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A fundamental challenge in point cloud object detection lies in the conflict between the extreme sparsity of distant points and the need for remote context understanding. The existing methods typically use 1D serialization to expand the…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Bingwen Qiu , Yuan Liu , Junqi Bai , Tong Jiang , Ben Liang , Fangzhou Chen , Xiubao Sui , Qian Chen

Hybrid precoding can significantly reduce the number of required radio frequency (RF) chains and relieve the huge energy consumption in mmWave massive MIMO systems, thus attracting much interests from academic and industry. However, most…

信息论 · 计算机科学 2016-05-17 Tian Xie , Linglong Dai , Xinyu Gao , Muhammad Zeeshan Shakir , Zhaocheng Wang

Mobile edge computing (MEC) integrated with multiple radio access technologies (RATs) is a promising technique for satisfying the growing low-latency computation demand of emerging intelligent internet of things (IoT) applications. Under…

信息论 · 计算机科学 2021-08-19 Feng Wang , Vincent K. N. Lau

Collaboration among industrial Internet of Things (IoT) devices and edge networks is essential to support computation-intensive deep neural network (DNN) inference services which require low delay and high accuracy. Sampling rate adaption…

系统与控制 · 电气工程与系统科学 2023-01-03 Wen Wu , Peng Yang , Weiting Zhang , Conghao Zhou , Xuemin , Shen

Existing state-of-the-art saliency detection methods heavily rely on CNN-based architectures. Alternatively, we rethink this task from a convolution-free sequence-to-sequence perspective and predict saliency by modeling long-range…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Nian Liu , Ni Zhang , Kaiyuan Wan , Ling Shao , Junwei Han

In this paper, we investigate the downlink communication challenges in heavy-load Internet-of-Things (IoT) networks supported by frequency-division-duplexing (FDD) millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO)…

信号处理 · 电气工程与系统科学 2025-02-18 Jeongjae Lee , Songnam Hong

Random Access is a critical procedure using which a User Equipment (UE) identifies itself to a Base Station (BS). Random Access starts with the UE transmitting a random preamble on the Physical Random Access Channel (PRACH). In a…

信号处理 · 电气工程与系统科学 2024-11-15 Rohit Singh , Anil Kumar Yerrapragada , Radha Krishna Ganti

Current visual grounding models are either based on a Multimodal Large Language Model (MLLM) that performs auto-regressive decoding, which is slow and risks hallucinations, or on re-aligning an LLM with vision features to learn new special…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Weitai Kang , Jason Kuen , Mengwei Ren , Zijun Wei , Yan Yan , Kangning Liu

Visual Anomaly Detection (VAD) is a key task in industrial settings, where minimizing operational costs is essential. Deploying deep learning models within Internet of Things (IoT) environments introduces specific challenges due to limited…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Arianna Stropeni , Francesco Borsatti , Manuel Barusco , Davide Dalle Pezze , Marco Fabris , Gian Antonio Susto

In this paper, we propose an innovative learning-based channel prediction scheme so as to achieve higher prediction accuracy and reduce the requirements of huge amounts and strict sequential format of channel data. Inspired by the idea of…

信号处理 · 电气工程与系统科学 2023-11-30 Zhuoran Xiao , Zhaoyang Zhang , Zirui Chen , Zhaohui Yang , Chongwen Huang , Xiaoming Chen

The digital transformation faces tremendous security challenges. In particular, the growing number of cyber-attacks targeting Internet of Things (IoT) systems restates the need for a reliable detection of malicious network activity. This…

密码学与安全 · 计算机科学 2022-06-02 João Vitorino , Rui Andrade , Isabel Praça , Orlando Sousa , Eva Maia

Increasingly, Internet of Things (IoT) domains, such as sensor networks, smart cities, and social networks, generate vast amounts of data. Such data are not only unbounded and rapidly evolving. Rather, the content thereof dynamically…

机器学习 · 统计学 2018-01-19 Ali Pesaranghader , Herna Viktor , Eric Paquet

In this paper, a signal detection method based on the denoise diffusion model (DM) is proposed, which outperforms the maximum likelihood (ML) estimation method that has long been regarded as the optimal signal detection technique.…

系统与控制 · 电气工程与系统科学 2025-01-14 Xiucheng Wang , Peilin Zheng , Nan Cheng

Graph Neural Networks (GNNs) have achieved state-of-the-art performance in recommender systems. Nevertheless, the process of searching and ranking from a large item corpus usually requires high latency, which limits the widespread…

信息检索 · 计算机科学 2023-09-06 Huiyuan Chen , Kaixiong Zhou , Kwei-Herng Lai , Chin-Chia Michael Yeh , Yan Zheng , Xia Hu , Hao Yang

Despite the demonstrated effectiveness of transformer models in NLP, and image and video classification, the available tools for extracting features from captured IoT network flow packets fail to capture sequential patterns in addition to…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Hassan Wasswa , Timothy Lynar , Aziida Nanyonga , Hussein Abbass

Deep unfolding networks (DUNs) combine the interpretability of model-based methods with the learning ability of deep networks, yet remain limited for blind image restoration (BIR). Existing DUNs suffer from: (1) \textbf{Degradation-specific…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Chunming He , Rihan Zhang , Zheng Chen , Bowen Yang , Chengyu Fang , Yunlong Lin , Yulun Zhang , Fengyang Xiao , Sina Farsiu

Low-rank matrix estimation is a canonical problem that finds numerous applications in signal processing, machine learning and imaging science. A popular approach in practice is to factorize the matrix into two compact low-rank factors, and…

机器学习 · 计算机科学 2021-06-16 Tian Tong , Cong Ma , Yuejie Chi

We propose a new metaheuristic training scheme that combines Stochastic Gradient Descent (SGD) and Discrete Optimization in an unconventional way. Our idea is to define a discrete neighborhood of the current SGD point containing a number of…

机器学习 · 计算机科学 2019-06-05 Matteo Fischetti , Matteo Stringher

Most existing studies on massive grant-free access, proposed to support massive machine-type communications (mMTC) for the Internet of things (IoT), assume Rayleigh fading and perfect synchronization for simplicity. However, in practice,…

信息论 · 计算机科学 2024-01-15 Wang Liu , Ying Cui , Feng Yang , Lianghui Ding , Jun Sun

A novel time-efficient framework is proposed for improving the robustness of a broadband multiple-input multiple-output (MIMO) system against unknown interference under rapidly-varying channels. A mean-squared error (MSE) minimization…

信号处理 · 电气工程与系统科学 2025-03-04 Jingjing Zhao , Jing Su , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu , Naofal Al-Dhahir