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research article

Analysis and VLSI Implementation of EWA Rendering for Real-Time HD Video Applications

Greisen, Pierre
•
Schaffner, Michael
•
Heinzle, Simon
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2012
IEEE Transactions on Circuits and Systems for Video Technology

Non-linear image warping or image resampling is a necessary step in many current and upcoming video applications such as video retargeting, stereoscopic 3D mapping, and multiview synthesis. The challenges for real-time resampling include resampling image quality but also available energy and computational power of the employed device. In this work, we employ an elliptical-weighted average (EWA) rendering approach to 2D image resampling. We extend the classical EWA framework for increased visual quality and provide a VLSI architecture for efficient view rendering. The resulting architecture is able to render high-quality video sequences in real-time targeted for low-power applications in end-user display devices.

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Type
research article
DOI
10.1109/Tcsvt.2012.2201671
Web of Science ID

WOS:000313971700005

Author(s)
Greisen, Pierre
•
Schaffner, Michael
•
Heinzle, Simon
•
Runo, Marian
•
Smolic, Aljosa
•
Burg, Andreas Peter  
•
Kaeslin, Hubert
•
Gross, Markus
Date Issued

2012

Publisher

Institute of Electrical and Electronics Engineers

Published in
IEEE Transactions on Circuits and Systems for Video Technology
Volume

22

Issue

11

Start page

1577

End page

1589

Subjects

rendering

•

EWA splatting

•

image-based rendering

•

VLSI

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
TCL  
Available on Infoscience
June 12, 2012
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/81523
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