Sparisty Performance Of Endoscopic Ultrasound Signal Under Different Sparse Transforms
2020 15th Symposium on Piezoelectrcity, Acoustic Waves and Device Applications (SPAWDA)(2021)
摘要
This paper introduced the compressed sensing (CS) technique into endoscopic ultrasound (EUS). An In-vitro tissue experiment of swine digestive was designed to obtain high-quality EUS signals. Two kinds of EUS signals were obtained through traditional sinusoidal excitation and chirp coded excitation. Four types of sparse bases - discrete cosine transform (DCT), discrete wavelet transform (DWT), Had...
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关键词
Endoscopic ultrasound,Compressed sensing,Sparse transform
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