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Convolution Neural Networks is one of the most powerful tools in the present era of science. There has been a lot of research done to improve their performance and robustness while their internal working was left unexplored to much extent.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Rohit Gandikota , Deepak Mishra

Channel state information (CSI) is crucial for massive multi-input multi-output (MIMO) system. As the antenna scale increases, acquiring CSI results in significantly higher system overhead. In this letter, we propose a novel channel…

Signal Processing · Electrical Eng. & Systems 2024-08-14 Lianzheng Shi , Jianhua Zhang , Li Yu , Yuxiang Zhang , Zhen Zhang , Yichen Cai , Guangyi Liu

Channel State Information (CSI) provides a detailed description of the wireless channel and has been widely adopted for Wi-Fi sensing, particularly for high-precision indoor positioning. However, complete CSI is rarely available in…

Information Theory · Computer Science 2026-02-16 Ran Tao , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Channel charting (CC) applies dimensionality reduction to channel state information (CSI) data at the infrastructure basestation side with the goal of extracting pseudo-position information for each user. The self-supervised nature of CC…

Information Theory · Computer Science 2023-12-08 Sueda Taner , Maxime Guillaud , Olav Tirkkonen , Christoph Studer

Deep learning models have achieved promising results in breast cancer classification, yet their 'black-box' nature raises interpretability concerns. This research addresses the crucial need to gain insights into the decision-making process…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Ann-Kristin Balve , Peter Hendrix

In the past few years, an increasing number of machine-learning and deep learning structures, such as Convolutional Neural Networks (CNNs), have been applied to solving a wide range of real-life problems. However, these architectures are…

Cryptography and Security · Computer Science 2021-07-30 Amira Guesmi , Ihsen Alouani , Khaled Khasawneh , Mouna Baklouti , Tarek Frikha , Mohamed Abid , Nael Abu-Ghazaleh

Information transmission over a multiple-input-multiple-output (MIMO) fading channel with imperfect channel state information (CSI) is investigated, under a new receiver architecture which combines the recently proposed generalized nearest…

Information Theory · Computer Science 2021-09-02 Shuqin Pang , Wenyi Zhang

Deep neural networks are becoming popular and important assets of many AI companies. However, recent studies indicate that they are also vulnerable to adversarial attacks. Adversarial attacks can be either white-box or black-box. The…

Cryptography and Security · Computer Science 2019-07-25 Yun Xiang , Zhuangzhi Chen , Zuohui Chen , Zebin Fang , Haiyang Hao , Jinyin Chen , Yi Liu , Zhefu Wu , Qi Xuan , Xiaoniu Yang

Because of their state-of-the-art performance in computer vision, CNNs are becoming increasingly popular in a variety of fields, including medicine. However, as neural networks are black box function approximators, it is difficult, if not…

Computer Vision and Pattern Recognition · Computer Science 2018-09-12 Pieter Van Molle , Miguel De Strooper , Tim Verbelen , Bert Vankeirsbilck , Pieter Simoens , Bart Dhoedt

Face recognition has obtained remarkable progress in recent years due to the great improvement of deep convolutional neural networks (CNNs). However, deep CNNs are vulnerable to adversarial examples, which can cause fateful consequences in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Yinpeng Dong , Hang Su , Baoyuan Wu , Zhifeng Li , Wei Liu , Tong Zhang , Jun Zhu

The cellular wireless networks are evolving towards acquiring newer capabilities, such as sensing, which will support novel use cases and applications. Many of these require indoor sensing capabilities, which can be realized by exploiting…

Information Theory · Computer Science 2025-07-08 Vijaya Yajnanarayana , Philipp Geuer , Satyam Dwivedi

Massive MIMO systems rely on accurate Channel State Information (CSI) feedback to enable high-gain beam-forming. However, the feedback overhead scales linearly with the number of antennas, presenting a major bottleneck. While recent deep…

Systems and Control · Electrical Eng. & Systems 2025-12-17 Maryam Ansarifard , Mostafa Rahmani , Mohit K. Sharma , Kishor C. Joshi , George Exarchakos , Alister Burr

This paper proposes the use of deep autoencoders to compress the channel information in a \review{massive} multiple input and multiple output (MIMO) system. Although autoencoders perform lossy compression, they still have adequate…

Networking and Internet Architecture · Computer Science 2024-10-07 Faris B. Mismar , Aliye Özge Kaya

Movable antenna (MA) has attracted increasing attention in wireless communications due to its capability of wireless channel reconfiguration through local antenna movement within a confined region at the transmitter/receiver. However, to…

Signal Processing · Electrical Eng. & Systems 2025-05-28 Yitai Huang , Weidong Mei , Xin Wei , Zhi Chen , Boyu Ning

In this paper, we propose a robust and parsimonious approach using Deep Convolutional Neural Network (DCNN) to recognize and interpret interior space. DCNN has achieved incredible success in object and scene recognition. In this study we…

Computer Vision and Pattern Recognition · Computer Science 2016-10-11 Fan Zhang , Fabio Duarte , Ruixian Ma , Dimitrios Milioris , Hui Lin , Carlo Ratti

We describe a software toolbox for the configuration of deep neural networks in the domain of skin cancer classification. The implemented software architecture allows developers to quickly set up new convolutional neural network (CNN)…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Fabrizio Nunnari , Daniel Sonntag

Accurately tracking particles and determining their coordinate along the optical axis is a major challenge in optical microscopy, especially when extremely high precision is needed. In this study, we introduce a deep learning approach using…

Image and Video Processing · Electrical Eng. & Systems 2025-08-05 Andrey Alexandrov , Giovanni Acampora , Giovanni De Lellis , Antonia Di Crescenzo , Chiara Errico , Daria Morozova , Valeri Tioukov , Autilia Vittiello

Traditional global positioning systems often underperform indoors, whereas Wi-Fi has become an effective medium for various radio sensing services. Specifically, utilizing channel state information (CSI) from Wi-Fi networks provides a…

Signal Processing · Electrical Eng. & Systems 2024-12-04 Pei Tang , Jingtao Guo , Ivan Wang-Hei Ho

Channel charting (CC) is a self-supervised positioning technique whose main limitation is that the estimated positions lie in an arbitrary coordinate system that is not aligned with true spatial coordinates. In this work, we propose a novel…

Signal Processing · Electrical Eng. & Systems 2025-11-13 José Miguel Mateos-Ramos , Frederik Zumegen , Henk Wymeersch , Christian Häger , Christoph Studer

Massive multiple-input multiple-output (MIMO) is a promising approach for cellular communication due to its energy efficiency and high achievable data rate. These advantages, however, can be realized only when channel state information…

Information Theory · Computer Science 2015-04-01 Min Soo Sim , Jeonghun Park , Chan-Byoung Chae , Robert W. Heath
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