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https://www.readbyqxmd.com/read/28655052/automatic-detection-and-recognition-of-multiple-macular-lesions-in-retinal-optical-coherence-tomography-images-with-multi-instance-multilabel-learning
#1
Leyuan Fang, Liumao Yang, Shutao Li, Hossein Rabbani, Zhimin Liu, Qinghua Peng, Xiangdong Chen
No abstract text is available yet for this article.
June 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28654385/3d-fusion-framework-for-infarction-and-angiogenesis-analysis-in-a-myocardial-infarct-minipig-model
#2
Xu Zhenzhen, Bo Tao, Yu Li, Jun Zhang, Xiaochao Qu, Feng Cao, Jimin Liang
The combination of different modality images can provide detailed and comprehensive information for the prognostic assessment and therapeutic strategy of patients with ischemic heart disease. In this study, a 3D fusion framework is designed to integrate coronary computed tomography (CT) angiography (CTA), 2-deoxy-2-[(18)F]fluoro-D-glucose ([(18)F]DG) positron emission tomography (PET)/CT, and [(68)Ga]-1,4,7-triazacyclononane-1,4,7-triacetic acid-(Arg-Gly-Asp)2 ([(68)Ga]-NOTA-PRGD2) PET/CT images of the myocardial infarction model in minipigs...
January 1, 2017: Molecular Imaging
https://www.readbyqxmd.com/read/28654086/a-multiscale-dataset-for-understanding-complex-eco-hydrological-processes-in-a-heterogeneous-oasis-system
#3
Xin Li, Shaomin Liu, Qin Xiao, Mingguo Ma, Rui Jin, Tao Che, Weizhen Wang, Xiaoli Hu, Ziwei Xu, Jianguang Wen, Liangxu Wang
We introduce a multiscale dataset obtained from Heihe Watershed Allied Telemetry Experimental Research (HiWATER) in an oasis-desert area in 2012. Upscaling of eco-hydrological processes on a heterogeneous surface is a grand challenge. Progress in this field is hindered by the poor availability of multiscale observations. HiWATER is an experiment designed to address this challenge through instrumentation on hierarchically nested scales to obtain multiscale and multidisciplinary data. The HiWATER observation system consists of a flux observation matrix of eddy covariance towers, large aperture scintillometers, and automatic meteorological stations; an eco-hydrological sensor network of soil moisture and leaf area index; hyper-resolution airborne remote sensing using LiDAR, imaging spectrometer, multi-angle thermal imager, and L-band microwave radiometer; and synchronical ground measurements of vegetation dynamics, and photosynthesis processes...
June 27, 2017: Scientific Data
https://www.readbyqxmd.com/read/28653995/nutrinet-a-deep-learning-food-and-drink-image-recognition-system-for-dietary-assessment
#4
Simon Mezgec, Barbara Koroušić Seljak
Automatic food image recognition systems are alleviating the process of food-intake estimation and dietary assessment. However, due to the nature of food images, their recognition is a particularly challenging task, which is why traditional approaches in the field have achieved a low classification accuracy. Deep neural networks have outperformed such solutions, and we present a novel approach to the problem of food and drink image detection and recognition that uses a newly-defined deep convolutional neural network architecture, called NutriNet...
June 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28653808/a-novel-technique-for-reference-point-generation-to-aid-in-intraoral-scan-alignment
#5
Walter G Renne, Zachary P Evans, Anthony Mennito, Mark Ludlow
OBJECTIVE: When using a completely digital workflow on larger prosthetic cases it is often difficult to communicate to the laboratory or chairside Computer Aided Design and Computer Aided Manufacturing system the provisional prosthetic information. The problem arises when common hard tissue data points are limited or non-existent such as in complete arch cases in which the 3D model of the complete arch provisional restorations must be aligned perfectly with the 3D model of the complete arch preparations...
June 27, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28653579/automated-identification-of-northern-leaf-blight-infected-maize-plants-from-field-imagery-using-deep-learning
#6
Chad DeChant, Tyr Wiesner-Hanks, Siyuan Chen, Ethan L Stewart, Jason Yosinski, Michael A Gore, Rebecca Nelson, Hod Lipson
Northern leaf blight (NLB) can cause severe yield loss in maize, but scouting large areas to accurately diagnose the disease is time-consuming and difficult. We demonstrate a system capable of automatically identifying northern leaf blight (NLB) lesions in field-acquired images of maize plants with high reliability. This approach uses a computational pipeline of convolutional neural networks (CNNs) that addresses the challenges of limited data and the myriad irregularities that appear in images of field-grown plants...
June 27, 2017: Phytopathology
https://www.readbyqxmd.com/read/28653315/effectiveness-of-medtronic-carelink-express-system-in-identifying-patients-with-high-energy-electrotherapy-devices-requiring-clinically-significant-intervention
#7
Marcin Grabowski, Sabina Sadecka, Andrzej Cacko, Marcin Michalak, Leszek Blicharz, Paweł Balsam, Grzegorz Opolski
BACKGROUND: The number of patients with implantable cardioverter-defibrillator (ICD) or cardiac resynchronization therapy and defibrillator (CRT-D) is growing. This results in high workloads for centers performing standard controls (SC) of these systems. Medtronic CareLink Express (MCLE) is a solution enabling remote controls (RC) of implantable devices. In cases of detecting arrhythmias or device malfunctioning, it automatically generates alarms transmitted to the controlling physician...
June 27, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28653135/closed-loop-mechanical-ventilation-for-lung-injury-a-novel-physiological-feedback-mode-following-the-principles-of-the-open-lung-concept
#8
David Schwaiberger, Philipp A Pickerodt, Anake Pomprapa, Onno Tjarks, Felix Kork, Willehad Boemke, Roland C E Francis, Steffen Leonhardt, Burkhard Lachmann
Adherence to low tidal volume (VT) ventilation and selected positive end-expiratory pressures are low during mechanical ventilation for treatment of the acute respiratory distress syndrome. Using a pig model of severe lung injury, we tested the feasibility and physiological responses to a novel fully closed-loop mechanical ventilation algorithm based on the "open lung" concept. Lung injury was induced by surfactant washout in pigs (n = 8). Animals were ventilated following the principles of the "open lung approach" (OLA) using a fully closed-loop physiological feedback algorithm for mechanical ventilation...
June 26, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28653120/automation-of-radiation-treatment-planning-evaluation-of-head-and-neck-cancer-patient-plans-created-by-the-pinnacle-3-scripting-and-auto-planning-functions
#9
Stefan Speer, Andreas Klein, Lukas Kober, Alexander Weiss, Indra Yohannes, Christoph Bert
BACKGROUND: Intensity-modulated radiotherapy (IMRT) techniques are now standard practice. IMRT or volumetric-modulated arc therapy (VMAT) allow treatment of the tumor while simultaneously sparing organs at risk. Nevertheless, treatment plan quality still depends on the physicist's individual skills, experiences, and personal preferences. It would therefore be advantageous to automate the planning process. This possibility is offered by the Pinnacle(3) treatment planning system (Philips Healthcare, Hamburg, Germany) via its scripting language or Auto-Planning (AP) module...
June 26, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28653026/mono-di-and-tri-ssrs-data-extraction-storage-from-1403-virus-genomes-with-next-generation-retrieval-mechanism
#10
K V S S R Murthy, K V V Satyanarayana
Now a day׳s SSRs occupy the dominant role in different areas of bio-informatics like new virus identification, DNA finger printing, paternity & maternity identification, disease identification, future disease expectations and possibilities etc., Due to their wide applications in various fields and their significance, SSRs have been the area of interest for many researchers. In the SSRs extraction, retrieval algorithms are used; if retrieval algorithms quality is improved then automatically SSRs extraction system will achieve the most relevant results...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28653017/automatic-extraction-of-cell-nuclei-from-h-e-stained-histopathological-images
#11
Faliu Yi, Junzhou Huang, Lin Yang, Yang Xie, Guanghua Xiao
Extraction of cell nuclei from hematoxylin and eosin (H&E)-stained histopathological images is an essential preprocessing step in computerized image analysis for disease detection, diagnosis, and prognosis. We present an automated cell nuclei segmentation approach that works with H&E-stained images. A color deconvolution algorithm was first applied to the image to get the hematoxylin channel. Using a morphological operation and thresholding technique on the hematoxylin channel image, candidate target nuclei and background regions were detected, which were then used as markers for a marker-controlled watershed transform segmentation algorithm...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28652936/divide-and-conquer-dc-blast-fast-and-easy-blast-execution-within-hpc-environments
#12
Won Cheol Yim, John C Cushman
Bioinformatics is currently faced with very large-scale data sets that lead to computational jobs, especially sequence similarity searches, that can take absurdly long times to run. For example, the National Center for Biotechnology Information (NCBI) Basic Local Alignment Search Tool (BLAST and BLAST+) suite, which is by far the most widely used tool for rapid similarity searching among nucleic acid or amino acid sequences, is highly central processing unit (CPU) intensive. While the BLAST suite of programs perform searches very rapidly, they have the potential to be accelerated...
2017: PeerJ
https://www.readbyqxmd.com/read/28652623/automatic-inhibitory-function-in-the-human-somatosensory-and-motor-cortices-an-meg-mrs-study
#13
Chia-Hsiung Cheng, Shang-Yueh Tsai, Chia-Yih Liu, David M Niddam
While the automatic inhibitory function of the human cerebral cortex has been extensively investigated by means of electrophysiological recordings, the corresponding modulating neurochemical mechanisms remain unclear. We aimed to examine whether the primary somatosensory (SI) and primary motor cortical (MI) inhibitory function is associated with endogenous GABA levels. Eighteen young participants received paired-pulse and single-pulse electrical stimulation to the median nerve during magnetoencephalographic recordings...
June 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28651985/automatic-release-of-radiology-reports-via-an-online-patient-portal
#14
Grant Okawa, Karen Ching, Heather Qian, Ying Feng
No abstract text is available yet for this article.
June 24, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28651774/correlation-and-reliability-of-cone-beam-computed-tomography-nasopharyngeal-volumetric-and-area-measurements-as-determined-by-commercial-software-against-nasopharyngoscopy-supported-diagnosis-of-adenoid-hypertrophy
#15
Camila Pachêco-Pereira, Noura Alsufyani, Michael Major, Sandra Palomino-Gómez, José Roberto Pereira, Carlos Flores-Mir
INTRODUCTION: The aim of this study was to evaluate the diagnostic correlation and reliability of Dolphin Imaging fully automated segmentation (Dolphin Imaging and Management Solutions, Chatsworth, Calif) for assessing adenoid hypertrophy. This was investigated through 3 modes: (1) intraobserver and interobserver agreement of repeated airway auto-segmentation procedures, (2) correlation between auto-segmentation measures of volume and minimal cross-sectional airway against nasopharyngoscopy, and (3) optimum diagnostic cutoff thresholds for volume and minimal cross-sectional airway identified and tested with sensitivity and specificity analyses...
July 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28651485/intraoperative-left-atrium-inversion-after-implantation-of-heartmate-iii-ventricular-assist-device
#16
Ayşegül Ozgök, Z Asli Demir, Gökçe Sert, Doğan Sert, Zehra Gölbaşı, Umit Kervan
We report here a case of left atrium inversion after implanting HeartMate III LVAD, which is known to be the first in literature. LVAD can be functional only if there is adequate inflow to the device. Parameters and filling of left ventricle can be assessed by TEE. In our case, initial examination with TEE showed thrombus like images. HeartMate III has a reliable algorithm that automatically reduces pump speed if 'suction effect' is detected. HeartMate III demonstrates clean flow properties and good surface wash...
June 27, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28651340/linking-quality-indicators-to-clinical-trials-an-automated-approach
#17
Enrico Coiera, Miew Keen Choong, Guy Tsafnat, Peter Hibbert, William B Runciman
Objective: Quality improvement of health care requires robust measurable indicators to track performance. However identifying which indicators are supported by strong clinical evidence, typically from clinical trials, is often laborious. This study tests a novel method for automatically linking indicators to clinical trial registrations. Design: A set of 522 quality of care indicators for 22 common conditions drawn from the CareTrack study were automatically mapped to outcome measures reported in 13 971 trials from ClinicalTrials...
June 23, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28651071/an-independent-active-contours-segmentation-framework-for-bone-micro-ct-images
#18
Vasileios Ch Korfiatis, Simone Tassani, George K Matsopoulos
Micro-CT is an imaging technique for small tissues and objects that is gaining increased popularity especially as a pre-clinical application. Nevertheless, there is no well-established micro-CT segmentation method, while typical procedures lack sophistication and frequently require a degree of manual intervention, leading to errors and subjective results. To address these issues, a novel segmentation framework, called Independent Active Contours Segmentation (IACS), is proposed in this paper. The proposed IACS is based on two autonomous modules, namely automatic ROI extraction and IAC Evolution, which segments the ROI image using multiple Active Contours that evolve simultaneously and independently of one another...
June 19, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28651069/automatic-mpst-cut-for-segmentation-of-carpal-bones-from-mr-volumes
#19
Laura Gemme, Sonia Nardotto, Silvana G Dellepiane
In the context of rheumatic diseases, several studies suggest that Magnetic Resonance Imaging (MRI) allows the detection of the three main signs of Rheumatoid Arthritis (RA) at higher sensitivities than available through conventional radiology. The rapid, accurate segmentation of bones is an essential preliminary step for quantitative diagnosis, erosion evaluation, and multi-temporal data fusion. In the present paper, a new, semi-automatic, 3D graph-based segmentation method to extract carpal bone data is proposed...
June 12, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28650925/quantitative-analysis-of-the-inner-retinal-layer-thicknesses-in-age-related-macular-degeneration-using-corrected-optical-coherence-tomography-segmentation
#20
Ilkay Kilic Muftuoglu, Hema L Ramkumar, Dirk-Uwe Bartsch, Amit Meshi, Raouf Gaber, William R Freeman
PURPOSE: To characterize inner retinal damage in patients with dry age-related macular degeneration (AMD) using high-resolution spectral domain optical coherence tomography images. METHODS: Sixty eyes of 60 patients with AMD were categorized using the Age-Related Eye Disease Study (AREDS) severity scale. Spectral domain optical coherence tomography images of these patients were quantified by manually correcting the segmentation of each retinal layer, including the retinal nerve fiber layer, ganglion cell layer, and inner plexiform layer to ensure accurate delineation of layers...
June 23, 2017: Retina
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