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In this work, simulation-based equations to calculate propagation constant in uniform or periodic structures (SES) are deduced and verified through simulations in various types of structures. The modeling of those structures are essentially…

计算工程、金融与科学 · 计算机科学 2025-05-07 Yifan Yin , Bingjie Zhang , Ke Wu

The propagation of a Bessel beam (or Bessel-X wave) is analyzed on the basis of a vectorial treatment. The electric and magnetic fields are obtained by considering a realistic situation able to generate that kind of scalar field.…

光学 · 物理学 2009-11-11 D. Mugnai , I. Mochi

A structure-preserving Finite Element Method (FEM) for the transport equation in one- and two-dimensional domains is presented. This Distributed Parameter System (DPS) has non-collocated boundary control and observation, and reveals a…

数值分析 · 数学 2024-02-05 Jesus-Pablo Toledo-Zucco , Denis Matignon , Charles Poussot-Vassal

In this work, we propose a novel tree-based explanation technique, PEACH (Pretrained-embedding Explanation Across Contextual and Hierarchical Structure), that can explain how text-based documents are classified by using any pretrained…

计算与语言 · 计算机科学 2024-04-23 Feiqi Cao , Caren Han , Hyunsuk Chung

Integrated sensing and communications (ISAC) has opened up numerous game-changing opportunities for future wireless systems. In this paper, we develop a novel ISAC scheme that utilizes the diffusion model to sense the electromagnetic (EM)…

信号处理 · 电气工程与系统科学 2024-10-22 Yuhua Jiang , Feifei Gao , Shi Jin , Tie Jun Cui

Application for semantic segmentation models in areas such as autonomous vehicles and human computer interaction require real-time predictive capabilities. The challenges of addressing real-time application is amplified by the need to…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Ethan Goan , Clinton Fookes

One key task in environmental science is to map environmental variables continuously in space or even in space and time. Machine learning algorithms are frequently used to learn from local field observations to make spatial predictions by…

机器学习 · 统计学 2024-04-11 Hanna Meyer , Marvin Ludwig , Carles Milà , Jan Linnenbrink , Fabian Schumacher

In this work, the uplink channel estimation problem is considered for a millimeter wave (mmWave) multi-input multi-output (MIMO) system. It is well known that pilot overhead and computation complexity in estimating the channel increases…

Intermediate task transfer learning can greatly improve model performance. If, for example, one has little training data for emotion detection, first fine-tuning a language model on a sentiment classification dataset may improve performance…

计算与语言 · 计算机科学 2024-10-22 David Schulte , Felix Hamborg , Alan Akbik

This paper proposes a novel paradigm centered on Artificial Intelligence (AI)-empowered propagation channel prediction to address the limitations of traditional channel modeling. We present a comprehensive framework that deeply integrates…

信号处理 · 电气工程与系统科学 2026-01-15 Ruisi He , Mi Yang , Zhengyu Zhang , Bo Ai , Zhangdui Zhong

Semantic communications utilize the transceiver computing resources to alleviate scarce transmission resources, such as bandwidth and energy. Although the conventional deep learning (DL) based designs may achieve certain transmission…

信号处理 · 电气工程与系统科学 2023-02-28 Shuai Ma , Weining Qiao , Youlong Wu , Hang Li , Guangming Shi , Dahua Gao , Yuanming Shi , Shiyin Li , Naofal Al-Dhahir

Efficient feature selection from high-dimensional datasets is a very important challenge in many data-driven fields of science and engineering. We introduce a statistical mechanics inspired strategy that addresses the problem of sparse…

机器学习 · 统计学 2021-04-07 Alfredo Braunstein , Thomas Gueudré , Andrea Pagnani , Mirko Pieropan

Structured Prediction Energy Networks (SPENs) are a simple, yet expressive family of structured prediction models (Belanger and McCallum, 2016). An energy function over candidate structured outputs is given by a deep network, and…

机器学习 · 统计学 2017-07-18 David Belanger , Bishan Yang , Andrew McCallum

Pretrained Language Models (PLMs) have excelled in various Natural Language Processing tasks, benefiting from large-scale pretraining and self-attention mechanism's ability to capture long-range dependencies. However, their performance on…

计算与语言 · 计算机科学 2025-08-12 Chaoqun Cui , Siyuan Li , Kunkun Ma , Caiyan Jia

Deep learning based approaches have achieved significant progresses in different tasks like classification, detection, segmentation, and so on. Ensemble learning is widely known to further improve performance by combining multiple…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Danlu Chen , Xu-Yao Zhang , Wei Zhang , Yao Lu , Xiuli Li , Tao Mei

Software verification may yield spurious failures when environment assumptions are not accounted for. Environment assumptions are the expectations that a system or a component makes about its operational environment and are often specified…

软件工程 · 计算机科学 2021-01-07 Khouloud Gaaloul , Claudio Menghi , Shiva Nejati , Lionel C. Briand , Yago Isasi Parache

Semantic communication, as a revolutionary communication architecture, is considered a promising novel communication paradigm. Unlike traditional symbol-based error-free communication systems, semantic-based visual communication systems…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Senran Fan , Zhicheng Bao , Chen Dong , Haotai Liang , Xiaodong Xu , Ping Zhang

Parameter extension simulation (PES) as a mathematical method for simulating turbulent flows has been proposed in the study. It is defined as a calculation of the turbulent flow for the desired parameter values with the help of a reference…

流体动力学 · 物理学 2020-01-08 Yan Jin

Grain-edge segmentation (GES) and lithology semantic segmentation (LSS) are two pivotal tasks for quantifying rock fabric and composition. However, these two tasks are often treated separately, and the segmentation quality is implausible…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Yili Ren , Shiqi Wen , Li Hou , Dingwen Xiao , Weiming Zhang , Caleb Chen Cao , Lin Wang , Zilu Zheng , Qianxiao Su , Mingjun Zhao , Lei Chen

Spectral densities encode essential information about system-environment interactions in open-quantum systems, playing a pivotal role in shaping the system's dynamics. In this work, we leverage machine learning techniques to reconstruct key…

量子物理 · 物理学 2025-01-14 Jessica Barr , Alessandro Ferraro , Mauro Paternostro , Giorgio Zicari