Ultrasound transient elastography technology has found its place in elastography because it is safe and easy to operate. However, it’s application in deep tissue is limited. The aim of this study is to design ...
Authors: Xianfen Diao, Jing Zhu, Xiaonian He, Xin Chen, Xinyu Zhang, Siping Chen and Weixiang Liu
Implicit shape-based reconstruction method in fluorescence molecular tomography (FMT) is capable of achieving higher image clarity than image-based reconstruction method. However, the implicit shape method suf...
Our aim is to introduce a method to enhance the design process of microelectrode array (MEA) based electric bioimpedance measurement systems for improved detection and viability assessment of living cells and ...
Authors: Marcel Böttrich, Jarno M. A. Tanskanen and Jari A. K. Hyttinen
Hemodynamic simulation for quantifying fractional flow reserve (FFR) is often performed in a patient-specific geometry of coronary arteries reconstructed from the images from various imaging modalities. Becaus...
Authors: Kyung Eun Lee, Seo Ho Lee, Eun-Seok Shin and Eun Bo Shim
The drainage portion of the vein of Labbé varies, and it is difficult to predict whether the operation is likely to damage this vein. The aim of this study was to correlate the microanatomy of the vein of Labb...
Authors: Qiong Fang, Anhong Jiang, Wei Tao and Lin Xin
Although robotic laparoscopic surgery has various benefits when compared with conventional open surgery and minimally invasive surgery, it also has issues to overcome and one of the issues is the discontinuous...
Authors: Myungjoon Kim, Chiwon Lee, Nhayoung Hong, Yoon Jae Kim and Sungwan Kim
Meibomian gland dysfunction (MGD) is one of the most common diseases observed in clinics and is the leading cause of evaporative dry eye. Today, diagnostics of MGD is not fully automatic yet and is based on a ...
Authors: Robert Koprowski, Lei Tian and Paweł Olczyk
The Electrocardiogram ECG is one of the most important non-invasive tools for cardiac diseases diagnosis. Taking advantage of the developed telecommunication infrastructure, several approaches that address the...
Authors: Mohamed Marouf, Goran Vukomanovic, Lazar Saranovac and Miroslav Bozic
In South Korea, an outbreak of Middle East respiratory syndrome (MERS) occurred in 2015. It was the second largest MERS outbreak. As a result of the outbreak in South Korea, 186 infections were reported, and 3...
Electrophysiological behavior is of great importance for analyzing the cardiac functional mechanism under cardiac physiological and pathological condition. Due to the complexity of cardiac structure and biophy...
Authors: Fei Yang, Lei Zhang, Weigang Lu, Yue Zhang, Wangmeng Zuo, Kuanquan Wang and Henggui Zhang
Short QT syndrome (SQTS) is a newly identified clinical disorder associated with atrial and/or ventricular arrhythmias and increased risk of sudden cardiac death (SCD). The SQTS variant 3 is linked to D172N mu...
Authors: Cunjin Luo, Kuanquan Wang and Henggui Zhang
Spectral domain optical coherence tomography (OCT) (SD-OCT) is most widely imaging equipment used in ophthalmology to detect diabetic macular edema (DME). Indeed, it offers an accurate visualization of the mor...
Authors: Khaled Alsaih, Guillaume Lemaitre, Mojdeh Rastgoo, Joan Massich, Désiré Sidibé and Fabrice Meriaudeau
Computed tomography (CT) is one of the popular tools for early detection of thyroid nodule. The pixel intensity of thyroid in CT image is very important information to distinguish nodule from normal thyroid ti...
Authors: Wenxian Peng, Chenbin Liu, Shunren Xia, Dangdang Shao, Yihong Chen, Rui Liu and Zhiping Zhang
In photoacoustic tomography (PAT), total variation (TV) based iteration algorithm is reported to have a good performance in PAT image reconstruction. However, classical TV based algorithm fails to preserve the...
Cephalometric radiography has been used for orthodontic and surgical treatment planning and assessment, and for quantifying mandibular growth. However, it remains unclear how head positioning errors and the le...
Authors: Hsien-Shu Lin, Yunn-Jy Chen, Hsuan-Lun Lu, Tung-Wu Lu and Chien-Chih Chen
The major therapy for ischemic stroke is thrombolytic treatment, but severe consequences occur when this method is used to treat hemorrhagic stroke. Currently, computed tomography and magnetic resonance imagin...
Authors: Qingguang Yan, Gui Jin, Ke Ma, Mingxin Qin, Wei Zhuang and Jian Sun
The imaging assessment of paraspinal muscle morphology and fatty infiltration has gained considerable attention in the past decades, with reports suggesting an association between muscle degenerative changes a...
Authors: Maryse Fortin, Mona Omidyeganeh, Michele Crites Battié, Omair Ahmad and Hassan Rivaz
In upper-extremity stroke rehabilitation applications, the potential use of Force Myography (FMG) for detecting grasping is especially relevant, as the presence of grasping may be indicative of functional acti...
In this paper we propose the use of global Kalman filters (KFs) to estimate absolute angles of lower limb segments. Standard approaches adopt KFs to improve the performance of inertial sensors based on individ...
Authors: Samuel L. Nogueira, Stefan Lambrecht, Roberto S. Inoue, Magdo Bortole, Arlindo N. Montagnoli, Juan C. Moreno, Eduardo Rocon, Marco H. Terra, Adriano A. G. Siqueira and Jose L. Pons
Joints kinematics assessment based on inertial measurement systems, which include attitude and heading reference system (AHRS), are quickly gaining in popularity for research and clinical applications. The var...
Authors: Karina Lebel, Patrick Boissy, Hung Nguyen and Christian Duval
Intra-arterial chemotherapy (IAC) for oral cancer can deliver a higher concentration of anticancer agent into a tumor-feeding artery than intravenous systemic chemotherapy. However, distribution of anticancer ...
Authors: Hiroaki Kitajima, Marie Oshima, Toshinori Iwai, Yoshihito Ohhara, Yasuharu Yajima, Kenji Mitsudo and Iwai Tohnai
The development of a suitable extracellular matrix (ECM) scaffold is the first step in vascular tissue engineering (VTE). Synthetic vascular grafts are available as an alternative to autologous vessels in larg...
Authors: Shuangyue Xu, Fangna Lu, Lianna Cheng, Chenglin Li, Xu Zhou, Yuan Wu, Hongxing Chen, Kaichuang Zhang, Lumin Wang, Junjie Xia, Guoliang Yan and Zhongquan Qi
Load cells are often used in rehabilitation robotics to monitor human–robot interaction. While load cells are accurate and suitable for the stationary end-point robots used in rehabilitation hospitals, their c...
Authors: N. Alavi, S. Zampierin, M. Komeili, S. Cocuzza, S. Debei and C. Menon
The challenge of reconstructing a sparse medical magnetic resonance image based on compressed sensing from undersampled k-space data has been investigated within recent years. As total variation (TV) performs wel...
Authors: Shanshan Chen, Hongwei Du, Linna Wu, Jiaquan Jin and Bensheng Qiu
Reliable detection of central fixation and eye alignment is essential in the diagnosis of amblyopia (“lazy eye”), which can lead to blindness. Our lab has developed and reported earlier a pediatric vision scre...
In the active shape model framework, principal component analysis (PCA) based statistical shape models (SSMs) are widely employed to incorporate high-level a priori shape knowledge of the structure to be segm...
Traditional brain age estimation methods are based on the idea that uses the real age as the training label. However, these methods ignore that there is a deviation between the real age and the brain age due t...
Authors: Yongming Li, Yuchuan Liu, Pin Wang, Jie Wang, Sha Xu and Mingguo Qiu
Pressure contour analysis is commonly used to estimate cardiac performance for patients suffering from cardiovascular dysfunction in the intensive care unit. However, the existing techniques for continuous est...
Authors: Shun Kamoi, Christopher Pretty, Joel Balmer, Shaun Davidson, Antoine Pironet, Thomas Desaive, Geoffrey M. Shaw and J. Geoffrey Chase
Tendon motion, which is commonly observed using ultrasound imaging, is one of the most important features used in tendinopathy diagnosis. However, speckle noise and out-of-plane issues make the tracking proces...
Authors: Bo-I Chuang, Jian-Han Hsu, Li-Chieh Kuo, I-Ming Jou, Fong-Chin Su and Yung-Nien Sun
Gravity is omnipresent on Earth; however, humans in space, such as astronauts at the International Space Station, experience microgravity. Long-term exposure to microgravity is considered to elicit physiologic...
Authors: Yoon Jae Kim, Ae Jin Jeong, Myungjoon Kim, Chiwon Lee, Sang-Kyu Ye and Sungwan Kim
Ultrasound imaging plays an important role in computer diagnosis since it is non-invasive and cost-effective. However, ultrasound images are inevitably contaminated by noise and speckle during acquisition. Noi...
Authors: Haiyan Li, Jun Wu, Aimin Miao, Pengfei Yu, Jianhua Chen and Yufeng Zhang
The invasive fractional flow reserve has been considered the gold standard for identifying ischaemia-related stenosis in patients with suspected coronary artery disease. Determining non-invasive FFR based on c...
Authors: Changzheng Shi, Dong Zhang, Kunlin Cao, Tao Zhang, Liangping Luo, Xin Liu and Heye Zhang
Safe robot-assisted intervention using magnetic resonance imaging (MRI) guidance requires the precise control of assistive devices, and most currently available tools are rarely MRI-compatible. To obtain high ...
Authors: Peyman Shokrollahi, James M. Drake and Andrew A. Goldenberg
Mammography is one of the most popular tools for early detection of breast cancer. Contour of breast mass in mammography is very important information to distinguish benign and malignant mass. Contour of benig...
The aim of this paper was to establish a minimally invasive method for deriving the left ventricular time varying elastance (TVE) curve beat-by-beat, the monitoring of which’s inter-beat evolution could add si...
Authors: Shaun Davidson, Chris Pretty, Antoine Pironet, Shun Kamoi, Joel Balmer, Thomas Desaive and J. Geoffrey Chase
Cytoskeleton is a highly dynamic network that helps to maintain the rigidity of a cell, and the mechanical properties of a cell are closely related to many cellular functions. This paper presents a new method ...
Authors: Guohua Bai, Ying Li, Henry K. Chu, Kaiqun Wang, Qiulin Tan, Jijun Xiong and Dong Sun
In this study, starch and polycaprolactone (PCL), composite nanofibers were fabricated by co-axial needle electrospinning technique. Processing parameters such as polymer concentration, flow rate and voltage h...
Authors: B. Komur, F. Bayrak, N. Ekren, M. S. Eroglu, F. N. Oktar, Z. A. Sinirlioglu, S. Yucel, O. Guler and O. Gunduz
Dual-source computed tomography (DSCT) is a very effective way for diagnosis and treatment of heart disease. The quantitative information of spatiotemporal DSCT images can be important for the evaluation of ca...
Authors: Xuesong Lu, Rongqian Yang, Qinlan Xie, Shanxing Ou, Yunfei Zha and Defeng Wang
Epiretinal prosthesis is one device for the treatment of blindness, which target retinal ganglion cells (RGCs) by electrodes on retinal surface. The stimulating current of epiretinal prosthesis is an important...
Studies have shown that turning is associated with more instability than straight walking and instability increases with turning angles. However, the precise relationship of changes in stability with the curva...
Authors: Rui Xu, Xin Wang, Jiajia Yang, Feng He, Xin Zhao, Hongzhi Qi, Peng Zhou and Dong Ming
Current clinically accepted technologies for cancer treatment still have limitations which lead to the exploration of new therapeutic methods. Since the past few decades, the hyperthermia treatment has attract...
The human gleno-humeral joint is normally represented as a spherical hinge and its center of rotation is used to construct humerus anatomical axes and as reduction point for the computation of the internal joi...
Authors: M. Crabolu, D. Pani, L. Raffo, M. Conti, P. Crivelli and A. Cereatti
Cardiac dysfunction constitutes common cardiovascular health issues in the society, and has been an investigation topic of strong focus by researchers in the medical imaging community. Diagnostic modalities ba...
Authors: Kelvin K. L. Wong, Defeng Wang, Jacky K. L. Ko, Jagannath Mazumdar, Thu-Thao Le and Dhanjoo Ghista
There have been concerns that Electromagnetic security systems such as walk-through metal detectors (WTMDs) can potentially cause electromagnetic interference (EMI) in certain active medical devices including ...
Authors: Joshua Guag, Bisrat Addissie and Donald Witters
In diffuse optical tomography (DOT), the image reconstruction is often an ill-posed inverse problem, which is even more severe for breast DOT since there are considerably increasing unknowns to reconstruct wit...
The sequence of Q, R, and S peaks (QRS) complex detection is a crucial procedure in electrocardiogram (ECG) processing and analysis. We propose a novel approach for QRS complex detection based on the determini...
Authors: Salah Hamdi, Asma Ben Abdallah and Mohamed Hedi Bedoui
Biomechanical deformable volumetric registration can help improve safety of surgical interventions by ensuring the operations are extremely precise. However, this technique has been limited by the accuracy and...
Authors: Weixin Si, Xiangyun Liao, Qiong Wang and Pheng Ann Heng
Haemodynamic performance of heart valve prosthesis can be defined as its ability to fully open and completely close during the cardiac cycle, neither overloading heart work nor damaging blood particles when p...
Authors: Francesca Maria Susin, Stefania Espa, Riccardo Toninato, Stefania Fortini and Giorgio Querzoli
Mitotic rate is routinely assessed in breast cancer cases and based on the assessment of 10 high power fields (HPF), a non-standard sample area, as per the College of American Pathologists cancer checklist. Th...
