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項次 書目
1
題名:Dependency of Ultrasonic Nakagami Images on The Mechanical Properties of Scattering Medium     (14點)
著者:Po-Hsiang TsuiYung-Liang WanYu-Ting ChienChia-Chun YehChiao-Yin Wang
出版地區:台灣
出版城市:台南市
學科:醫學綜合
關鍵字:Nakagami image ; Tissue stiffness ; Supersonic shear imaging
刊名:Journal of Medical and Biological Engineering
卷期:33卷1期(2013.2)
頁碼:95-101
語言:英語
摘要: 英文摘要PDF

Nakagami images based on backscattered statistics have been demonstrated to complement the ultrasonic B-scan technique for evaluating the arrangements and concentrations of scatterers in the scattering medium. This study explores the relationship between Nakagami images and the mechanical properties of the scattering medium. Experiments were performed on phantoms with various stiffnesses and scatterer concentrations. A commercial supersonic shear imaging system was used to measure the shear modulus of each phantom. The ultrasonic backscattered signals from the phantoms were acquired using a single-element ultrasound scanner for Nakagami imaging. The Nakagami images were compared with the supersonic shear images to explore the dependency of the Nakagami parameter on the medium stiffness. The brightness of the shading in the Nakagami image increased with increasing stiffness of the phantom. For the scattering medium with a low scatterer concentration (8 scatterers•mm-3), the average Nakagami parameter increased from 0.35 to 0.46 when the average shear modulus increased from 11.7 to 167.6 kPa. The average Nakagami parameter measured in the medium with a high scatterer concentration (32 scatterers•mm-3) increased from 0.8 to 0.89 when the shear modulus increased from 12.3 to 174.5 kPa. This study demonstrates that the features of Nakagami images depend on the stiffness of the scattering medium.


    

本卷期目次
Journal of Medical and Biological Engineering 33卷1期 (2013.2)
Review: Multimodal Evaluation of Tissue-Engineered Cartilage/ Joseph M. MansourJean F. Welter
In vivo Sonothrombolysis of Ear Marginal Vein of Rabbits Monitored with High-frequency Ultrasound Needle Transducer/ Rui-Min ChenDong-Guk PaengKwok Ho LamQi-Fa ZhouK. Kirk ShungNaoki MatsuokaMark S. Humayun
Detection of Myocardial Scars by Magnetic Field Imaging/ Matthias GoernigMario LiehrJana RichterJens Peter HeyneUwe LederHans Rainer FigullaJens Haueisen
Miniaturized Real-Time Oxygen Detection Systems Integrated with Optical Fiber by Doping Ru-Based Fluorescence Sensors/ Hon-Ming FangSong-Jeng HuangChin-Lung YangKung-Chia YoungCheng-Kai Yu
Prolonged Antibiotic Release by PLGA Encapsulation on Titanium Alloy/ Ming-Long YehKai-Hsiang ChenNai-Jen ChangHsin-Der ChenKuo-An Lai
Facile Method for Gold Nanocluster Synthesis and Fluorescence Control Using Toluene and Ultrasound/ Jimmy Kuan-Jung LiCherng-Jyh KeCheng-An J. LinZhi-Hua CaiChing-Yun ChenWalter H. Chang
Biomechanical Evaluation of a Modified Dorsal Double-plating Fixation with Adjustable Joint and Microthread Designs for Comminuted Extra-articular Distal Radius Fractures/ Yu-Hao LinAlvin Chao-Yu ChenHsien-Nan KuoTsung-Chih YuMing-Tsung SunChun-Li Lin
Non-contact Vibro-acoustic Detection Technique for Dental Osseointegration Examination/ Han-Bo ZhuangWei-Shan TuMin-Chun PanJer-Whey WuChin-Sung ChenShyh-Yuan LeeYuan-Chao Yang
Effects of b-Value and Echo Time on Magnetic Resonance Diffusion Tensor Imaging-Derived Parameters at 1.5 T: A Voxel-Wise Study/ Ming-Chung ChouE-Fong KaoSusumu Mori
Selectively Concentrating Cervical Carcinoma Cells from Red Blood Cells Utilizing Dielectrophoresis with Circular ITO Electrodes in Stepping Electric Fields/ Ching-Te HuangTamara G. AmstislavskayaGuang-Hong ChenHo-Hsien ChangYu-Hung ChenChun-Ping Jen
Classification of Small Lesions in Breast MRI: Evaluating The Role of Dynamically Extracted Texture Features Through Feature Selection/ Mahesh B. NagarajanMarkus B. HuberThomas SchlossbauerGerda LeinsingerAndrzej KrolAxel Wismüller
Intelligent Operating Theater: Technical Details for Information Broadcasting and Incident Detection System/ Takashi SuzukiKitaro YoshimitsuYoshihiro MuragakiHiroshi Iseki
Uninterrupted Wireless Long-Term Recording of Sleep Patterns and Autonomic Function in Freely Moving Rats/ I-Te HsiehCheryl Ching-Hsiu YangChun-Yu ChenGuo-She LeeFu-Jen KaoKuan-Liang KuoTerry Bo-Jau Kuo
A Sensitive Indicator of Hemodynamic Changes in The Lateral Prefrontal Cortex Using a Modified Version of "Rock, Paper, Scissors" as a Task Load/ Kenji MatsumotoSenichiro KikuchiFumikazu MiwakeichiYoshiki YamauchiMakio IshiguroEiju WatanabeSatoshi Kato
Dependency of Ultrasonic Nakagami Images on The Mechanical Properties of Scattering Medium/ Po-Hsiang TsuiYung-Liang WanYu-Ting ChienChia-Chun YehChiao-Yin Wang
 
   
 
   

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