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Fast Fractional-Pixel Motion Estimation using Lagrangian-Based Error Surface Interpolation

Citation Author(s):
Emad Badry, Ahmed Shalaby, Mohammed S. Sayed
Submitted by:
emad mohamed
Last updated:
12 November 2017 - 6:48pm
Document Type:
Presentation Slides
Document Year:
2017
Event:
Presenters:
Emad Badry
Paper Code:
1372
 

Motion Estimation is an important module in the HEVC encoder.
It is divided into Integer-pixel Motion Estimation followed
by Fractional-pixel motion Estimation for coding efficiency
improvement. In this paper, a new algorithm is proposed
to estimate the best fractional-pixel motion vector. It
is based on a mathematical model using the matching error
costs of the integer pixel locations around the best integer
candidate. The proposed algorithm is implemented in HEVC
standard software (HM-16.9). The experimental results show
that the proposed algorithm outperforms the others algorithms
noticeably. The proposed algorithm increases the BD-rate by
only 1.3 with a small degradation in the PSNR of 0.05 dB
while it saves up to 98% of the computational cost of the
Fractional-pixel Motion Estimation process

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