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There is nowadays a growing demand in vehicular communications for real-time applications requiring video assistance. The new state-of-the-art high-efficiency video coding (HEVC) standard is very promising for real-time video streaming. It…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Mohamed Aymen Labiod , Mohamed Gharbi , Francois-Xavier Coudoux , Patrick Corlay , Noureddine Doghmane

The numerical study of relativistic magnetohydrodynamics (MHD) plays a crucial role in high-energy astrophysics, but unfortunately is computationally demanding, given the complex physics involved (high Lorentz factor flows, extreme…

High Energy Astrophysical Phenomena · Physics 2024-01-09 Luca Del Zanna , Simone Landi , Lorenzo Serafini , Matteo Bugli , Emanuele Papini

Today's high-performance computing (HPC) applications are producing vast volumes of data, which are challenging to store and transfer efficiently during the execution, such that data compression is becoming a critical technique to mitigate…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-02 Jiannan Tian , Cody Rivera , Sheng Di , Jieyang Chen , Xin Liang , Dingwen Tao , Franck Cappello

The introduction of AI and ML technologies into medical devices has revolutionized healthcare diagnostics and treatments. Medical device manufacturers are keen to maximize the advantages afforded by AI and ML by consolidating multiple…

Software Engineering · Computer Science 2024-02-08 Soham Sinha , Shekhar Dwivedi , Mahdi Azizian

We present E2E-WAVE, the first end-to-end learned waveform generation system for underwater video multicasting. Acoustic channels exhibit 20--46% bit error rates where forward error correction becomes counterproductive -- LDPC increases…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Khizar Anjum , Tingcong Jiang , Dario Pompili

To provide users with more realistic visual experiences, videos are developing in the trends of Ultra High Definition (UHD), High Frame Rate (HFR), High Dynamic Range (HDR), Wide Color Gammut (WCG) and high clarity. However, the data amount…

Multimedia · Computer Science 2022-11-17 Yun Zhang , Linwei Zhu , Gangyi Jiang , Sam Kwong , C. -C. Jay Kuo

Video generation powers a vast array of downstream applications. However, while the de facto standard, i.e., latent diffusion models, typically employ heavily conditioned denoising networks, their decoders often remain unconditional. We…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Xiang Fan , Yuheng Wang , Bohan Fang , Zhongzheng Ren , Ranjay Krishna

Quantum error-correcting codes (QECCs) can eliminate the negative effects of quantum noise, the major obstacle to the execution of quantum algorithms. However, realizing practical quantum error correction (QEC) requires resolving many…

In VP9 video codec, the sizes of blocks are decided during encoding by recursively partitioning 64$\times$64 superblocks using rate-distortion optimization (RDO). This process is computationally intensive because of the combinatorial search…

Image and Video Processing · Electrical Eng. & Systems 2020-07-30 Somdyuti Paul , Andrey Norkin , Alan C. Bovik

Mixed reality (MR) applications are expected to become common when 5G goes mainstream. However, the latency requirements are challenging to meet due to the resources required by video-based remoting of graphics, that is, decoding video…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-10 Juuso Haavisto , Jukka Riekki

Spectral rendering accurately reproduces wavelength-dependent appearance but is computationally expensive, as shading must be evaluated at many wavelength samples and scales roughly linearly with the number of samples. It also requires…

Graphics · Computer Science 2026-02-27 Jiaqi Yu , Dar'ya Guarnera , Giuseppe Claudio Guarnera

Video coding is a mathematical optimization problem of rate and distortion essentially. To solve this complex optimization problem, two popular video coding frameworks have been developed: block-based hybrid video coding and end-to-end…

Image and Video Processing · Electrical Eng. & Systems 2022-07-13 Shuai Huo , Dong Liu , Li Li , Siwei Ma , Feng Wu , Wen Gao

In this paper, we propose a parallel block-based Viterbi decoder (PBVD) on the graphic processing unit (GPU) platform for the decoding of convolutional codes. The decoding procedure is simplified and parallelized, and the characteristic of…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-02 Hao Peng , Rongke Liu , Yi Hou , Ling Zhao

Designing channel codes under low-latency constraints is one of the most demanding requirements in 5G standards. However, a sharp characterization of the performance of traditional codes is available only in the large block-length limit.…

Signal Processing · Electrical Eng. & Systems 2020-07-27 Yihan Jiang , Hyeji Kim , Himanshu Asnani , Sreeram Kannan , Sewoong Oh , Pramod Viswanath

Neural Representations for Videos (NeRV) have simplified the video codec process and achieved swift decoding speeds by encoding video content into a neural network, presenting a promising solution for video compression. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Li Yu , Zhihui Li , Jimin Xiao , Moncef Gabbouj

We propose \textbf{U-Codec}, an \textbf{U}ltra low frame-rate neural speech \textbf{Codec} that achieves high-fidelity reconstruction and fast speech generation at an extremely low frame-rate of 5Hz (5 frames per second). Extreme…

Sound · Computer Science 2025-10-21 Xusheng Yang , Long Zhou , Wenfu Wang , Kai Hu , Shulin Feng , Chenxing Li , Meng Yu , Dong Yu , Yuexian Zou

Extreme Ultraviolet (EUV) photolithography is seen as the key enabler for increasing transistor density in the next decade. In EUV lithography, 13.5 nm EUV light is illuminated through a reticle, holding a pattern to be printed, onto a…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-22 Mohamed A. Bamakhrama , Alejandro Arrizabalaga , Frank Overman , Jean-Paul Smeets , Kornel van der Sommen , Remko van der Vossen , John Wagensveld

High efficiency video coding (HEVC) suffers high encoding computational complexity, partly attributed to the rate-distortion optimization quad-tree search in CU partition decision. Therefore, we propose a novel two-stage CU partition…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Chenying Wang , Li Yu , Shengwei Wang

With increasing quality requirements for multimedia communications, audio codecs must maintain both high quality and low delay. Typically, audio codecs offer either low delay or high quality, but rarely both. We propose a codec that…

Turbo-Codes (TC) are a family of convolutional codes enabling Forward-Error-Correction (FEC) while approaching the theoretical limit of channel capacity predicted by Shannons theorem. One of the bottlenecks of a Turbo Encoder (TE) lies in…

Information Theory · Computer Science 2023-08-30 Ohad Boxerman , Moshe Bensimon , Shlomo Greenberg , Yehuda Ben-Shimol