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检索条件"主题词=noise reduction algorithm"
42 条 记 录,以下是1-10 订阅
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Optimization of search window and mask size for non-local means noise reduction algorithm in chest digital tomosynthesis: a phantom study
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JOURNAL OF THE KOREAN PHYSICAL SOCIETY 2024年 第7期84卷 566-572页
作者: Kim, Kyuseok Park, Minji Lim, Sewon Kim, Hajin Kang, Seong-Hyeon Jeong, Hyun-Woo Lee, Youngjin Eulji Univ Dept Biomed Engn Seongnam South Korea Gachon Univ Dept Hlth Sci Gen Grad Sch Incheon South Korea Gachon Univ Dept Radiol Sci Incheon South Korea
Among the parameters of non-local means (NLM) noise reduction algorithm, the search window and mask size have a great influence on the quality of diagnostic medical images. In this study, we aim to optimize the NLM no... 详细信息
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Double filter noise reduction algorithm optimized by RBF neural network for laser absorption spectroscopy
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INFRARED PHYSICS & TECHNOLOGY 2025年 145卷
作者: Ge, Qiang Xu, Dingli Cai, Qiannan Zhang, Gang Zhou, Sheng Li, Jingsong Xu, Linguang Anhui Polytech Univ Sch Math Phys & Finance Wuhu 241000 Peoples R China Anhui Univ Sch Phys & Optoelect Engn Laser Spect & Sensing Grp Hefei 230601 Peoples R China
Acetylene(C2H2) gas sensors are vital for monitoring the safety of atmospheric as well as industrial environments. In this paper, a high-sensitivity trace gas detection sensor for C2H2 has been developed using tunable... 详细信息
来源: 评论
noise reduction algorithm of Wind Turbine Blade Audio Signal based on Improved EMD
International Core Journal of Engineering
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International Core Journal of Engineering 2023年 第5期9卷 285-289页
作者: Xueming Zhai Pengcheng Yao
An improved empirical mode decomposition (EMD)‐based noise reduction method is designed, combining the EMD‐based threshold noise reduction method and Savitzky‐ Golay filter noise reduction method, which combines th... 详细信息
来源: 评论
Fast non-local means noise reduction algorithm with acceleration function for improvement of image quality in gamma camera system: A phantom study
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NUCLEAR ENGINEERING AND TECHNOLOGY 2019年 第3期51卷 719-722页
作者: Park, Chan Rok Lee, Youngjin Seoul Natl Univ Hosp Dept Nucl Med 101 Daehak Ro Seoul South Korea Gachon Univ Dept Radiol Sci 191 Hambakmoero Incheon South Korea
Gamma-ray images generally suffer from a lot of noise because of low photon detection in the gamma camera system. The purpose of this study is to improve the image quality in gamma-ray images using a gamma camera syst... 详细信息
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Performance evaluation of noise reduction algorithm with median filter using improved thresholding method in pixelated semiconductor gamma camera system: A numerical simulation study
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NUCLEAR ENGINEERING AND TECHNOLOGY 2019年 第2期51卷 439-443页
作者: Lee, Youngjin Gachon Univ Dept Radiol Sci 191 Hambakmoero Incheon South Korea
To improve the noise characteristics, software-based noise reduction algorithms are widely used in cadmium zinc telluride (CZT) pixelated semiconductor gamma camera system. The purpose of this study was to develop an ... 详细信息
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Total variation noise reduction algorithm in computed tomography image with custom-built phantom using 3D-printer
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RADIATION PHYSICS AND CHEMISTRY 2020年 170卷
作者: Kang, Seong-Hyeon Yoon, Myeong-Seong Han, Dong-Kyoon Lee, Youngjin Gachon Univ Dept Radiol Sci 191 Hambakmoero Incheon South Korea Eulji Univ Dept Radiol Sci 553 Sanseong Daero Gyeonggi Do South Korea
noise in computed tomography (CT) is unavoidable because of various factors such as patient-source-related errors, hardware error, and electrical interference, which lead to unwanted diagnosis errors. Therefore, to so... 详细信息
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Preliminary study of total variation noise reduction algorithm with high-energy industrial X-ray imaging system in nondestructive testing field
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RESULTS IN PHYSICS 2018年 10卷 348-352页
作者: Cho, Heemoon Lee, Youngjin FutureChem Co Ltd 21 Gwanjeodong RoYeonmujang 3 Gil Seoul South Korea Gachon Univ Coll Hlth Sci Dept Radiol Sci 191 Hambakmoero Incheon South Korea
Over the past years, many studies have evaluated the performance of nondestructive testing high-energy X-ray imaging methods. In these high-energy industrial X-ray imaging systems, the noise is very important when acc... 详细信息
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Optimising the effect of noise reduction algorithm ClearVoice in cochlear implant users by increasing the maximum comfort levels
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International Audiology 2018年 第3期57卷 230-235页
Objective: ClearVoice is a single-microphone noise reduction algorithm in Advanced Bionics cochlear implant(CI) systems with the aim to improve performance in background noise. The present study investigated a hypothe... 详细信息
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Improved cepstra minimum-mean-square-error noise reduction algorithm for robust speech recognition
Improved cepstra minimum-mean-square-error noise reduction a...
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IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Jinyu Li Yan Huang Yifan Gong Microsoft Corporation One Microsoft Way Redmond WA 98052 U.S.A.
In the era of deep learning, although beam-forming multi-channel signal processing is still very helpful, it was reported that single-channel robust front-ends usually cannot benefit deep learning models because the l... 详细信息
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Joint detection-decoding of majority-logic decodable non-binary low-density parity-check coded modulation systems: an iterative noise reduction algorithm
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IET COMMUNICATIONS 2014年 第10期8卷 1810-1819页
作者: Zhao, Shancheng Wang, Xuepeng Wang, Teng Bai, Baoming Ma, Xiao Sun Yat Sen Univ Dept Elect & Commun Engn Guangzhou 510275 Guangdong Peoples R China Xidian Univ State Key Lab ISN Xian 710071 Peoples R China
In this study, the authors present a low-complexity iterative joint detection-decoding algorithm for majority-logic decodable non-binary low-density parity-check (LDPC) coded modulation systems. In the proposed algori... 详细信息
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