activity
20142026
most citedQuaternion Gradient and Hessian

136 citations · 256 across the 15 of their papers we have counts for

collaborators

16 papers

cs.SD2026

Continuous Telemonitoring of Heart Failure using Personalised Speech Dynamics

Yue Pan, Xingyao Wang, Hanyue Zhang +6

Remote monitoring of heart failure (HF) via speech signals provides a non-invasive and cost-effective solution for long-term patient management. However, substantial inter-individu…

eess.AS2025

A Chinese Heart Failure Status Speech Database with Universal and Personalised Classification

Yue Pan, Liwei Liu, Changxin Li +4

Speech is a cost-effective and non-intrusive data source for identifying acute and chronic heart failure (HF). However, there is a lack of research on whether Chinese syllables con…

stat.ML2023★ 3 cited

The HR-Calculus: Enabling Information Processing with Quaternion Algebra

Danilo P. Mandic, Sayed Pouria Talebi, Clive Cheong Took +4

From their inception, quaternions and their division algebra have proven to be advantageous in modelling rotation/orientation in three-dimensional spaces and have seen use from the…

cs.IT2022

Optimality of the Proper Gaussian Signal in Complex MIMO Wiretap Channels

Yong Dong, Yinfei Xu, Tong Zhang +1

The multiple-input multiple-output (MIMO) wiretap channel (WTC), which has a transmitter, a legitimate user and an eavesdropper, is a classic model for studying information theoret…

cs.CV2022★ 14 cited

ASFD: Automatic and Scalable Face Detector

Jian Li, Bin Zhang, Yabiao Wang +6

Along with current multi-scale based detectors, Feature Aggregation and Enhancement (FAE) modules have shown superior performance gains for cutting-edge object detection. However,…

cs.IT2020

On the Distribution of SINR for Widely Linear MMSE MIMO Systems with Rectilinear or Quasi-Rectilinear Signals

Wei Deng, Yili Xia, Zhe Li +1

Although the widely linear least mean square error (WLMMSE) receiver has been an appealing option for multiple-input-multiple-output (MIMO) wireless systems, a statistical understa…

cs.IT2020★ 16 cited

A Full Second-Order Analysis of the Widely Linear MVDR Beamformer for Noncircular Signals

Zhe Li, Rui Pu, Yili Xia +2

A full performance analysis of the widely linear (WL) minimum variance distortionless response (MVDR) beamformer is introduced. While the WL MVDR is known to outperform its strictl…

cs.CV2020★ 11 cited

ACFD: Asymmetric Cartoon Face Detector

Bin Zhang, Jian Li, Yabiao Wang +5

Cartoon face detection is a more challenging task than human face detection due to many difficult scenarios is involved. Aiming at the characteristics of cartoon faces, such as hug…

cs.CV2020★ 7 cited

ASFD: Automatic and Scalable Face Detector

Bin Zhang, Jian Li, Yabiao Wang +7

In this paper, we propose a novel Automatic and Scalable Face Detector (ASFD), which is based on a combination of neural architecture search techniques as well as a new loss design…

eess.IV2019

Attention Mechanism Enhanced Kernel Prediction Networks for Denoising of Burst Images

Bin Zhang, Shenyao Jin, Yili Xia +2

Deep learning based image denoising methods have been extensively investigated. In this paper, attention mechanism enhanced kernel prediction networks (AME-KPNs) are proposed for b…

eess.SP2018★ 3 cited

A Data Analytics Perspective of the Clarke and Related Transforms in Power Grid Analysis

Danilo P. Mandic, Sithan Kanna, Yili Xia +2

Affordable and reliable electric power is fundamental to modern society and economy, with the Smart Grid becoming an increasingly important factor in power generation and distribut…

cs.IT2017★ 66 cited

An Augmented Nonlinear LMS for Digital Self-Interference Cancellation in Full-Duplex Direct-Conversion Transceivers

Zhe Li, Yili Xia, Wenjiang Pei +2

In future full-duplex communications, the cancellation of self-interference (SI) arising from hardware non-idealities will play an important role in the design of mobile-scale devi…

math.NA2017

Simultaneous diagonalisation of the covariance and complementary covariance matrices in quaternion widely linear signal processing

Min Xiang, Shirin Enshaeifar, Alexander E. Stott +4

Recent developments in quaternion-valued widely linear processing have established that the exploitation of complete second-order statistics requires consideration of both the stan…

eess.SY2016

A Distributed Quaternion Kalman Filter With Applications to Fly-by-Wire Systems

Sayed Pouria Talebi

The introduction of automated flight control and management systems have made possible aircraft designs that sacrifice arodynamic stability in order to incorporate stealth technolo…

eess.SY2014

Distributed Widely Linear Frequency Estimation in Unbalanced Three Phase Power Systems

Sithan Kanna, Dahir H. Dini, Yili Xia +2

A novel method for distributed estimation of the frequency of power systems is introduced based on the cooperation between multiple measurement nodes. The proposed distributed wide…

math.NA2014★ 136 cited

Quaternion Gradient and Hessian

Dongpo Xu, Danilo P. Mandic

The optimization of real scalar functions of quaternion variables, such as the mean square error or array output power, underpins many practical applications. Solutions often requi…