AIMC Topic: Thorax

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Iterative Low-Dose CT Reconstruction With Priors Trained by Artificial Neural Network.

IEEE transactions on medical imaging Sep 15, 2017
Dose reduction in computed tomography (CT) is essential for decreasing radiation risk in clinical applications. Iterative reconstruction algorithms are one of the most promising way to compensate for the increased noise due to reduction of photon flu...
Humans Neural Networks, Computer Algorithms Thorax Tomography, X-Ray Computed Abdomen Radiographic Image Interpretation, Computer-Assisted Radiation Dosage
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Performance comparison between wrist and chest actigraphy in combination with heart rate variability for sleep classification.

Computers in biology and medicine Aug 8, 2017
The concurrent usage of actigraphy and heart rate variability (HRV) for sleep efficiency quantification is still matter of investigation. This study compared chest (CACT) and wrist (WACT) actigraphy (actigraphs positioned on chest and wrist, respecti...
Female Adult Male Middle Aged Support Vector Machine Humans Polysomnography Sleep Stages Wrist Heart Rate Thorax Actigraphy
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Osteopathic manual therapy in heart failure patients: A randomized clinical trial.

Journal of bodywork and movement therapies Jul 29, 2017
BACKGROUND: Heart Failure (HF) patients usually present with increased arterial resistance and reduced blood pressure (BP) leading to an impaired functional capacity. Osteopathic Manual Therapy (OMT) focused on myofascial release techniques (MRT) and...
Pelvis Heart Failure Heart Rate Ultrasonography, Doppler Carotid Arteries Male Humans Thorax Middle Aged Female Brachial Artery Blood Pressure Aged Femoral Artery Single-Blind Method Adult Manipulation, Osteopathic
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Impact of robotics and a suspended lead suit on physician radiation exposure during percutaneous coronary intervention.

Cardiovascular revascularization medicine : including molecular interventions Dec 16, 2016
BACKGROUND: Reports of left-sided brain malignancies among interventional cardiologists have heightened concerns regarding physician radiation exposure. This study evaluated the impact of a suspended lead suit and robotic system on physician radiatio...
Radiation Protection Protective Clothing Radiation Dosimeters Percutaneous Coronary Intervention Linear Models Head Radiation Dosage Multivariate Analysis Radiography, Interventional Thorax Radiation Exposure Radiation Monitoring Lead Robotics Coronary Angiography Equipment Design Risk Assessment Time Factors Occupational Exposure Logistic Models Humans Physicians Prospective Studies Risk Factors
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Automatic segmentation of airway tree based on local intensity filter and machine learning technique in 3D chest CT volume.

International journal of computer assisted radiology and surgery Oct 28, 2016
PURPOSE: Airway segmentation plays an important role in analyzing chest computed tomography (CT) volumes for computerized lung cancer detection, emphysema diagnosis and pre- and intra-operative bronchoscope navigation. However, obtaining a complete 3...
Humans Organ Size Lung Diseases Automation Thorax Diagnosis, Computer-Assisted Machine Learning Imaging, Three-Dimensional Bronchi Algorithms Image Processing, Computer-Assisted Tomography, X-Ray Computed Support Vector Machine Lung Bronchoscopy
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Robot-assisted walking with the Lokomat: the influence of different levels of guidance force on thorax and pelvis kinematics.

Clinical biomechanics (Bristol, Avon) Jan 30, 2015
BACKGROUND: Little attention has been devoted to the thorax and pelvis movements during gait. The aim of this study is to compare differences in the thorax and pelvis kinematics during unassisted walking on a treadmill and during walking with robot a...
Robotics Pelvis Exercise Test Walking Female Humans Gait Adult Body Weight Biomechanical Phenomena Thorax Male Movement
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Development of system using beam's eye view images to measure respiratory motion tracking errors in image-guided robotic radiosurgery system.

Journal of applied clinical medical physics Jan 8, 2015
The accuracy of the CyberKnife Synchrony Respiratory Tracking System (SRTS) is considered to be patient-dependent because the SRTS relies on an individual correlation between the internal tumor position (ITP) and the external marker position (EMP), a...
Aged Radiotherapy, Image-Guided Aged, 80 and over Radiotherapy Setup Errors Male Respiratory-Gated Imaging Techniques Middle Aged Lung Neoplasms Humans Thorax Software Robotics Radiosurgery Algorithms Radiotherapy Planning, Computer-Assisted Patient Positioning Female Radiotherapy Dosage Phantoms, Imaging Radiotherapy, Intensity-Modulated Movement
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Attention-Aware Non-Rigid Image Registration for Accelerated MR Imaging.

IEEE transactions on medical imaging Aug 1, 2024
Accurate motion estimation at high acceleration factors enables rapid motion-compensated reconstruction in Magnetic Resonance Imaging (MRI) without compromising the diagnostic image quality. In this work, we introduce an attention-aware deep learning...
Humans Magnetic Resonance Imaging Heart Artifacts Algorithms Thorax Movement Adult Deep Learning Image Processing, Computer-Assisted
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[Research of electrical impedance tomography based on multilayer artificial neural network optimized by Hadamard product for human-chest models].

Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi Jun 25, 2024
Electrical impedance tomography (EIT) is a non-radiation, non-invasive visual diagnostic technique. In order to improve the imaging resolution and the removing artifacts capability of the reconstruction algorithms for electrical impedance imaging in ...
Image Processing, Computer-Assisted Electric Impedance Thorax Tomography Humans Neural Networks, Computer Algorithms Lung
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DKCNN: Improving deep kernel convolutional neural network-based COVID-19 identification from CT images of the chest.

Journal of X-ray science and technology Jan 1, 2024
BACKGROUND: An efficient deep convolutional neural network (DeepCNN) is proposed in this article for the classification of Covid-19 disease.
Algorithms Tomography, X-Ray Computed SARS-CoV-2 Humans Deep Learning Neural Networks, Computer Image Processing, Computer-Assisted Pandemics Coronavirus Infections COVID-19 Thorax Betacoronavirus Pneumonia, Viral
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