Adaptive Global Motion Temporal Filtering for High Efficiency Video Coding

Coding artifacts in video codecs can be reduced using several spatial in-loop filters that are part of the emerging video coding standard High Efficiency Video Coding (HEVC). In this paper, we introduce the concept of global motion temporal filtering. A theoretical framework for a concept combining...

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Bibliographic Details
Published inIEEE transactions on circuits and systems for video technology Vol. 22; no. 12; pp. 1802 - 1812
Main Authors Krutz, A., Glantz, A., Tok, M., Esche, M., Sikora, T.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.12.2012
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Bit rate
Circuits
Coding
Filtering
Filtration
Gain
Higher order motion estimation
Image coding
Motion estimation
Noise
Optimization
temporal filtering
Temporal logic
theoretical model
Video coding
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Summary:Coding artifacts in video codecs can be reduced using several spatial in-loop filters that are part of the emerging video coding standard High Efficiency Video Coding (HEVC). In this paper, we introduce the concept of global motion temporal filtering. A theoretical framework for a concept combining the temporal overlapping of several noisy versions of the same signal is introduced. This includes a model of the motion estimation error. As an important result, it is shown that an optimum number of frames N for filtering exists. An implementation of the concept based on several versions of the HEVC test model using global motion-compensated temporal filtering shows that significant gains can be achieved.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1051-8215
1558-2205
DOI:10.1109/TCSVT.2012.2223012