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Many GPUs have incorporated hardware-accelerated video encoders, which allow video encoding tasks to be offloaded from the main CPU and provide higher power efficiency. Over the years, many new video codecs such as H.265/HEVC, VP9, and AV1…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Kasidis Arunruangsirilert , Jiro Katto

In previous research, it was shown that the software decoding energy demand of High Efficiency Video Coding (HEVC) can be reduced by 15$\%$ by using a decoding-energy-rate-distortion optimization algorithm. To achieve this, the energy…

Image and Video Processing · Electrical Eng. & Systems 2022-09-22 Matthias Kränzler , Christian Herglotz , André Kaup

This paper considers simultaneous wireless information and power transfer (SWIPT) over a dual-hop dynamic decode-and-forward (DF) relay network with the power-splitting (PS) energy harvesting protocol at the relay. The circuit power…

Signal Processing · Electrical Eng. & Systems 2019-09-13 Bhathiya Pilanawithana , Saman Atapattu , Jamie Evans

The total energy consumption of today's video coding systems is globally significant and emphasizes the need for sustainable video coder applications. To develop such sustainable video coders, the knowledge of the energy consumption of…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Geetha Ramasubbu , André Kaup , Christian Herglotz

As research and deployment of AI grows, the computational burden to support and sustain its progress inevitably does too. To train or fine-tune state-of-the-art models in NLP, computer vision, etc., some form of AI hardware acceleration is…

Hardware Architecture · Computer Science 2024-03-01 Dan Zhao , Siddharth Samsi , Joseph McDonald , Baolin Li , David Bestor , Michael Jones , Devesh Tiwari , Vijay Gadepally

In this paper, a framework for the analysis of the transmission-computation-energy tradeoff in wireless and fixed networks is introduced. The analysis of this tradeoff considers both the transmission energy as well as the energy consumed at…

Information Theory · Computer Science 2010-08-27 P. Rost , G. Fettweis

Overfitted neural video codecs offer a decoding complexity orders of magnitude smaller than their autoencoder counterparts. Yet, this low complexity comes at the cost of limited compression efficiency, in part due to their difficulty…

Image and Video Processing · Electrical Eng. & Systems 2025-03-27 Thomas Leguay , Théo Ladune , Pierrick Philippe , Olivier Deforges

This paper investigates the performance limits of differential power processing (DPP) and presents quantitative and systematic design guidelines for the selection and comparison of DPP topologies. A stochastic model is developed to evaluate…

Systems and Control · Electrical Eng. & Systems 2020-03-24 Ping Wang , Robert C. N. Pilawa-Podgurski , Philip T. Krein , Minjie Chen

Significant advances in video compression system have been made in the past several decades to satisfy the nearly exponential growth of Internet-scale video traffic. From the application perspective, we have identified three major…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Dandan Ding , Zhan Ma , Di Chen , Qingshuang Chen , Zoe Liu , Fengqing Zhu

Climate change challenges require a notable decrease in worldwide greenhouse gas (GHG) emissions across technology sectors. Digital technologies, especially video streaming, accounting for most Internet traffic, make no exception. Video…

The Bj{\o}ntegaard Delta rate (BD-rate) objectively assesses the coding efficiency of video codecs using the rate-distortion (R-D) performance but overlooks encoding energy, which is crucial in practical applications, especially for those…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Geetha Ramasubbu , André Kaup , Christian Herglotz

In this paper, we discuss one aspect of the latest MPEG standard edition on energy-efficient media consumption, also known as Green Metadata (ISO/IEC 232001-11), which is the interactive signaling for remote decoder-power reduction for…

Image and Video Processing · Electrical Eng. & Systems 2023-10-27 Christian Herglotz , Matthias Kränzler , Xixue Chu , Edouard Francois , Yong He , André Kaup

Blindly decoding a signal requires estimating its unknown transmit parameters, compensating for the wireless channel impairments, and identifying the modulation type. While deep learning can solve complex problems, digital signal processing…

Signal Processing · Electrical Eng. & Systems 2021-10-26 Samer Hanna , Chris Dick , Danijela Cabric

While the evolution of mobile computing is experiencing a considerable growth, it is at the same time seriously threatened by the limitations of the battery technology, which does not keep pace with the evergrowing increase in energy…

Multimedia · Computer Science 2022-02-22 Octavian Machidon , Jani Asprov , Tine Fajfar , Veljko Pejovic

The share of online video traffic in global carbon dioxide emissions is growing steadily. To comply with the demand for video media, dedicated compression techniques are continuously optimized, but at the expense of increasingly higher…

Image and Video Processing · Electrical Eng. & Systems 2024-01-31 Lena Eichermüller , Gaurang Chaudhari , Ioannis Katsavounidis , Zhijun Lei , Hassene Tmar , Christian Herglotz , André Kaup

Enabling caching capabilities in dense small cell networks (DSCNs) has a direct impact on file delivery delay and power consumption. Most existing work studied these two performance metrics separately in cache-enabled DSCNs. However, file…

Signal Processing · Electrical Eng. & Systems 2019-03-20 Hao Wu , Hancheng Lu

Multiple accesses are common for most mobile devices today. This technological advance opens up a new design space for improving the communication performance of mobile devices. Multipath TCP is a TCP extension that enables using multiple…

Networking and Internet Architecture · Computer Science 2014-12-30 Lily Minear , Eric Zhang

Power consumption plays a crucial role in on-device streaming speech recognition, significantly influencing the user experience. This study explores how the configuration of weight parameters in speech recognition models affects their…

The index coding problem is a fundamental transmission problem which occurs in a wide range of multicast networks. Network coding over a large finite field size has been shown to be a theoretically efficient solution to the index coding…

Information Theory · Computer Science 2012-10-01 Jalaluddin Qureshi , Chuan Heng Foh , Jianfei Cai

The promising improvement in compression efficiency of Versatile Video Coding (VVC) compared to High Efficiency Video Coding (HEVC) comes at the cost of a non-negligible encoder side complexity. The largely increased complexity overhead is…

Multimedia · Computer Science 2023-12-19 Yiqun Liu , Mohsen Abdoli , Thomas Guionnet , Christine Guillemot , Aline Roumy