141 resources related to Sternum
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INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.
The conference program will consist of plenary lectures, symposia, workshops andinvitedsessions of the latest significant findings and developments in all the major fields ofbiomedical engineering.Submitted papers will be peer reviewed. Accepted high quality paperswill be presented in oral and postersessions, will appear in the Conference Proceedings and willbe indexed in PubMed/MEDLINE & IEEE Xplore
The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.
The International Conference on Image Processing (ICIP), sponsored by the IEEE SignalProcessing Society, is the premier forum for the presentation of technological advances andresearch results in the fields of theoretical, experimental, and applied image and videoprocessing. ICIP 2019, the 26th in the series that has been held annually since 1994, bringstogether leading engineers and scientists in image and video processing from around the world.
International Geosicence and Remote Sensing Symposium (IGARSS) is the annual conference sponsored by the IEEE Geoscience and Remote Sensing Society (IEEE GRSS), which is also the flagship event of the society. The topics of IGARSS cover a wide variety of the research on the theory, techniques, and applications of remote sensing in geoscience, which includes: the fundamentals of the interactions electromagnetic waves with environment and target to be observed; the techniques and implementation of remote sensing for imaging and sounding; the analysis, processing and information technology of remote sensing data; the applications of remote sensing in different aspects of earth science; the missions and projects of earth observation satellites and airborne and ground based campaigns. The theme of IGARSS 2019 is “Enviroment and Disasters”, and some emphases will be given on related special topics.
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.
Imaging methods applied to living organisms with emphasis on innovative approaches that use emerging technologies supported by rigorous physical and mathematical analysis and quantitative evaluation of performance.
Rehabilitation aspects of biomedical engineering, including functional electrical stimulation, acoustic dynamics, human performance measurement and analysis, nerve stimulation, electromyography, motor control and stimulation, and hardware and software applications for rehabilitation engineering and assistive devices.
Plasma science and engineering, including: magnetofluid dynamics and thermionics; plasma dynamics; gaseous electronics and arc technology; controlled thermonuclear fusion; electron, ion, and plasma sources; space plasmas; high-current relativistic electron beams; laser-plasma interactions; diagnostics; plasma chemistry and colloidal and solid-state plasmas.
2011 Workshop on Digital Media and Digital Content Management, 2011
In this paper, we present a method based on the revised L<sup>2</sup> depth to detect the abnormal markers in the motion capture system. Firstly, we propose the definition of the revised L<sup>2</sup> depth, and the algorithm of the depth is also presented. Secondly, the algorithm of detection using the derivatives of the markers' trajectories is discussed. The results in the ...
Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society, 1995
We provide quantitative information on the effects of selected inhomogeneities and anisotropies on the finite element solution of the forward electrocardiographic field problem. The geometry of the model is based on the Utah Torso model and includes epicardial fatpads, cardiac chambers, major arteries and veins, sternum, ribs, spine and clavicles. Experimentally measured epicardial potentials were used for the electrical source ...
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991, 1991
2014 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2014
Introduction - The TASER®conducted electrical weapon (CEW) delivers electrical pulses that can temporarily incapacitate subjects. We analyzed the distribution of TASER CEW currents in tissues posterior to the sternum to understand the likelihood of triggering cardiac arrhythmias. We also assessed the electrical `shielding' effects of the sternum. Methods and Results - Finite element modeling (FEM) was used to approximate the ...
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ, 1993
In this paper, we present a method based on the revised L<sup>2</sup> depth to detect the abnormal markers in the motion capture system. Firstly, we propose the definition of the revised L<sup>2</sup> depth, and the algorithm of the depth is also presented. Secondly, the algorithm of detection using the derivatives of the markers' trajectories is discussed. The results in the experiment shows the validity of the method.
We provide quantitative information on the effects of selected inhomogeneities and anisotropies on the finite element solution of the forward electrocardiographic field problem. The geometry of the model is based on the Utah Torso model and includes epicardial fatpads, cardiac chambers, major arteries and veins, sternum, ribs, spine and clavicles. Experimentally measured epicardial potentials were used for the electrical source and solutions were computed using the finite element (FE) method. Simulations were performed varying the conductivities assigned to the different structures in the model including anisotropic configurations of the skeletal muscle. Results showed the anisotropic skeletal muscle had a significant impact on the distribution of electrocardiographic fields with an average of 13% percent difference front the homogeneous isotropic case.
Introduction - The TASER®conducted electrical weapon (CEW) delivers electrical pulses that can temporarily incapacitate subjects. We analyzed the distribution of TASER CEW currents in tissues posterior to the sternum to understand the likelihood of triggering cardiac arrhythmias. We also assessed the electrical `shielding' effects of the sternum. Methods and Results - Finite element modeling (FEM) was used to approximate the current density and electric field strength in tissues around the sternum. We analyzed 2 CEW dart deployment scenarios: (a) both darts over the anterior aspect of the sternum; and (b) a CEW dart anterior to the sternum and the other over the abdomen. In both scenarios, the sternum provided significant attenuation of CEW currents. Particularly, both FEMs predicted that the residual electrical current or charge from CEWs would be insufficient to cause either cardiac capture or induction of ventricular fibrillation at locations where cardiac tissue would reside relative to the posterior aspect of the sternum. Conclusion - The sternum offers significant `shielding' effect and protects the tissues posterior to it against effects of electrical current flow from anteriorly- placed CEW electrodes.
Presents the consistency of percussion in a clinical environment. By measuring the input to the system and then obtaining the response to such a stimulus one is then able to model the system as a transfer function, assuming that nonlinearity is not significant. However, in order to eliminate the need to measure the input to the system one is required to determine besides general consistency the input characteristics across different medical personnel. This work shows that the input is consistent, providing one has experienced percussion. The authors present Phase Space portraits (measured signal against its first derivative) since graphical representation is substantially easier to cross compare than blind statistics which alone generally do not have an intuitive meaning.
A fully automatic novel algorithm based on graph cuts is presented for accurate and fast segmentation and isolation of human vertebral column and ribs in multi detector computed tomography (MDCT) images. The segmentation is followed by a two-step isolation method to remove mis-segmented parts such as the sternum, clavicle and scapula. The proposed algorithm was tested on 18 patient datasets, with 5 slices from each dataset compared to the reference delineation provided by a radiologist. The experiments were performed on both 2-D (with 4 and 8 neighbours) and 3-D (with 6 and 26 neighbours) graphs with wide range of parameter values. Based on our evaluation, the 2-D, 4 neighbours graph shows high performance (Dice similarity coefficient ≈ 92.5%) with low running time (57.86 s for a 346 slice dataset) and is recommended for accurate and fast segmentation of the vertebral column and ribs.
In this study, it was tested whether deep and shallow breathing has an effect on the cardiopulmonary radar cross-section (RCS). Continuous wave radar with quadrature architecture at 2.4GHz was used to test 2 human subjects breathing deep and shallow for 30 seconds each while seated 2 meters away from the radar. A retro-reflective marker was placed on the sternum of each subject and measured by infrared motion capture cameras to accurately track displacement of the chest. The quadrature radar outputs were processed to find the radius of the arc on the IQ plot using a circle-fitting algorithm. Results showed that the effective RCS ratio of deep to shallow breathing for subjects 1 and 2 was 6.99 and 2.24 respectively.
The main purpose of this study is to investigate the increase in osteoblast cells cultured on three different porosity scaffolds in vivo environment. Hence, collagen+poly-l-lactic acid (PLLA), collagen+HA (30 Cdeg), collagen+HA (37 Cdeg) were studied. During the operation, 20 ml bone marrow was taken for any of patient in sterile conditions. Mesenchymal stem cells were differentiated to osteoblast cells. After the ALP and morphological evaluations were assessed, osteoblast cells were planted on 3 different scaffolds and SEM observations were evaluated. At twenty-fifth day, konfleunt osteoblast cells were observed. Osteoblast cells were watched on collagen+HA (30 Cdeg) scaffold appropriately. According to our knowledge, in various bone defects, cell cultures on suitable scaffolds are contribute to clinical studies.
The aim of this study is to investigate the changes, in the frequency domain, of microvasculature blood flow (BF) occurring in neurally mediated syncope. We studied 20 patients with history of recurrent syncope and 10 control subjects. Peripheral BF was measured (laser Doppler technique) in the palmar region (PBF) and the manubrium sterni (SBF), together with ECG, respiration activity (RA) and blood pressure (BP), at rest (5 minute) and during 70/spl deg/ head- up tilt test. SBF and PBF appear to be characterized by oscillations around 0.16 Hz (0.15-0.19 Hz), that do not have correspondence in the other cardiovascular variability signals. Mean BF was not significantly altered in tilt negative, control and tilt positive groups (11 patients) during tilt. In the tilt-positive group a decrease of mean PBF and SBF and an increase of the oscillation frequency of PBF and SBF was observed in close proximity to the development of symptoms.
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