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Semantic Communication (SC) combined with Vehicular edge computing (VEC) provides an efficient edge task processing paradigm for Internet of Vehicles (IoV). Focusing on highway scenarios, this paper proposes a Tripartite Cooperative…

Machine Learning · Computer Science 2025-12-11 Jingbo Zhang , Maoxin Ji , Qiong Wu , Pingyi Fan , Kezhi Wang , Wen Chen

The growing context length of Large Language Models (LLMs) enlarges the Key-Value (KV) cache, limiting deployment in resource-limited environments. Prior training-free approaches for KV cache compression typically rely on low-rank…

Computation and Language · Computer Science 2026-03-18 Yixuan Wang , Qingyu Shi , Jiayu Zhou , Dianbo Liu , Ziwei He , Zhouhan Lin

Semantic communication (SemCom) is an emerging paradigm that leverages semantic-level understanding to improve communication efficiency, particularly in resource-constrained scenarios. However, existing SemCom systems often overlook diverse…

Networking and Internet Architecture · Computer Science 2025-06-25 Xinyi Lin , Peizheng Li , Adnan Aijaz

The rapid advancement of generative artificial intelligence has spurred innovative approaches to semantic communication, giving rise to a new paradigm known as generative semantic communication (GSC). The integration of flexible cross-modal…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Yiru Wang , Wanting Yang , Fangli Mou , Zehui Xiong , Zide Fan , Shiwen Mao , Tony Q. S. Quek

Gradient quantization is an emerging technique in reducing communication costs in distributed learning. Existing gradient quantization algorithms often rely on engineering heuristics or empirical observations, lacking a systematic approach…

Machine Learning · Computer Science 2021-08-02 Guangfeng Yan , Shao-Lun Huang , Tian Lan , Linqi Song

Vector quantization(VQ) is a hardware-friendly DNN compression method that can reduce the storage cost and weight-loading datawidth of hardware accelerators. However, conventional VQ techniques lead to significant accuracy loss because the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Shuaiting Li , Chengxuan Wang , Juncan Deng , Zeyu Wang , Zewen Ye , Zongsheng Wang , Haibin Shen , Kejie Huang

Although semantic communication (SC) has shown its potential in efficiently transmitting multimodal data such as texts, speeches and images, SC for videos has focused primarily on pixel-level reconstruction. However, these SC systems may be…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Jiangyuan Guo , Wei Chen , Yuxuan Sun , Jialong Xu , Bo Ai

Vector quantization (VQ) is a method for deterministically learning features through discrete codebook representations. Recent works have utilized visual tokenizers to discretize visual regions for self-supervised representation learning.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Chenjing Ding , Chiyu Wang , Boshi Liu , Xi Guo , Weixuan Tang , Wei Wu

We propose a novel neural waveform compression method to catalyze emerging speech semantic communications. By introducing nonlinear transform and variational modeling, we effectively capture the dependencies within speech frames and…

Sound · Computer Science 2022-12-14 Shengshi Yao , Zixuan Xiao , Sixian Wang , Jincheng Dai , Kai Niu , Ping Zhang

Semantic communications provide significant performance gains over traditional communications by transmitting task-relevant semantic features through wireless channels. However, most existing studies rely on end-to-end (E2E) training of…

Signal Processing · Electrical Eng. & Systems 2024-12-10 Joohyuk Park , Yongjeong Oh , Yongjune Kim , Yo-Seb Jeon

While existing speech audio codecs designed for compression exploit limited forms of temporal redundancy and allow for multi-scale representations, they tend to represent all features of audio in the same way. In contrast, generative voice…

Sound · Computer Science 2025-09-22 Ryan Collette , Ross Greenwood , Serena Nicoll

Neural speech codecs have demonstrated their ability to compress high-quality speech and audio by converting them into discrete token representations. Most existing methods utilize Residual Vector Quantization (RVQ) to encode speech into…

Sound · Computer Science 2024-10-22 Peiji Yang , Fengping Wang , Yicheng Zhong , Huawei Wei , Zhisheng Wang

Vector quantization (VQ) transforms continuous image features into discrete representations, providing compressed, tokenized inputs for generative models. However, VQ-based frameworks suffer from several issues, such as non-smooth latent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Sicheng Yang , Xing Hu , Qiang Wu , Dawei Yang

One of the most significant bottleneck in training large scale machine learning models on parameter server (PS) is the communication overhead, because it needs to frequently exchange the model gradients between the workers and servers…

Machine Learning · Computer Science 2018-04-25 Guoxin Cui , Jun Xu , Wei Zeng , Yanyan Lan , Jiafeng Guo , Xueqi Cheng

A growing trend has emerged in designing high-quality Small Language Models (SLMs) with a few million parameters. This trend is driven by the increasing concerns over cloud costs, privacy, and latency. Considering that full parameter…

Machine Learning · Computer Science 2025-07-03 Xuan Shen , Peiyan Dong , Zhenglun Kong , Yifan Gong , Changdi Yang , Zhaoyang Han , Yanyue Xie , Lei Lu , Cheng Lyu , Chao Wu , Yanzhi Wang , Pu Zhao

Quantization is a fundamental optimization for many machine-learning use cases, including compressing gradients, model weights and activations, and datasets. The most accurate form of quantization is \emph{adaptive}, where the error is…

Machine Learning · Computer Science 2025-08-01 Ran Ben-Basat , Yaniv Ben-Itzhak , Michael Mitzenmacher , Shay Vargaftik

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

Diffusion Transformers (DiTs) achieve state-of-the-art video generation quality, but their substantial memory and computational footprints hinder edge deployment. Quantization can reduce these costs, yet existing methods often degrade video…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Wonsuk Jang , Thierry Tambe

Large Language Models (LLMs) are increasingly used in applications requiring long context lengths, but the key-value (KV) cache often becomes a memory bottleneck on GPUs as context grows. To address this, we propose Commutative Vector…

Large language models (LLMs) can now handle longer sequences of tokens, enabling complex tasks like book understanding and generating lengthy novels. However, the key-value (KV) cache required for LLMs consumes substantial memory as context…

Machine Learning · Computer Science 2024-11-13 Haojie Duanmu , Zhihang Yuan , Xiuhong Li , Jiangfei Duan , Xingcheng Zhang , Dahua Lin