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Related papers: Bridging the Geometry Mismatch: Frequency-Aware An…

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We address the problem of decomposing an image into albedo and shading. We propose the Fast Fourier Intrinsic Network, FFI-Net in short, that operates in the spectral domain, splitting the input into several spectral bands. Weights in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yanlin Qian , Miaojing Shi , Joni-Kristian Kämäräinen , Jiri Matas

The Fluid Antenna System (FAS) overcomes the spatial degree-of-freedom limitations of conventional static antenna arrays in wireless communications.This capability critically depends on acquiring full Channel State Information across all…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Xuehui Dong , Kai Wan , Shuangyang Li , Robert Caiming Qiu , Giuseppe Caire

Flexible Intelligent Metasurfaces (FIMs) enable wireless systems to adapt their three-dimensional geometry through morphing, thereby providing new spatial degrees of freedom. However, continuous deformation complicates the accurate…

Signal Processing · Electrical Eng. & Systems 2026-05-29 Vinícius L. Romano , André L. F. de Almeida , Daniel C. Araújo

Small subgraphs (graphlets) are important features to describe fundamental units of a large network. The calculation of the subgraph frequency distributions has a wide application in multiple domains including biology and engineering.…

Machine Learning · Computer Science 2022-07-15 Zhongren Chen , Xinyue Xu , Shengyi Jiang , Hao Wang , Lu Mi

Communication-avoiding Krylov methods require solving small dense Gram systems at each outer iteration. We present a low-synchronization approach based on Forward Gauss--Seidel (FGS), which exploits the structure of Gram matrices arising…

Numerical Analysis · Mathematics 2025-12-11 Stephen Thomas , Pasqua D'Ambra

Accurate segmentation is crucial for clinical applications, but existing models often assume fixed, high-resolution inputs and degrade significantly when faced with lower-resolution data in real-world scenarios. To address this limitation,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-22 Simon Winther Albertsen , Hjalte Svaneborg Bjørnstrup , Mostafa Mehdipour Ghazi

The reconfigurable intelligent surface (RIS) technology allows one to engineer spatial diversity in complex cellular networks. This paper provides a framework for the system-level performance assessment of RIS-assisted networks and in…

Information Theory · Computer Science 2024-11-12 Guodong Sun , Francois Baccelli , Ke Feng , Luis Uzeda Garcia , Stefano Paris

Network slicing over space division multiplexed elastic optical networks (SDM EONs) enables efficient multiservice provisioning on a shared optical substrate. However, embedding such slices requires coordinated spectrum and compute resource…

Networking and Internet Architecture · Computer Science 2026-04-15 Divya Khanure , Riti Gour , Congzhou Li , Jason P. Jue

The encoder-decoder framework is state-of-the-art for offline semantic image segmentation. Since the rise in autonomous systems, real-time computation is increasingly desirable. In this paper, we introduce fast segmentation convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-02-13 Rudra P K Poudel , Stephan Liwicki , Roberto Cipolla

Deep neural networks have become a mainstream approach to interactive segmentation. As we show in our experiments, while for some images a trained network provides accurate segmentation result with just a few clicks, for some unknown…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Konstantin Sofiiuk , Ilia Petrov , Olga Barinova , Anton Konushin

Temporal Forgery Localization (TFL) aims to precisely identify manipulated segments in video and audio, offering strong interpretability for security and forensics. While recent State Space Models (SSMs) show promise in precise temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Xiaodong Zhu , Suting Wang , Yuanming Zheng , Junqi Yang , Yangxu Liao , Yuhong Yang , Weiping Tu , Zhongyuan Wang

With new frequency bands opening up, emerging wireless IoT devices are capitalizing on an increasingly divergent range of frequencies. However, existing coverage provisioning practice is often tied to specific standards and frequencies.…

Networking and Internet Architecture · Computer Science 2023-06-06 Ruichun Ma , R. Ivan Zelaya , Wenjun Hu

In contrast to the abundant research focusing on large-scale models, the progress in lightweight semantic segmentation appears to be advancing at a comparatively slower pace. However, existing compact methods often suffer from limited…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Guoan Xu , Wenjing Jia , Tao Wu , Ligeng Chen

Graph alignment, the problem of identifying corresponding nodes across multiple graphs, is fundamental to numerous applications. Most existing unsupervised methods embed node features into latent representations to enable cross-graph…

Machine Learning · Computer Science 2025-09-30 Maysam Behmanesh , Erkan Turan , Maks Ovsjanikov

The nature of thick-slice scanning causes severe inter-slice discontinuities of 3D medical images, and the vanilla 2D/3D convolutional neural networks (CNNs) fail to represent sparse inter-slice information and dense intra-slice information…

Image and Video Processing · Electrical Eng. & Systems 2022-05-11 Zhangfu Dong , Yuting He , Xiaoming Qi , Yang Chen , Huazhong Shu , Jean-Louis Coatrieux , Guanyu Yang , Shuo Li

In this paper, a multi-user multi-hop hybrid FSO / RF system is presented. This structure is consisted of two main parts. The main motivation of presenting this structure is communication in long-range impassable links or some specific…

Signal Processing · Electrical Eng. & Systems 2018-11-21 Mohammad Ali Amirabadi

We investigate the influence of a fine-scale (FS) layered structure in the atmosphere on the propagation of infrasound signals generated by fragmenting meteoroids. Using a pseudo-differential parabolic equation (PPE) approach, we model…

Earth and Planetary Astrophysics · Physics 2025-10-07 Igor P. Chunchuzov , Oleg E. Popov , Elizabeth A. Silber , Segey N. Kulichkov

In the spatial channel models used in multi-antenna wireless communications, the propagation from a single-antenna transmitter (e.g., a user) to an M-antenna receiver (e.g., a Base Station) occurs through scattering clusters located in the…

Information Theory · Computer Science 2019-10-31 Yi Song , Mahdi Barzegar Khalilsarai , Saeid Haghighatshoar , Giuseppe Caire

Few-Shot Semantic Segmentation (FSS), which focuses on segmenting new classes in images using only a limited number of annotated examples, has recently progressed in data-scarce domains. However, in this work, we show that the existing FSS…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Zhuohao Li , Zhicheng Huang , Wenchao Liu , Zhuxin Zhang , Jianming Miao

Recently, graph mining approaches have become very popular, especially in domains such as bioinformatics, chemoinformatics and social networks. In this scope, one of the most challenging tasks is frequent subgraph discovery. This task has…

Databases · Computer Science 2016-08-24 Sabeur Aridhi , Laurent d'Orazio , Mondher Maddouri , Engelbert Mephu Nguifo
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