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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…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Sicheng Yang , Xing Hu , Qiang Wu , Dawei Yang

Vision-Language Models (VLMs) achieve outstanding performance, yet their huge model size severely hinders deployment on edge devices with limited resources. As an efficient model compression technique, vector quantization (VQ) excels in…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Zhong Wang , Zukang Xu , Xing Hu , Dawei Yang

Semantic encoders and decoders for digital semantic communication (SC) often struggle to adapt to variations in unpredictable channel environments and diverse system designs. To address these challenges, this paper proposes a novel…

信号处理 · 电气工程与系统科学 2025-03-20 Yongjeong Oh , Joohyuk Park , Jinho Choi , Jihong Park , Yo-Seb Jeon

Mixture-of-Experts(MoE) Vision-Language Models (VLMs) offer remarkable performance but incur prohibitive memory and computational costs, making compression essential. Post-Training Quantization (PTQ) is an effective training-free technique…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Guangshuo Qin , Zhiteng Li , Zheng Chen , Weihang Zhang , Linghe Kong , Yulun Zhang

Emotional voice conversion (EVC) aims to change the emotional state of an utterance while preserving the linguistic content and speaker identity. In this paper, we propose a novel 2-stage training strategy for sequence-to-sequence emotional…

计算与语言 · 计算机科学 2021-06-10 Kun Zhou , Berrak Sisman , Haizhou Li

Although analog semantic communication systems have received considerable attention in the literature, there is less work on digital semantic communication systems. In this paper, we develop a deep learning (DL)-enabled vector quantized…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Qifan Fu , Huiqiang Xie , Zhijin Qin , Gregory Slabaugh , Xiaoming Tao

One-shot voice conversion (VC), which performs conversion across arbitrary speakers with only a single target-speaker utterance for reference, can be effectively achieved by speech representation disentanglement. Existing work generally…

音频与语音处理 · 电气工程与系统科学 2021-07-22 Disong Wang , Liqun Deng , Yu Ting Yeung , Xiao Chen , Xunying Liu , Helen Meng

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…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Shuaiting Li , Chengxuan Wang , Juncan Deng , Zeyu Wang , Zewen Ye , Zongsheng Wang , Haibin Shen , Kejie Huang

We study joint source-channel coding (JSCC) of compressed sensing (CS) measurements using vector quantizer (VQ). We develop a framework for realizing optimum JSCC schemes that enable encoding and transmitting CS measurements of a sparse…

信息论 · 计算机科学 2014-06-03 Amirpasha Shirazinia , Saikat Chatterjee , Mikael Skoglund

Current neural audio codecs typically use residual vector quantization (RVQ) to discretize speech signals. However, they often experience codebook collapse, which reduces the effective codebook size and leads to suboptimal performance. To…

音频与语音处理 · 电气工程与系统科学 2025-06-12 Rui-Chen Zheng , Hui-Peng Du , Xiao-Hang Jiang , Yang Ai , Zhen-Hua Ling

Mixture of Experts (MoE) models have achieved great success by significantly improving performance while maintaining computational efficiency through sparse expert activation. However, their enormous parameter sizes and memory demands pose…

机器学习 · 计算机科学 2026-02-25 Zukang Xu , Zhixiong Zhao , Xing Hu , Zhixuan Chen , Dawei Yang

Semantic communication technology emerges as a pivotal bridge connecting AI with classical communication. The current semantic communication systems are generally modeled as an Auto-Encoder (AE). AE lacks a deep integration of AI principles…

信号处理 · 电气工程与系统科学 2025-05-12 Yulong Feng , Jing Xu , Liujun Hu , Guanghui Yu , Xiangyang Duan

Vector Quantization (VQ) has emerged as a prominent weight compression technique, showcasing substantially lower quantization errors than uniform quantization across diverse models, particularly in extreme compression scenarios. However,…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Shuaiting Li , Juncan Deng , Chenxuan Wang , Kedong Xu , Rongtao Deng , Hong Gu , Haibin Shen , Kejie Huang

Semantic vector embedding techniques have proven useful in learning semantic representations of data across multiple domains. A key application enabled by such techniques is the ability to measure semantic similarity between given data…

计算与语言 · 计算机科学 2020-09-01 Shalisha Witherspoon , Dean Steuer , Graham Bent , Nirmit Desai

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…

机器学习 · 计算机科学 2025-12-11 Jingbo Zhang , Maoxin Ji , Qiong Wu , Pingyi Fan , Kezhi Wang , Wen Chen

Open-vocabulary semantic segmentation aims to assign pixel-level labels to images across an unlimited range of classes. Traditional methods address this by sequentially connecting a powerful mask proposal generator, such as the Segment…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Minhyeok Lee , Suhwan Cho , Jungho Lee , Sunghun Yang , Heeseung Choi , Ig-Jae Kim , Sangyoun Lee

Molecular communication (MC) provides a foundational framework for information transmission in the Internet of Bio-Nano Things (IoBNT), where efficiency and reliability are crucial. However, the inherent limitations of molecular channels,…

信号处理 · 电气工程与系统科学 2025-04-02 Hanlin Cai , Ozgur B. Akan

Existing vision tokenization isolates the optimization of vision tokenizers from downstream training, implicitly assuming the visual tokens can generalize well across various tasks, e.g., image generation and visual question answering. The…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Wenxuan Wang , Fan Zhang , Yufeng Cui , Haiwen Diao , Zhuoyan Luo , Huchuan Lu , Jing Liu , Xinlong Wang

End-to-end semantic communication (ESC) system is able to improve communication efficiency by only transmitting the semantics of the input rather than raw bits. Although promising, ESC has also been shown susceptible to the crafted physical…

信号处理 · 电气工程与系统科学 2023-03-31 Zeju Li , Xinghan Liu , Guoshun Nan , Jinfei Zhou , Xinchen Lyu , Qimei Cui , Xiaofeng Tao

Compared to the multi-stage self-supervised multi-view stereo (MVS) method, the end-to-end (E2E) approach has received more attention due to its concise and efficient training pipeline. Recent E2E self-supervised MVS approaches have…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Qiang Zhou , Chaohui Yu , Jingliang Li , Yuang Liu , Jing Wang , Zhibin Wang