no code implementations • 7 Feb 2025 • Ruoyu Zhang, Wen Wu, Xiaoming Chen, Zhen Gao, Yueming Cai
In this article, we systematically investigate the key techniques and essential obstacles for THz-ISAC-empowered UAV from a transceiver design perspective, with the highlight of its major challenges and key technologies.
1 code implementation • 20 Jan 2025 • Guangze Ye, Wen Wu, Guoqing Wang, Xi Chen, Hong Zheng, Liang He
The group recommendation (GR) aims to suggest items for a group of users in social networks.
no code implementations • 11 Jan 2025 • Wen Wu, Ziyun Cui, Chang Lei, Yinan Duan, Diyang Qu, Ji Wu, BoWen Zhou, Runsen Chen, Chao Zhang
The 1st SpeechWellness Challenge (SW1) aims to advance methods for detecting suicidal risk in adolescents using speech analysis techniques.
no code implementations • 29 Dec 2024 • Xi Chen, Yu Ji, Cong Xia, Wen Wu
The deep learning model is a useful tool to further improve prediction accuracy.
no code implementations • 17 Dec 2024 • Zuguang Li, Wen Wu, Shaohua Wu, Qiaohua Lin, Yaping Sun, Hui Wang
Large models (LMs) have immense potential in Internet of Things (IoT) systems, enabling applications such as intelligent voice assistants, predictive maintenance, and healthcare monitoring.
no code implementations • 27 Nov 2024 • Xiang Cheng, Zhi Mao, Ying Wang, Wen Wu
To solve the problem, we further propose a diffusion-based reinforcement learning algorithm, named Synthetic DDQN based Subtasks Scheduling, which can make adaptive task scheduling decision in real time.
no code implementations • 27 Nov 2024 • Jiayi Cong, Guoliang Cheng, Changsheng You, Xinyu Huang, Wen Wu
A two-timescale framework is proposed for computation resource allocation, mobile user association, and incremental training of user models.
no code implementations • 14 Oct 2024 • Haoyu Tu, Lin Chen, Zuguang Li, Xiaopei Chen, Wen Wu
Specifically, we design a mobility-aware vehicular federated learning (MAVFL) scheme in which vehicles drive through a road segment to perform FL.
no code implementations • 29 Jul 2024 • Wen Wu, Chao Zhang, Philip C. Woodland
Speech-based automatic detection of Alzheimer's disease (AD) and depression has attracted increased attention.
no code implementations • 26 Jul 2024 • Ruoyu Zhang, Lei Cheng, Wei zhang, Xinrong Guan, Yueming Cai, Wen Wu, Rui Zhang
In this letter, we investigate the channel estimation problem for MIMO wireless communication systems with movable antennas (MAs) at both the transmitter (Tx) and receiver (Rx).
no code implementations • 6 Jun 2024 • Ziyun Cui, Chang Lei, Wen Wu, Yinan Duan, Diyang Qu, Ji Wu, Runsen Chen, Chao Zhang
The early detection of suicide risk is important since it enables the intervention to prevent potential suicide attempts.
no code implementations • 2 Jun 2024 • Chen Chen, Yuchen Hu, Wen Wu, Helin Wang, Eng Siong Chng, Chao Zhang
In recent years, text-to-speech (TTS) technology has witnessed impressive advancements, particularly with large-scale training datasets, showcasing human-level speech quality and impressive zero-shot capabilities on unseen speakers.
no code implementations • 30 May 2024 • Mingjie Chen, Hezhao Zhang, Yuanchao Li, Jiachen Luo, Wen Wu, Ziyang Ma, Peter Bell, Catherine Lai, Joshua Reiss, Lin Wang, Philip C. Woodland, Xie Chen, Huy Phan, Thomas Hain
Previous work has utilised class weighted loss for training, but problems remain as it sometimes causes over-fitting for minor classes or under-fitting for major classes.
no code implementations • 24 May 2024 • Ziyun Cui, Ziyang Zhang, Wen Wu, Guangzhi Sun, Chao Zhang
Advances in large language models raise the question of how alignment techniques will adapt as models become increasingly complex and humans will only be able to supervise them weakly.
no code implementations • 19 Mar 2024 • Xue Xiong, Beixiong Zheng, A. Lee Swindlehurst, Jie Tang, Wen Wu
Electromagnetic wave absorbing material (EWAM) plays an essential role in manufacturing stealth aircraft, which can achieve the electromagnetic stealth (ES) by reducing the strength of the signal reflected back to the radar system.
no code implementations • 8 Mar 2024 • Zuguang Li, Wen Wu, Shaohua Wu, Wei Wang
Then, a two-layer optimization method is proposed to solve the MIP problem.
no code implementations • 28 Feb 2024 • Zhenxiao Cheng, Jie zhou, Wen Wu, Qin Chen, Liang He
To address this, we propose the Information Bottleneck-based Gradient (\texttt{IBG}) explanation framework for ABSA.
Aspect-Based Sentiment Analysis
Aspect-Based Sentiment Analysis (ABSA)
+1
no code implementations • 20 Feb 2024 • Wen Wu, Bo Li, Chao Zhang, Chung-Cheng Chiu, Qiujia Li, Junwen Bai, Tara N. Sainath, Philip C. Woodland
The evidential uncertainty measure is extended to quantify the uncertainty in emotion distribution estimation.
no code implementations • 19 Feb 2024 • Nineli Lashkarashvili, Wen Wu, Guangzhi Sun, Philip C. Woodland
Foundation models have shown superior performance for speech emotion recognition (SER).
no code implementations • 14 Dec 2023 • Yu Ji, Wen Wu, Yi Hu, Hong Zheng, Liang He
Few-shot prompting elicits the remarkable abilities of large language models by equipping them with a few demonstration examples in the input.
no code implementations • 6 Oct 2023 • Ziyun Cui, Wen Wu, Wei-Qiang Zhang, Ji Wu, Chao Zhang
Apart from the knowledge from speech-generic representations, this paper also proposes to simultaneously transfer the knowledge from a speech depression detection task based on the high comorbidity rates of depression and AD.
1 code implementation • 30 Sep 2023 • Wen Wu, Wenlin Chen, Chao Zhang, Philip C. Woodland
Human annotator simulation (HAS) serves as a cost-effective substitute for human evaluation such as data annotation and system assessment.
no code implementations • 22 Sep 2023 • Shutong Feng, Guangzhi Sun, Nurul Lubis, Wen Wu, Chao Zhang, Milica Gašić
Affect recognition, encompassing emotions, moods, and feelings, plays a pivotal role in human communication.
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+2
no code implementations • 19 Sep 2023 • Ziyang Ma, Wen Wu, Zhisheng Zheng, Yiwei Guo, Qian Chen, Shiliang Zhang, Xie Chen
In this paper, we explored how to boost speech emotion recognition (SER) with the state-of-the-art speech pre-trained model (PTM), data2vec, text generation technique, GPT-4, and speech synthesis technique, Azure TTS.
no code implementations • 31 Aug 2023 • Zhiying Feng, Xu Chen, Qiong Wu, Wen Wu, Xiaoxi Zhang, Qianyi Huang
FedDD consists of two key modules: dropout rate allocation and uploaded parameter selection, which will optimize the model parameter uploading ratios tailored to different clients' heterogeneous conditions and also select the proper set of important model parameters for uploading subject to clients' dropout rate constraints.
1 code implementation • 14 Aug 2023 • Wen Wu, Chao Zhang, Philip C. Woodland
Two metrics are proposed to evaluate AER performance with automatic segmentation based on time-weighted emotion and speaker classification errors.
no code implementations • 8 Jul 2023 • Yu Ji, Wen Wu, Hong Zheng, Yi Hu, Xi Chen, Liang He
Concretely, we employ a variety of prompting strategies to explore ChatGPT's ability in recognizing personality from given text, especially the level-oriented prompting strategy we designed for guiding ChatGPT in analyzing given text at a specified level.
1 code implementation • 26 Jun 2023 • Ye Wang, Huazheng Pan, Tao Zhang, Wen Wu, Wenxin Hu
Motivated by this, we propose a positive-augmentation and positive-mixup positive-unlabeled metric learning framework (P3M).
Document-level RE with incomplete labeling
Metric Learning
+1
1 code implementation • 11 Jun 2023 • Wen Wu, Chao Zhang, Philip C. Woodland
In automatic emotion recognition (AER), labels assigned by different human annotators to the same utterance are often inconsistent due to the inherent complexity of emotion and the subjectivity of perception.
no code implementations • 9 Jun 2023 • Xinyu Huang, Wen Wu, Xuemin Sherman Shen
In this paper, we propose a digital twin (DT)-assisted resource demand prediction scheme to enhance prediction accuracy for multicast short video streaming.
no code implementations • 20 May 2023 • Wen Wu, Chao Zhang, Philip C. Woodland
This paper proposes handling training data sparsity in speech-based automatic depression detection (SDD) using foundation models pre-trained with self-supervised learning (SSL).
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+5
no code implementations • 18 Apr 2023 • Guangze Ye, Wen Wu, Liye Shi, Wenxin Hu, Xin Chen, Liang He
Hyper-rectangles are then used to aggregate individual personalities to obtain the "Group Personality", which allows for the learning of personality distributions within the group.
no code implementations • 21 Feb 2023 • Zhenxiao Cheng, Jie zhou, Wen Wu, Qin Chen, Liang He
Gradient-based explanation methods play an important role in the field of interpreting complex deep neural networks for NLP models.
no code implementations • 2 Jan 2023 • Zhe Ma, Wen Wu, Feifei Gao, Xuemin, Shen
Trainable parameters are introduced in the DL-mAMPnet to approximate the correlated sparsity pattern and the large-scale fading coefficient.
no code implementations • 2 Jan 2023 • Wen Wu, Ning Zhang, Nan Cheng, Yujie Tang, Khalid Aldubaikhy, Xuemin, Shen
In this paper, we propose a device-to-device (D2D) assisted cooperative edge caching (DCEC) policy for millimeter (mmWave) dense networks, which cooperatively utilizes the cache resource of users and SBSs in proximity.
no code implementations • 2 Jan 2023 • Wen Wu, Nan Cheng, Ning Zhang, Peng Yang, Khalid Aldubaikhy, Xuemin, Shen
Since the derived BF training efficiency is an implicit function, to reveal the relationship between system parameters and BF training performance, we also derive an approximate expression of BF training efficiency.
no code implementations • 2 Jan 2023 • Xuemin, Shen, Jie Gao, Wen Wu, Mushu Li, Conghao Zhou, Weihua Zhuang
The pervasive network intelligence integrates AI into future networks from the perspectives of networking for AI and AI for networking, respectively.
no code implementations • 31 Dec 2022 • Wen Wu, Peng Yang, Weiting Zhang, Conghao Zhou, Xuemin, Shen
Specifically, sampling rate adaption, inference task offloading and edge computing resource allocation are jointly considered to minimize the average service delay while guaranteeing the long-term accuracy requirements of different inference services.
no code implementations • 31 Dec 2022 • Wen Wu, Kaige Qu, Peng Yang, Ning Zhang, Xuemin, Shen, Weihua Zhuang
Since the problem is NP-hard due to coupled network planning and network operation stages, we develop a Two timescAle netWork Slicing (TAWS) algorithm by collaboratively integrating reinforcement learning (RL) and optimization methods, which can jointly make network planning and operation decisions.
no code implementations • 13 Nov 2022 • Xinyu Huang, Mushu Li, Wen Wu, Conghao Zhou, Xuemin Sherman Shen
Particularly, two DTs are constructed for emulating the cloud-edge collaborative transcoding process by analyzing spatial-temporal information of individual videos and transcoding configurations of transcoding queues, respectively.
1 code implementation • 9 Nov 2022 • Wen Wu, Chao Zhang, Philip C. Woodland
Automatic emotion recognition in conversation (ERC) is crucial for emotion-aware conversational artificial intelligence.
no code implementations • 2 Nov 2022 • Jiayi Chen, Wen Wu, Liye Shi, Yu Ji, Wenxin Hu, Xi Chen, Wei Zheng, Liang He
We evaluate the effectiveness of the proposed model in terms of both accurate and calibrated sequential recommendation.
no code implementations • 9 May 2022 • Xinyu Huang, Conghao Zhou, Wen Wu, Mushu Li, Huaqing Wu, Xuemin, Shen
In this paper, we present a digital twin (DT)-assisted adaptive video streaming scheme to enhance personalized quality-of-experience (PQoE).
no code implementations • 29 Apr 2022 • Wen Wu, Mengyue Wu, Kai Yu
Automatic depression detection has attracted increasing amount of attention but remains a challenging task.
no code implementations • 22 Apr 2022 • Jiayi Chen, Wen Wu, Liye Shi, Yu Ji, Wenxin Hu, Wei Zheng, Liang He
In this work, we focus on the calibrated recommendations for sequential recommendation, which is connected to both fairness and diversity.
no code implementations • 8 Mar 2022 • Wen Wu, Chao Zhang, Xixin Wu, Philip C. Woodland
In this paper, a novel Bayesian training loss based on per-utterance Dirichlet prior distributions is proposed for verbal emotion recognition, which models the uncertainty in one-hot labels created when human annotators assign the same utterance to different emotion classes.
no code implementations • 25 Jan 2022 • Luwei Xiao, Xingjiao Wu, Wen Wu, Jing Yang, Liang He
This paper proposes a Multi-channel Attentive Graph Convolutional Network (MAGCN), consisting of two main components: cross-modality interactive learning and sentimental feature fusion.
no code implementations • 5 Dec 2021 • Jiayi Chen, Wen Wu, Wei Zheng, Liang He
Accurate predictions in session-based recommendations have progressed, but a few studies have focused on skewed recommendation lists caused by popularity bias.
no code implementations • 18 May 2021 • Wen Wu, Conghao Zhou, Mushu Li, Huaqing Wu, Haibo Zhou, Ning Zhang, Xuemin, Shen, Weihua Zhuang
Then, network slicing solutions are studied to support emerging AI services by constructing AI instances and performing efficient resource management, i. e., slicing for AI.
no code implementations • 3 Dec 2020 • Wen Wu, Nan Chen, Conghao Zhou, Mushu Li, Xuemin Shen, Weihua Zhuang, Xu Li
To obtain an optimal RAN slicing policy for accommodating the spatial-temporal dynamics of vehicle traffic density, we first formulate a constrained RAN slicing problem with the objective to minimize long-term system cost.
no code implementations • 27 Oct 2020 • Wen Wu, Chao Zhang, Philip C. Woodland
In this paper, a novel two-branch neural network model structure is proposed for multimodal emotion recognition, which consists of a time synchronous branch (TSB) and a time asynchronous branch (TAB).
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+6
no code implementations • 4 Oct 2020 • Conghao Zhou, Wen Wu, Hongli He, Peng Yang, Feng Lyu, Nan Cheng, Xuemin, Shen
Our objective is to design a task scheduling policy that minimizes offloading and computing delay of all tasks given the UAV energy capacity constraint.
no code implementations • 7 Apr 2020 • Xukun Zhang, Wenxin Hu, Wen Wu
Predicting the mutation status of genes in tumors is of great clinical significance.
no code implementations • 7 Sep 2019 • Wen Wu, Nan Cheng, Ning Zhang, Peng Yang, Weihua Zhuang, Xuemin, Shen
Beam alignment (BA) is to ensure the transmitter and receiver beams are accurately aligned to establish a reliable communication link in millimeter-wave (mmwave) systems.