English
Related papers

Related papers: Wavelet Classification for Over-the-Air Non-Orthog…

200 papers

Remarkable progress has been made in image recognition, primarily due to the availability of large-scale annotated datasets and the revival of deep CNN. CNNs enable learning data-driven, highly representative, layered hierarchical image…

Computer Vision and Pattern Recognition · Computer Science 2016-02-11 Hoo-Chang Shin , Holger R. Roth , Mingchen Gao , Le Lu , Ziyue Xu , Isabella Nogues , Jianhua Yao , Daniel Mollura , Ronald M. Summers

A Hyperspectral image contains much more number of channels as compared to a RGB image, hence containing more information about entities within the image. The convolutional neural network (CNN) and the Multi-Layer Perceptron (MLP) have been…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Uphar Singh , Kumar Saurabh , Neelaksh Trehan , Ranjana Vyas , O. P. Vyas

The utilization of Very Low Frequency (VLF) electromagnetic signals in navigation systems is widespread. However, the non-stationary behavior of lightning signals can affect VLF electromagnetic signal transmission. Accurately classifying…

Machine Learning · Statistics 2023-12-08 Jinghao Sun , Tingting Ji , Guoyu Wang , Rui Wang

We propose a novel deep learning-based channel estimation technique for high-dimensional communication signals that does not require any training. Our method is broadly applicable to channel estimation for multicarrier signals with any…

Signal Processing · Electrical Eng. & Systems 2019-04-23 Eren Balevi , Jeffrey G. Andrews

We propose a convolutional neural network (CNN) architecture for image classification based on subband decomposition of the image using wavelets. The proposed architecture decomposes the input image spectra into multiple critically sampled…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Pavel Sinha , Ioannis Psaromiligkos , Zeljko Zilic

This study introduces a WaveNet-based deep learning model designed to automate the classification of intracranial electroencephalography (iEEG) signals into physiological activity, pathological (epileptic) activity, power-line noise, and…

Machine Learning · Computer Science 2026-01-14 Casper van Laar , Khubaib Ahmed

The GHM multi-level discrete wavelet transform is proposed as preprocessing for image super resolution with convolutional neural networks. Previous works perform analysis with the Haar wavelet only. In this work, 37 single-level wavelets…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Ben Lowe , Hadi Salman , Justin Zhan

The accurate diagnosis of pathological subtypes of lung cancer is of paramount importance for follow-up treatments and prognosis managements. Assessment methods utilizing deep learning technologies have introduced novel approaches for…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Yuan Jin , Gege Ma , Geng Chen , Tianling Lyu , Jan Egger , Junhui Lyu , Shaoting Zhang , Wentao Zhu

Accurate channel estimation remains challenging in high-mobility wireless systems because Doppler shifts induce severe inter-carrier interference (ICI) in Orthogonal Frequency Division Multiplexing (OFDM). We propose an unsupervised online…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Bohao Shi , Tianfu Qi , Xiaonan Chen , Jun Wang

Transceivers used for telecommunications transmit and receive specific modulation patterns that are represented as sequences of complex numbers. Classifying modulation patterns is challenging because noise and channel impairments affect the…

Machine Learning · Computer Science 2020-10-30 Jakob Krzyston , Rajib Bhattacharjea , Andrew Stark

This work introduces a wavelet neural network to learn a filter-bank specialized to fit non-stationary signals and improve interpretability and performance for digital signal processing. The network uses a wavelet transform as the first…

Machine Learning · Computer Science 2022-05-09 Jason Stock , Chuck Anderson

Modulation classification, recognized as the intermediate step between signal detection and demodulation, is widely deployed in several modern wireless communication systems. Although many approaches have been studied in the last decades…

Signal Processing · Electrical Eng. & Systems 2020-09-07 Van-Sang Doan , Thien Huynh-The , Cam-Hao Hua , Quoc-Viet Pham , Dong-Seong Kim

Anomaly detection and localization in industrial images are essential for automated quality inspection. PaDiM, a prominent method, models the distribution of normal image features extracted by pre-trained Convolutional Neural Networks…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Cory Gardner , Byungseok Min , Tae-Hyuk Ahn

Convolutional Neural Networks (CNNs) have recently led to incredible breakthroughs on a variety of pattern recognition problems. Banks of finite impulse response filters are learned on a hierarchy of layers, each contributing more abstract…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Felipe Petroski Such , Shagan Sah , Miguel Dominguez , Suhas Pillai , Chao Zhang , Andrew Michael , Nathan Cahill , Raymond Ptucha

Cognitive communications have emerged as a promising solution to enhance, adapt, and invent new tools and capabilities that transcend conventional wireless networks. Deep learning (DL) is critical in enabling essential features of cognitive…

Signal Processing · Electrical Eng. & Systems 2022-04-05 Ahmet M. Elbir , Kumar Vijay Mishra

The recent advances in Gravitational-wave astronomy have greatly accelerated the study of Multimessenger astrophysics. There is a need for the development of fast and efficient algorithms to detect non-astrophysical transients and noises…

Signal Processing · Electrical Eng. & Systems 2020-09-28 Rahul Nigam , Amit Mishra , Pranath Reddy

Graph Convolutional Networks (GCNs) are predominantly tailored for graphs displaying homophily, where similar nodes connect, but often fail on heterophilic graphs. The strategy of adopting distinct approaches to learn from homophilic and…

Machine Learning · Computer Science 2025-04-09 Han Lei , Jiaxing Xu , Xia Dong , Yiping Ke

With the advent of powerful telescopes such as the Square Kilometer Array and the Vera C. Rubin Observatory, we are entering an era of multiwavelength transient astronomy that will lead to a dramatic increase in data volume. Machine…

Instrumentation and Methods for Astrophysics · Physics 2021-03-09 K. Sooknunan , M. Lochner , Bruce A. Bassett , H. V. Peiris , R. Fender , A. J. Stewart , M. Pietka , P. A. Woudt , J. D. McEwen , O. Lahav

Deep learning provides an excellent avenue for optimizing diagnosis and patient monitoring for clinical-based applications, which can critically enhance the response time to the onset of various conditions. For cardiovascular disease, one…

Machine Learning · Computer Science 2023-02-23 Ankur Samanta , Mark Karlov , Meghna Ravikumar , Christian McIntosh Clarke , Jayakumar Rajadas , Kaveh Hassani

This paper describes the architecture and performance of ORACLE, an approach for detecting a unique radio from a large pool of bit-similar devices (same hardware, protocol, physical address, MAC ID) using only IQ samples at the physical…

Signal Processing · Electrical Eng. & Systems 2018-12-05 Kunal Sankhe , Mauro Belgiovine , Fan Zhou , Shamnaz Riyaz , Stratis Ioannidis , Kaushik Chowdhury