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This work studies gradient coding (GC) in the context of distributed training problems with unreliable communication. We propose cooperative GC (CoGC), a novel gradient-sharing-based GC framework that leverages cooperative communication…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-08 Shudi Weng , Ming Xiao , Chao Ren , Mikael Skoglund

The demand for edge AI in vision-language tasks requires models that achieve real-time performance on resource-constrained devices with limited power and memory. This paper proposes two adaptive compression techniques -- Sparse Temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Md Tasnin Tanvir , Soumitra Das , Sk Md Abidar Rahaman , Ali Shiri Sichani

Point cloud is a promising 3D representation for volumetric streaming in emerging AR/VR applications. Despite recent advances in point cloud compression, decoding and rendering high-quality images from lossy compressed point clouds is still…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Yueyu Hu , Ran Gong , Yao Wang

Spatial frequency analysis and transforms serve a central role in most engineered image and video lossy codecs, but are rarely employed in neural network (NN)-based approaches. We propose a novel NN-based image coding framework that…

Image and Video Processing · Electrical Eng. & Systems 2023-01-04 Hyomin Choi , Fabien Racape , Shahab Hamidi-Rad , Mateen Ulhaq , Simon Feltman

We consider a many-to-one wireless architecture for federated learning at the network edge, where multiple edge devices collaboratively train a model using local data. The unreliable nature of wireless connectivity, together with…

Networking and Internet Architecture · Computer Science 2021-02-17 Junshan Zhang , Na Li , Mehmet Dedeoglu

A new class of spatially-coupled turbo-like codes (SC-TCs), dubbed generalized spatially coupled parallel concatenated codes (GSC-PCCs), is introduced. These codes are constructed by applying spatial coupling on parallel concatenated codes…

Information Theory · Computer Science 2022-02-25 Min Qiu , Xiaowei Wu , Jinhong Yuan , Alexandre Graell i Amat

In recent years, end-to-end learnt video codecs have demonstrated their potential to compete with conventional coding algorithms in term of compression efficiency. However, most learning-based video compression models are associated with…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Tianhao Peng , Ge Gao , Heming Sun , Fan Zhang , David Bull

Parallel implementations of stochastic gradient descent (SGD) have received significant research attention, thanks to excellent scalability properties of this algorithm, and to its efficiency in the context of training deep neural networks.…

Machine Learning · Computer Science 2017-12-07 Dan Alistarh , Demjan Grubic , Jerry Li , Ryota Tomioka , Milan Vojnovic

Previous studies have demonstrated the effectiveness of point-based neural models on the point cloud analysis task. However, there remains a crucial issue on producing the efficient input embedding for raw point coordinates. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Zihao Li , Pan Gao , Kang You , Chuan Yan , Manoranjan Paul

While point cloud-based applications are gaining traction due to their ability to provide rich and immersive experiences, they critically need efficient coding solutions due to the large volume of data involved, often many millions of…

Image and Video Processing · Electrical Eng. & Systems 2026-02-03 André F. R. Guarda , Nuno M. M. Rodrigues , Fernando Pereira

Parameter-efficient fine-tuning (PEFT) significantly reduces computational and memory costs by updating only a small subset of the model's parameters, enabling faster adaptation to new tasks with minimal loss in performance. Previous…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Manish Dhakal , Venkat R. Dasari , Rajshekhar Sunderraman , Yi Ding

With growing demands for data privacy and model robustness, graph unlearning (GU), which erases the influence of specific data on trained GNN models, has gained significant attention. However, existing exact unlearning methods suffer from…

Machine Learning · Computer Science 2024-10-10 Fan Li , Xiaoyang Wang , Dawei Cheng , Wenjie Zhang , Ying Zhang , Xuemin Lin

Gaussian Splatting (GS) has recently emerged as a state-of-the-art representation for radiance fields, combining real-time rendering with high visual fidelity. However, GS models require storing millions of parameters, leading to large file…

Multimedia · Computer Science 2026-02-27 Pedro Martin , Antonio Rodrigues , Joao Ascenso , Maria Paula Queluz

Recently, deep learning-based image compression has made signifcant progresses, and has achieved better ratedistortion (R-D) performance than the latest traditional method, H.266/VVC, in both subjective metric and the more challenging…

Image and Video Processing · Electrical Eng. & Systems 2022-06-23 Haisheng Fu , Feng Liang , Jie Liang , Binglin Li , Guohe Zhang , Jingning Han

This paper proposes a topology-aware graph reinforcement learning approach to address the routing policy optimization problem in cloud server environments. The method builds a unified framework for state representation and structural…

Machine Learning · Computer Science 2025-09-08 Yuxi Wang , Heyao Liu , Guanzi Yao , Nyutian Long , Yue Kang

Building on recent advances in video generation, generative video compression has emerged as a new paradigm for achieving visually pleasing reconstructions. However, existing methods exhibit limited exploitation of temporal correlations,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xiaoyue Ling , Chuqin Zhou , Chunyi Li , Yunuo Chen , Yuan Tian , Guo Lu , Wenjun Zhang

3D Gaussian Splatting (3DGS) has substantial potential for enabling photorealistic Free-Viewpoint Video (FVV) experiences. However, the vast number of Gaussians and their associated attributes poses significant challenges for storage and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Qiang Hu , Zihan Zheng , Houqiang Zhong , Sihua Fu , Li Song , XiaoyunZhang , Guangtao Zhai , Yanfeng Wang

Existing techniques to compress point cloud attributes leverage either geometric or video-based compression tools. We explore a radically different approach inspired by recent advances in point cloud representation learning. Point clouds…

Image and Video Processing · Electrical Eng. & Systems 2020-06-23 Maurice Quach , Giuseppe Valenzise , Frederic Dufaux

Scalability and efficiency are desired in neural speech codecs, which supports a wide range of bitrates for applications on various devices. We propose a collaborative quantization (CQ) scheme to jointly learn the codebook of LPC…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-14 Kai Zhen , Mi Suk Lee , Jongmo Sung , Seungkwon Beack , Minje Kim

Optimizing computation in an edge-cloud system is an important yet challenging problem. In this paper, we consider a three-way trade-off between bit rate, classification accuracy, and encoding complexity in an edge-cloud image…

Image and Video Processing · Electrical Eng. & Systems 2022-11-21 Zhihao Duan , Fengqing Zhu