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City models and height maps of urban areas serve as a valuable data source for numerous applications, such as disaster management or city planning. While this information is not globally available, it can be substituted by digital surface…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Lukas Liebel , Ksenia Bittner , Marco Körner

Spectrum sensing is a key technology for cognitive radios. We present spectrum sensing as a classification problem and propose a sensing method based on deep learning classification. We normalize the received signal power to overcome the…

Signal Processing · Electrical Eng. & Systems 2019-09-16 Shilian Zheng , Shichuan Chen , Peihan Qi , Huaji Zhou , Xiaoniu Yang

Developing deep learning techniques for geometric data is an active and fruitful research area. This paper tackles the problem of sphere-type surface learning by developing a novel surface-to-image representation. Using this representation…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Niv Haim , Nimrod Segol , Heli Ben-Hamu , Haggai Maron , Yaron Lipman

Pattern recognition from audio signals is an active research topic encompassing audio tagging, acoustic scene classification, music classification, and other areas. Spectrogram and mel-frequency cepstral coefficients (MFCC) are among the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-18 Md. Istiaq Ansari , Taufiq Hasan

Due to the Internet of Things (IoT) proliferation, Radio Frequency (RF) channels are increasingly congested with new kinds of devices, which carry unique and diverse communication needs. This poses complex challenges in modern digital…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Matthew Setzler , Elizabeth Coda , Jeremiah Rounds , Michael Vann , Michael Girard

Deep learning has consistently defied state-of-the-art techniques in many fields over the last decade. However, we are just beginning to understand the capabilities of neural learning in symbolic domains. Deep learning architectures that…

Machine Learning · Computer Science 2020-03-10 Henrique Lemos , Marcelo Prates , Pedro Avelar , Luis Lamb

Deep learning's success has been widely recognized in a variety of machine learning tasks, including image classification, audio recognition, and natural language processing. As an extension of deep learning beyond these domains, graph…

Machine Learning · Computer Science 2021-07-22 Zhiqian Chen , Fanglan Chen , Lei Zhang , Taoran Ji , Kaiqun Fu , Liang Zhao , Feng Chen , Lingfei Wu , Charu Aggarwal , Chang-Tien Lu

Compressive sensing (CS) has been studied and applied in structural health monitoring for wireless data acquisition and transmission, structural modal identification, and spare damage identification. The key issue in CS is finding the…

Signal Processing · Electrical Eng. & Systems 2019-03-25 Yuequan Bao , Zhiyi Tang , Hui Li

Deep learning methods, in particular trained Convolutional Neural Networks (CNNs) have recently been shown to produce compelling state-of-the-art results for single image Super-Resolution (SR). Invariably, a CNN is learned to map the low…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Tiantong Guo , Hojjat S. Mousavi , Vishal Monga

Structured low-rank (SLR) algorithms, which exploit annihilation relations between the Fourier samples of a signal resulting from different properties, is a powerful image reconstruction framework in several applications. This scheme relies…

Machine Learning · Computer Science 2020-08-11 Aniket Pramanik , Hemant Aggarwal , Mathews Jacob

In this paper, we optimize a faster region-based convolutional neural network (FRCNN) for 1-dimensional (1D) signal processing and electromagnetic spectrum sensing. We target a cluttered radio frequency (RF) environment, where multiple RF…

Signal Processing · Electrical Eng. & Systems 2023-02-21 Todd Morehouse , Charles Montes , Ruolin Zhou

Recently, deep neural networks (DNNs) have been the subject of intense research for the classification of radio frequency (RF) signals, such as synthetic aperture radar (SAR) imagery or micro-Doppler signatures. However, a fundamental…

Signal Processing · Electrical Eng. & Systems 2018-11-21 Mehmet Saygin Seyfioglu , Baris Erol , Sevgi Zubeyde Gurbuz , Moeness G. Amin

Deep kernel map networks have shown excellent performances in various classification problems including image annotation. Their general recipe consists in aggregating several layers of singular value decompositions (SVDs) -- that map data…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Mingyuan Jiu , Hichem Sahbi

This paper proposes an end-to-end deep reinforcement learning approach for mobile robot navigation with dynamic obstacles avoidance. Using experience collected in a simulation environment, a convolutional neural network (CNN) is trained to…

Robotics · Computer Science 2020-02-12 Guangda Chen , Lifan Pan , Yu'an Chen , Pei Xu , Zhiqiang Wang , Peichen Wu , Jianmin Ji , Xiaoping Chen

Depth completion aims to recover dense depth maps from sparse depth measurements. It is of increasing importance for autonomous driving and draws increasing attention from the vision community. Most of existing methods directly train a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Yan Xu , Xinge Zhu , Jianping Shi , Guofeng Zhang , Hujun Bao , Hongsheng Li

Spectrum sensing allows cognitive radio systems to detect relevant signals in despite the presence of severe interference. Most of the existing spectrum sensing techniques use a particular signal-noise model with certain assumptions and…

Information Theory · Computer Science 2021-12-07 Nupur Choudhury , Kandarpa Kumar Sarma , Chinmoy Kalita , Aradhana Misra

Deep learning has been used to image compressive sensing (CS) for enhanced reconstruction performance. However, most existing deep learning methods train different models for different subsampling ratios, which brings additional hardware…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Zhonghao Zhang , Yipeng Liu , Xingyu Cao , Fei Wen , Ce Zhu

Deep learning has been a groundbreaking technology in various fields as well as in communications systems. In spite of the notable advancements of deep neural network (DNN) based technologies in recent years, the high computational…

Information Theory · Computer Science 2018-08-08 Minhoe Kim , Woonsup Lee , Jungmin Yoon , Ohyun Jo

In Spectrum cartography (SC), the generation of exposure maps for radio frequency electromagnetic fields (RF-EMF) spans dimensions of frequency, space, and time, which relies on a sparse collection of sensor data, posing a challenging…

Machine Learning · Computer Science 2025-04-08 Mohammed Mallik , Davy P. Gaillot , Laurent Clavier

Deep learning has recently emerged as a disruptive technology to solve challenging radio resource management problems in wireless networks. However, the neural network architectures adopted by existing works suffer from poor scalability,…

Information Theory · Computer Science 2020-10-30 Yifei Shen , Yuanming Shi , Jun Zhang , Khaled B. Letaief