Deep complex networks

C Trabelsi, O Bilaniuk, Y Zhang, D Serdyuk… - arXiv preprint arXiv …, 2017 - arxiv.org
At present, the vast majority of building blocks, techniques, and architectures for deep
learning are based on real-valued operations and representations. However, recent work on …

Complex-valued networks for automatic modulation classification

Y Tu, Y Lin, C Hou, S Mao - IEEE Transactions on Vehicular …, 2020 - ieeexplore.ieee.org
Deep learning (DL) has been recognized as an effective solution for automatic modulation
classification (AMC). However, most recent DL based AMC works are based on real-valued …

A regression approach to speech enhancement based on deep neural networks

Y Xu, J Du, LR Dai, CH Lee - IEEE/ACM transactions on audio …, 2014 - ieeexplore.ieee.org
In contrast to the conventional minimum mean square error (MMSE)-based noise reduction
techniques, we propose a supervised method to enhance speech by means of finding a …

A survey of complex-valued neural networks

J Bassey, L Qian, X Li - arXiv preprint arXiv:2101.12249, 2021 - arxiv.org
Artificial neural networks (ANNs) based machine learning models and especially deep
learning models have been widely applied in computer vision, signal processing, wireless …

The importance of phase in speech enhancement

K Paliwal, K Wójcicki, B Shannon - speech communication, 2011 - Elsevier
Typical speech enhancement methods, based on the short-time Fourier analysis-
modification-synthesis (AMS) framework, modify only the magnitude spectrum and keep the …

Fully complex-valued dendritic neuron model

S Gao, MC Zhou, Z Wang, D Sugiyama… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
A single dendritic neuron model (DNM) that owns the nonlinear information processing
ability of dendrites has been widely used for classification and prediction. Complex-valued …

SAR automatic target recognition method based on multi-stream complex-valued networks

Z Zeng, J Sun, Z Han, W Hong - IEEE transactions on …, 2022 - ieeexplore.ieee.org
In synthetic aperture radar automatic target recognition (SAR-ATR), target information is
usually propagated and reserved in complex-valued form, namely, magnitude information …

Speaker identification and verification by combining MFCC and phase information

S Nakagawa, L Wang, S Ohtsuka - IEEE transactions on audio …, 2011 - ieeexplore.ieee.org
In conventional speaker recognition methods based on Mel-frequency cepstral coefficients
(MFCCs), phase information has hitherto been ignored. In this paper, we propose a phase …

Color image analysis by quaternion-type moments

B Chen, H Shu, G Coatrieux, G Chen, X Sun… - Journal of mathematical …, 2015 - Springer
In this paper, by using the quaternion algebra, the conventional complex-type moments
(CTMs) for gray-scale images are generalized to color images as quaternion-type moments …

Advances in phase-aware signal processing in speech communication

P Mowlaee, R Saeidi, Y Stylianou - Speech communication, 2016 - Elsevier
During the past three decades, the issue of processing spectral phase has been largely
neglected in speech applications. There is no doubt that the interest of speech processing …