(3), 60-64
DOI: 10.12691/ajss-2-3-2
Open AccessArticle

DCT-Based Quarter-pel Interpolation: A Frontier Method for ME in HEVC

Kalyan Kumar Barik1, Manas Ranjan Jena2, and Asutosh Das1

1Deparment of ETC, SIET, DHENKANAL,ODISHA

2Deparment of ETC, Deparment of ELTCE, VSSUT, BURLA, ODISHA

Pub. Date: June 16, 2014

Cite this paper:
Kalyan Kumar Barik, Manas Ranjan Jena and Asutosh Das. DCT-Based Quarter-pel Interpolation: A Frontier Method for ME in HEVC. American Journal of Systems and Software. 2014; 2(3):60-64. doi: 10.12691/ajss-2-3-2

Abstract

The new demands for high-definition and high resolution video applications are pushing the development of new techniques in the video coding area. Motion estimation (ME) is one of the key elements in video coding standard which eliminates the temporal redundancies between successive frames. In the recent international video coding standards, sub-pixel ME is proposed for its excellent coding performance. DCT (Discrete Cosine Transform) has been widely used for digital signal processing and multimedia applications, especially video codec. In regards to interpolation for motion estimation and compensation, the conventional HEVC employs 8-tap and 4-tap filters for luma and chroma samples respectively. Coefficients in such filters are determined by DCT. This paper presents and implements the DCT-based Quarter-pixel Interpolation filter for motion estimation and compression of HEVC standard using Matlab.

Keywords:
HEVC DCT ME quarter pixel interpolation motion compensation

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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