1,391 resources related to Abdomen
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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 provides an overview of the state of the art developments and innovations in Antennas, Propagation, and Measurements, highlighting the latest requirements for future applications.
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.
CBMS 2019 will provide an international forum to discuss the latest developments in the field of computational medicine, biomedical informatics and related fields. During the CBMS symposium, there will be regular and special track (ST) sessions with technical contributions reviewed and selected by an international programme committee, as well as keynote talks and tutorials given by leading experts in their fields. Regular and ST presentations will cover a broad range of issues in related to areas in the context of medical informatics, e-Health, computer vision, healthcare games, software systems in medicine, big data analytics in healthcare, cognitive computing in healthcare, telemedicine systems, medical education, HCI in healthcare, web-based medical information, active and healthy aging systems, technology in clinical and healthcare research, among others.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...
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.
IEEE Computer Graphics and Applications (CG&A) bridges the theory and practice of computer graphics. From specific algorithms to full system implementations, CG&A offers a strong combination of peer-reviewed feature articles and refereed departments, including news and product announcements. Special Applications sidebars relate research stories to commercial development. Cover stories focus on creative applications of the technology by an artist or ...
Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.
2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2001
In the resonance theory, the radial dilatation is emphasized, and the blood pressure wave is transmitted in the form of "moving windkessel". Based on this conjecture, we developed a semi-empirical procedure to describe the pressure distribution in a complex simulated model composed of a main tube and attached organs. Now we try to apply this fitting method to hemodynamics in ...
Computers in Cardiology 1997, 1997
A method is described for obtaining the fetal ECG from surface electrodes using a procedure that combines averaging and adaptive techniques. The algorithm proposed consists of an adaptive filter whose reference signal is an impulse synchronized with the maternal QRS and whose desired signal is a fetal abdominal derivation. The filter behaves as an exponential average whereby its weights define ...
 Computer-Based Medical Systems@m_Proceedings of the Fourth Annual IEEE Symposium, 1991
The results of comparisons among diagnoses of appendicitis versus nonspecific abdominal pain using three neural-network paradigms are reported. The paradigms used were the back propagation, binary adaptive resonance theory, and fuzzy resonance paradigms. It appears, from the limited testing done, that the back-propagation network performs best. Also discussed is the need to standardize input data files to facilitate paradigm comparisons ...
2009 IEEE 10th International Conference on Computer-Aided Industrial Design & Conceptual Design, 2009
The goal of the human engineering design is clear, and the approach to catch the goal is various. The author will take three chair designs as cases: the chair designed by basic human scale standard, kneeling chair, and armchair ¿vertebra¿. The three cases exactly exhibit three models of human-product relationship: adapt, guide and interact. The human engineering design should not ...
Application of the Conversion Research Results for International Cooperation. SIBCONVERS'99. Third International Symposium. Proceedings (Cat. No.99EX246), 1999
In the resonance theory, the radial dilatation is emphasized, and the blood pressure wave is transmitted in the form of "moving windkessel". Based on this conjecture, we developed a semi-empirical procedure to describe the pressure distribution in a complex simulated model composed of a main tube and attached organs. Now we try to apply this fitting method to hemodynamics in vivo, and we tested our equations by two sets of experiments on the rats: ligating a renal artery and bending the aorta transversely. Abdominal aortic blood pressure of rat was measured through tubes inserted from the caudate artery and compared with curve-fitting deduced from semi empirical resonance equations. The good fitting result illustrates that in spite of various complex structures of the arterial system, we can still provide good description for the blood pressure distribution by dividing the arterial system into sub-units and describing with few elastic parameters. It reinforces the conjecture of the resonance theory.
A method is described for obtaining the fetal ECG from surface electrodes using a procedure that combines averaging and adaptive techniques. The algorithm proposed consists of an adaptive filter whose reference signal is an impulse synchronized with the maternal QRS and whose desired signal is a fetal abdominal derivation. The filter behaves as an exponential average whereby its weights define an averaged abdominal maternal pulse that can be subtracted from the original register, thus eliminating the maternal contribution and securing a clean fetal ECG.
The results of comparisons among diagnoses of appendicitis versus nonspecific abdominal pain using three neural-network paradigms are reported. The paradigms used were the back propagation, binary adaptive resonance theory, and fuzzy resonance paradigms. It appears, from the limited testing done, that the back-propagation network performs best. Also discussed is the need to standardize input data files to facilitate paradigm comparisons and minimize software system development time. A structure for network input data files that could contribute to a process of standardization is proposed. The work is part of an effort to develop a medical practice support system to be used in isolated environments such as submarines.<<ETX>>
The goal of the human engineering design is clear, and the approach to catch the goal is various. The author will take three chair designs as cases: the chair designed by basic human scale standard, kneeling chair, and armchair ¿vertebra¿. The three cases exactly exhibit three models of human-product relationship: adapt, guide and interact. The human engineering design should not use only one model invariably and isolated, but choice, organize and colligate various means and forms widely and neatly in order to realize design goal. So we should understand and accord with human's attribute and particularity firstly, and then lead human's life developing to energetic and positive way. We also should harmonize the relationship of human and product, and mobilize their advantages and effects. The product and its user will affect each other, match each other, supply each other and revise each other, and then establish the best relationship of human-product.
In this document, the part I of the development of a continuous low-cost positive bi-pressure system as a respiratory support for patients with respiratory disorders while they sleep, such as sleep obstructive apnea- hypopnea, will be discussed. A description is given of the main requirements of this device, the features it must comply with and the components that comprise it.
Respiratory motion during PET acquisition from the chest/abdomen leads to significant image degradation. Combined PET/MR scanners open up the opportunity to correct motion using MR data acquired simultaneously with PET. As simultaneous human chest/abdomen PET/MR images are currently unobtainable, in this preliminary study we determined motion parameters from respiratory- gated MR and then used these to correct pseudo-PET images generated from the MR. The gated MR images were segmented to typical organ FDG SUV values, smoothed to mimic PET resolution, forward projected into the GE advance geometry and reconstructed separately using OSEM. The MR images were registered using a combined affine and non-rigid B-splines algorithm, with mutual information used as the cost function in a multi-resolution approach. Motion corrected images from both post-reconstruction registration and 4D image reconstruction are shown to be superior to those without motion compensation for most organs.
An analysis of the performance of the normal mode helical antenna for portable radio terminals, close to the human abdomen has been performed. In the VHF- band it is shown that the impedance mismatch loss is the major contributory factor to the total power loss and it must be taken into account when calculating the radiation efficiency of the antennas.
In previous work, we developed two generations of a real-time rectilinear volumetric scanner operating at 5 MHz for abdominal, breast or vascular imaging using a mills cross 2-D array and a rectilinear periodic 2-D array. To improve spatial resolution performance and sensitivity, we developed a new design using 4:1 receive mode multiplexing. With 4:1 multiplexing, the new 65,000 element 2-D array has 4/spl times/256=1024 receivers so that 256 receivers can be used on any image line. The two major benefits of using receive mode multiplexing include: (1) an increase in receive sensitivity due to a greater number of receive elements and (2) a decrease in grating lobe and clutter levels due to increased receive element density. Theoretical simulations and analysis show an increase of about 13 dB in sensitivity compared to our previous work. With these encouraging results, a new 65,000 element 5 MHz 2-D array having 1024 receivers and 169 transmitters was prototyped. In addition, the multiplexer and control circuitry were designed, built, and interfaced with both the transducer and volumetric scanner. Images of tissue-mimicking phantoms and in vivo targets were obtained. Using a spherical cyst phantom, experimental results showed a +12 dB improvement in signal-to-noise ratio and a +6 dB improvement in contrast compared to our previous work.
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