COVID-19 CT image denoising algorithm based on adaptive threshold and optimized weighted median filter

CT image of COVID-19 is disturbed by impulse noise during transmission and acquisition. Aiming at the problem that the early lesions of COVID-19 are not obvious and the density is low, which is easy to confuse with noise. A median filtering algorithm based on adaptive two-stage threshold is proposed...

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Vydané v:	Biomedical signal processing and control Ročník 75; s. 103552
Hlavní autori:	Guo, Shuli, Wang, Guowei, Han, Lina, Song, Xiaowei, Yang, Wentao
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	England Elsevier Ltd 01.05.2022
Predmet:	Adaptive threshold COVID-19 CT image Hybrid genetic algorithm Median filter Weighting parameters Weighting parameters Hybrid genetic algorithm Adaptive threshold Median filter COVID-19 CT image
ISSN:	1746-8094, 1746-8108, 1746-8094
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