Power-efficient sum of absolute differences hardware architecture using adder compressors for integer motion estimation design

B Silveira, G Paim, B Abreu, M Grellert… - … on Circuits and …, 2017 - ieeexplore.ieee.org
Sum of absolute differences (SAD) calculation is one of the most time-consuming operations
of video encoders compatible with the high efficiency video coding standard. SAD hardware …

Low-power and high-throughput approximated architecture for av1 fme interpolation

R Domanski, W Kolodziejski, G Correa… - … on circuits and …, 2021 - ieeexplore.ieee.org
Modern video encoders like the AOM Video 1 (AV1) implement several complex tools to
allow the required high level of compression efficiency. The Fractional Motion Estimation …

A parallel and pipelined hardware architecture for fractional-pixel motion estimation in avs3

Y Zeng, X Zhu, G Xiang, Z Hao, P Zhang… - 2022 IEEE …, 2022 - ieeexplore.ieee.org
The latest generation of video coding standards has significantly improved video coding
performance. The third generation of audio video coding standards (AVS3) is one of these …

Approximate interpolation filters for the fractional motion estimation in HEVC encoders and their VLSI design

R Da Silva, Í Siqueira, M Grellert - … of the 32nd Symposium on Integrated …, 2019 - dl.acm.org
Motion Estimation (ME) is one of the most complex HEVC steps, consuming more than 60%
of the average encoding time, most of which is spent on its fractional part (Fractional Motion …

Learning-based bypass zone search algorithm for fast motion estimation

P Goncalves, G Correa, L Agostini, M Porto - Multimedia Tools and …, 2023 - Springer
Video coding has been widely explored by academia and industry in recent years, mainly
due to the great popularization of video applications and multimedia-capable devices. The …

LF-CAE: Context-adaptive encoding for lenslet light fields using HEVC

R Conceicao, M Porto, B Zatt… - 2018 25th IEEE …, 2018 - ieeexplore.ieee.org
Light fields can outperform the representability of current imaging technologies by
considering the angle of light-rays striking in the camera in addition to the color information …

Hardware design for the affine motion compensation of the vvc standard

MM Muñoz, D Maass, M Perleberg… - 2023 IEEE 14th Latin …, 2023 - ieeexplore.ieee.org
The Affine Motion Estimation (AME) of the Versatile Video Coding (VVC) standard is a high-
complexity task. The AME requires Affine Motion Compensation (MC) to be performed for …

Exploring high-order adder compressors for power reduction in sum of absolute differences architectures for real-time UHD video encoding

G Paim, GM Santana, BA Abreu, LMG Rocha… - Journal of Real-Time …, 2020 - Springer
The sum of absolute difference (SAD) calculation is one of the most computing-intensive
operations in video encoders compatible with recent standards, such as high-efficiency …

Low-power and memory-aware approximate hardware architecture for fractional motion estimation interpolation on HEVC

W Penny, G Correa, L Agostini… - … on Circuits and …, 2020 - ieeexplore.ieee.org
Nowadays, current video coding standards like the High Efficiency Video Coding (HEVC)
implement several complex coding tools, like the Fractional Motion Estimation (FME). An …

Energy-efficient Hadamard-based SATD hardware architectures through calculation reuse

I Seidel, M Monteiro, B Bonotto… - … on Circuits and …, 2019 - ieeexplore.ieee.org
The Hadamard-based Sum of Absolute Transformed Differences (SATD) is a distortion
metric that correlates better with other video encoding steps than the commonly used Sum of …