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 …

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 …

Design and exploration of low-power SAD architectures using approximate compressors for Integer Motion Estimation

UA Kumar, S Guturu, SE Ahmed - Microprocessors and Microsystems, 2022 - Elsevier
Integer motion estimation performs a pivotal role in achieving video compression by
exploiting the temporal redundancy of video sequences. However, the motion estimation's …

Efficient direction‐oriented search algorithm for block motion estimation

TS Shinde, AK Tiwari - IET Image Processing, 2018 - Wiley Online Library
Motion estimation is one of the most crucial and time‐consuming component of video
compression methods. However, much research has been done to improve computational …

An optimized partial-distortion-elimination based sum-of-absolute-differences architecture for high-efficiency-video-coding

P Selvo, M Masera, R Peloso, G Masera… - … in Electronics Pervading …, 2019 - Springer
Abstract Sum of Absolute Differences (SAD) is one of the most time consuming tasks in
video coding. This paper proposes an architecture to compute the SADs for all the different …

Coarse grain partial distortion elimination for Hadamard ME in HEVC

I Seidel, JL Güntzel, L Agostini - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
The Sum of Absolute Transformed Differences (SATD) computation is one of the most time
consuming functions of the High Efficiency Video Codec (HEVC) reference model (HM) …

Exploiting partial distortion elimination in the sum of absolute differences for energy-efficient HEVC integer motion estimation

B Abreu, G Santana, M Grellert, G Paim… - … 31st Symposium on …, 2018 - ieeexplore.ieee.org
Integer Motion Estimation (IME) is an important tool that explores the temporal redundancies
in video encoders. It stands out among the most time-consuming and memory intensive …

Exploiting absolute arithmetic for power-efficient sum of absolute differences

B Abreu, G Paim, M Grellert, B Silveira… - 2017 24th IEEE …, 2017 - ieeexplore.ieee.org
Sum of Absolute Differences (SAD) is among the most time-consuming calculations
performed in the video encoding process. SAD operation is performed by adding the …

Exploring motion vector cost with partial distortion elimination in sum of absolute differences for HEVC integer motion estimation

B Abreu, M Grellert, G Paim, T Fontanari… - 2019 17th IEEE …, 2019 - ieeexplore.ieee.org
Integer Motion Estimation (IME) is one of the most costly steps in the video coding process,
being responsible for 60% of the total encoding time. Two parameters are considered when …

Exploring Absolute Differences Arithmetic Operators for Power and Area-Efficient SAD Hardware Architectures

BA Abreu, M Grellert, G Paim, LMG Rocha… - Journal of Integrated …, 2020 - jics.org.br
Managing the energy requirements of video encoders has been an important research topic
throughout the latest years, given the limited resources of battery-powered systems. Sum of …