Results 21 to 30 of about 290,952 (260)

VLSI Implementation of QRS Complex Detector Based on Wavelet Decomposition

open access: yesIEEE Access, 2022
This paper presents a very large–scale integration chip for a novel discrete wavelet transform (DWT) based QRS complex detection algorithm. In many aspects of electrocardiogram (ECG) analyses, QRS complex detection is the first step.
Yuan-Ho Chen   +5 more
doaj   +1 more source

Adaptive R-Peak Detection Algorithm Based on Brown Exponential Smoothing Model

open access: yesIEEE Access, 2022
ECG is one of the most effective medical tests for heart disease diagnosis, and R-peak detection is the first step in ECG interpretation. For wearable ECG signals, the difficulty of R-peak detection mainly lies in the interference of dynamic strong noise,
Zihao Hao, Xiaoming Zhang, Zhengxi Lai
doaj   +1 more source

A novel method for deinterleaving radar signals: First‐order difference curve based on sorted TOA difference sequence

open access: yesIET Signal Processing, 2023
Radar signal deinterleaving is used to separate interleaved pulse streams in the electronic support measure (ESM) systems. The histogram methods based on the difference in time of arrival (TOA) are more mature in engineering applications than other ...
Min Xie   +4 more
doaj   +1 more source

Optic cup segmentation using adaptive threshold and morphological image processing

open access: yesCommunications in Science and Technology, 2019
Glaucoma is a chronic optic neuropathy. It was predicted that people with bilateral blindness caused by glaucoma will increase each year. Hence, computer-aided diagnosis of glaucoma was proposed to assist ophthalmologist to conduct a fast and accurate ...
Hanung Adi Nugroho   +3 more
doaj   +1 more source

Real-Time Obstacle Avoidance Based on Floor Detection for Mobile Robots

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020
Obstacle detection and avoidance are two main problems that demand solutions in the autonomous movement of mobile robots. To this end, the robots have been equipped with sensors and cameras.
Adem Hiçdurmaz, Adem Tuncer
doaj   +1 more source

Coal rock crack recognition method based on connectivity threshold segmentation

open access: yesGong-kuang zidonghua
The development morphology of coal rock cracks is an important factor affecting the permeability of coal rock and determining the mechanical features of coal rock mass.
XIAO Fukun, LIU Huanhuan, SHAN Lei
doaj   +1 more source

SAR image change detection based on equal weight image fusion and adaptive threshold in the NSST domain

open access: yesEuropean Journal of Remote Sensing, 2018
In order to improve the accuracy of change detection and reduce the running time, a change detection method based on equal weight image fusion and adaptive threshold in the NSST domain is proposed.
Zhou Wenyan   +4 more
doaj   +1 more source

Anomaly Detection of Wind Turbines Based on Deep Small-World Neural Network

open access: yesApplied Sciences, 2020
Accurate and efficient condition monitoring is the key to enhance the reliability and security of wind turbines. In recent years, an intelligent anomaly detection method based on deep learning networks has been receiving increasing attention.
Meng Li   +3 more
doaj   +1 more source

A PAM4 transceiver design scheme with threshold adaptive and tap adaptive

open access: yesEURASIP Journal on Advances in Signal Processing, 2023
To meet the demand of low bit error rate and high bandwidth for high-speed links, a reliable 112 Gb/s four-level pulse amplitude modulation (PAM4) transceiver design scheme with adaptive threshold voltage and adaptive decision feedback equalizer is ...
Xuena Liu   +5 more
doaj   +1 more source

An Adaptive Threshold Updating Algorithm for PMT-Based Ultraviolet Communication

open access: yesIEEE Photonics Journal
To address varying environmental conditions, this paper proposes an adaptive threshold updating algorithm for photomultiplier tube (PMT) signals in ultraviolet (UV) communication.
Jingyang Chen   +8 more
doaj   +1 more source

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