IEEE Organizations related to Cortical Bone

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No organizations are currently tagged "Cortical Bone"



Conferences related to Cortical Bone

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2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2020 IEEE 17th International Symposium on Biomedical Imaging (ISBI 2020)

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 2020 will be the 17th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2020 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.

  • 2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI)

    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.

  • 2018 IEEE 15th International Symposium on Biomedical Imaging (ISBI 2018)

    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 2018 will be the 15th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2018 meeting will continue this tradition of fostering crossfertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.

  • 2017 IEEE 14th International Symposium on Biomedical Imaging (ISBI 2017)

    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 2017 will be the 14th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2017 meeting will continue this tradition of fostering crossfertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.

  • 2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI 2016)

    The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forumfor the presentation of technological advances in theoretical and applied biomedical imaging. ISBI 2016 willbe the thirteenth meeting in this series. The previous meetings have played a leading role in facilitatinginteraction between researchers in medical and biological imaging. The 2016 meeting will continue thistradition of fostering crossfertilization among different imaging communities and contributing to an integrativeapproach to biomedical imaging across all scales of observation.

  • 2015 IEEE 12th International Symposium on Biomedical Imaging (ISBI 2015)

    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 2015 will be the 12th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2014 meeting will continue this tradition of fostering crossfertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.

  • 2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI 2014)

    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 2014 will be the eleventh meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2014 meeting will continue this tradition of fostering crossfertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.

  • 2013 IEEE 10th International Symposium on Biomedical Imaging (ISBI 2013)

    To serve the biological, biomedical, bioengineering, bioimaging and other technical communities through a quality program of presentations and papers on the foundation, application, development, and use of biomedical imaging.

  • 2012 IEEE 9th International Symposium on Biomedical Imaging (ISBI 2012)

    To serve the biological, biomedical, bioengineering, bioimaging, and other technical communities through a quality program of presentations and papers on the foundation, application, development, and use of biomedical imaging.

  • 2011 IEEE 8th International Symposium on Biomedical Imaging (ISBI 2011)

    To serve the biological, biomedical, bioengineering, bioimaging, and other technical communities through a quality program of presentations and papers on the foundation, application, development, and use of biomedical imaging.

  • 2010 IEEE 7th International Symposium on Biomedical Imaging (ISBI 2010)

    To serve the biological, biomedical, bioengineering, bioimaging, and other technical communities through a quality program of presentations and papers on the foundation, application, development, and use of biomedical imaging.

  • 2009 IEEE 6th International Symposium on Biomedical Imaging (ISBI 2009)

    Algorithmic, mathematical and computational aspects of biomedical imaging, from nano- to macroscale. Topics of interest include image formation and reconstruction, computational and statistical image processing and analysis, dynamic imaging, visualization, image quality assessment, and physical, biological and statistical modeling. Molecular, cellular, anatomical and functional imaging modalities and applications.

  • 2008 IEEE 5th International Symposium on Biomedical Imaging (ISBI 2008)

    Algorithmic, mathematical and computational aspects of biomedical imaging, from nano- to macroscale. Topics of interest include image formation and reconstruction, computational and statistical image processing and analysis, dynamic imaging, visualization, image quality assessment, and physical, biological and statistical modeling. Molecular, cellular, anatomical and functional imaging modalities and applications.

  • 2007 IEEE 4th International Symposium on Biomedical Imaging: Macro to Nano (ISBI 2007)

  • 2006 IEEE 3rd International Symposium on Biomedical Imaging: Macro to Nano (ISBI 2006)

  • 2004 2nd IEEE International Symposium on Biomedical Imaging: Macro to Nano (ISBI 2004)

  • 2002 1st IEEE International Symposium on Biomedical Imaging: Macro to Nano (ISBI 2002)


2020 IEEE International Conference on Image Processing (ICIP)

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 2020, the 27th in the series that has been held annually since 1994, bringstogether leading engineers and scientists in image and video processing from around the world.


2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


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Periodicals related to Cortical Bone

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No periodicals are currently tagged "Cortical Bone"


Most published Xplore authors for Cortical Bone

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Xplore Articles related to Cortical Bone

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Imaging of cortical pores using ultrasound contrast agents: An ex-vivo study

2017 IEEE International Ultrasonics Symposium (IUS), 2017

Cortical bone porosity (Ct. Po) and pore diameter (Po. Dm) are important factors in determining bone toughness and strength [1-2]. However, the current standard diagnosis, dual-energy X-ray absorptiometry (DXA), doesnot have the sensitivity to those factors. Due to the strong specular reflection from the bone surface and high acoustic attenuation of cortical bone tissue, conventional ultrasound is not feasible for ...


Imaging of cortical pores using ultrasound contrast agents: Phantom and ex vivo studies

2017 IEEE International Ultrasonics Symposium (IUS), 2017

We have investigated the feasibility of imaging cortical pores using ultrasound contrast agents (UCA). Cortical bone porosity and pore size are major factors in determining bone strength and toughness. Assessments on cortical pore properties can help to predict and prevent bone fractures. Because cortical pores are highly associated with blood vessels, imaging cortical bone microvascular perfusion can provide information on ...


Estimation of phase velocity and attenuation of visco-elastic plate with adaptive beamforming technique for cortical bone assessment

2017 IEEE International Ultrasonics Symposium (IUS), 2017

The technique of non-invasive cortical bone quality assessment using ultrasound axial transmission has attracted considerable attention. Estimating the phase velocity and the attenuation of the absorbing plate will assist the assessment. Among several techniques proposed for these purposes, many employ either a thresholding process or a peak search process. The thresholding process uses the intensity of the guided wave to ...


Ultrasonic attenuation spectroscopy and dispersion characteristics in cortical bone

2017 IEEE International Ultrasonics Symposium (IUS), 2017

A mathematical model to predict the ultrasonic attenuation coefficient as a function of frequency in cortical bone is proposed, and the effects of micro- architectural changes on model parameters are studied in this work. Spectroscopy was performed in numerical finite differences time domain simulations to study the individual effects of pore diameter on ultrasonic attenuation. The attenuation coefficient was calculated ...


Effect of medullary cavity on the two wave phenomenon in the distal part of long bone

2017 IEEE International Ultrasonics Symposium (IUS), 2017

In the early stage of osteoporosis, the medullary cavity (a hole in the cancellous bone) becomes larger in addition to the decrease of bone volume. The effects of such structural changes seem important to understand the process of osteoporosis. In this study, we experimentally studied effects of medullary cavity on the two wave phenomenon. The slow wave amplitudes decreased with ...


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Educational Resources on Cortical Bone

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IEEE-USA E-Books

  • Imaging of cortical pores using ultrasound contrast agents: An ex-vivo study

    Cortical bone porosity (Ct. Po) and pore diameter (Po. Dm) are important factors in determining bone toughness and strength [1-2]. However, the current standard diagnosis, dual-energy X-ray absorptiometry (DXA), doesnot have the sensitivity to those factors. Due to the strong specular reflection from the bone surface and high acoustic attenuation of cortical bone tissue, conventional ultrasound is not feasible for imaging cortical pores. Therefore, we propose an approach in combination of contrast agent (UCA) enhanced nonlinear ultrasound imaging, e.g. pulse inversion (PI) [3], and dynamic processing, i.e., the temporal perfusion index (TPI) [4].

  • Imaging of cortical pores using ultrasound contrast agents: Phantom and ex vivo studies

    We have investigated the feasibility of imaging cortical pores using ultrasound contrast agents (UCA). Cortical bone porosity and pore size are major factors in determining bone strength and toughness. Assessments on cortical pore properties can help to predict and prevent bone fractures. Because cortical pores are highly associated with blood vessels, imaging cortical bone microvascular perfusion can provide information on vascularized cortical pores. In previous research, the feasibility of imaging the microvascular perfusion through the skull bone in vivo has been demonstrated. In this study, we adopt the same methods, i.e., nonlinear UCA and temporal perfusion index (TPI), to image microvascular perfusion inside the cortical bone. The study has been conducted on a porous phantom and on a human femur shaft sample. Both phantom and ex vivo results have shown that the combination of UCA and TPI have the potential for imaging of vascularized cortical pores.

  • Estimation of phase velocity and attenuation of visco-elastic plate with adaptive beamforming technique for cortical bone assessment

    The technique of non-invasive cortical bone quality assessment using ultrasound axial transmission has attracted considerable attention. Estimating the phase velocity and the attenuation of the absorbing plate will assist the assessment. Among several techniques proposed for these purposes, many employ either a thresholding process or a peak search process. The thresholding process uses the intensity of the guided wave to distinguish the noise from the signal, but may dismiss weak intensity modes. The peak search process extracts the phase velocity and attenuation from the estimated intensity in the frequency and wavenumber domains; however, this process costs a large computational load. To overcome these difficulties, we propose a novel algorithm that uses an adaptive beamforming technique.

  • Ultrasonic attenuation spectroscopy and dispersion characteristics in cortical bone

    A mathematical model to predict the ultrasonic attenuation coefficient as a function of frequency in cortical bone is proposed, and the effects of micro- architectural changes on model parameters are studied in this work. Spectroscopy was performed in numerical finite differences time domain simulations to study the individual effects of pore diameter on ultrasonic attenuation. The attenuation coefficient was calculated by measuring the wave amplitude of the wave propagated in simulated bone slabs. Data obtained from numerical simulations show an acceptable match with the proposed model, and the model parameters varied consistently with increasing pore diameter in the cortical bone slabs. Results of this research indicate the potential of a mathematical model to predict the dispersion of attenuation in cortical bone as a function of frequency, pore size and pore density.

  • Effect of medullary cavity on the two wave phenomenon in the distal part of long bone

    In the early stage of osteoporosis, the medullary cavity (a hole in the cancellous bone) becomes larger in addition to the decrease of bone volume. The effects of such structural changes seem important to understand the process of osteoporosis. In this study, we experimentally studied effects of medullary cavity on the two wave phenomenon. The slow wave amplitudes decreased with the decrease of the medullary cavity area in the measurement area where cancellous bone exist enough.

  • MGB-NET: Orbital Bone Segmentation from Head and Neck CT Images Using Multi-Graylevel-Bone Convolutional Networks

    For the reconstruction of the orbital wall of the cranio-maxillofacial surgery, the segmentation of the orbital bone is necessary to support the eye globe position and restore the volume and shape of the orbit. However, due to the wide range of intensities of the orbital bones, conventional U-Net-based segmentation shows under-segmentation in the low-intensity thin bones of the orbital medial wall and orbital floor. In this paper, we propose a multi-gray- bone-Net (MGB-Net) for orbital bone segmentation that improves segmentation accuracy of high-intensity cortical bone as well as low-intensity thin bone in head-and-neck CT images. To prevent under-segmentation of the thin bones of the orbital medial wall and orbital floor, a single orbital bone mask is convert into two masks for cortical bone and thin bone. Two SGB-Nets separately are trained on these masks and each cortical and thin bone segmentation result is integrated to obtain the whole orbital bone segmentation result. Experiments show that our MGB-Net achieves improved performance for whole orbital bone segmentation as well as segmentation of thin bone of orbital medial wall and orbital floor.

  • Inferring Porosity from Frequency Dependent Attenuation in Cortical Bone Mimicking Porous Media

    Osteoporosis affects porosity in cortical bone. Quantifying levels of osteoporosis by inferring the micro-architectural properties from ultrasonic wave attenuation in cortical bone has yet to be done. In this work we use a phenomenological, power law model to describe the frequency dependent attenuation in non-absorbing porous media mimicking a simplified cortical bone structure. We optimize this model to fit data generated using a finite- difference, time domain (FDTD) numerical simulation. Model parameters are estimated using an ordinary least squares (OLS) formulation of the inverse problem. With these we determine linear, functional relationships between the model parameter estimates and the micro-architectural parameters, pore density and pore diameter. These relationships allow us to infer ranges of porosity from simulated attenuation data. Repeating this process for attenuation data collected from cortical bone samples could allow one to characterize the micro-architectural properties of bone.

  • Design of Cortical Bone Drilling Temperature Measurement Instrument in Virtual reality system

    Cortical bone drilling technique has been widely used in orthopedic surgery. This paper designed a new virtual instrument of monitoring cortical bone drilling temperature based on LabVIEW, which selected K type thermocouple as the temperature sensor, and AD595 as signal amplification components. The data collection technology, sensor technology and computer technology was used in the new virtual instrument. A single variable experiment was carried out to test the cortical bone drilling by the new virtual instrument. The experiment results show that the virtual instrument measured the specified period of time drilling temperature accurately. Through the experimental analysis, the optimal spindle speed and feed speed could be definite. This would provide theoretical guidance for practical clinical medical.

  • Influence of Micro-Structural Parameters on Apparent Absorption Coefficient in Porous Structures Mimicking Cortical Bone

    Ultrasound wave propagation in porous media is associated with energy loss and attenuation. Attenuation is caused by both scattering and absorption, and is influenced by the microstructure as well as the operating frequency. In the present simulation study, we calculate the attenuation coefficient in porous structures mimicking cortical bone both in presence and absence of absorption to isolate the effects of scattering and absorption on the total attenuation. A parameter called apparent absorption αapp.abs is defined as the difference between the total attenuation αtotal and the attenuation exclusively due to scattering αscat. αtotal, αscat and αapp.abs are estimated in porous structures with varying pore diameters (φ ∈ [40, 120] μm) and pore densities (ρ ∈ [5, 25] pore/mm2) at 5MHz and 8MHz. Results show that both scattering and absorption contribute to the total attenuation. They also illustrate that, although absorption only occurs in the solid matrix, the apparent absorption αapp.abs is a function of porosity, presumably due to the presence of multiple scattering. For large values of kφ, an increase in pore size or density does not lead to increase in αscat and only results in an increase of the total attenuation as a result of increase in αapp.abs. On the other hand, in low/intermediate scattering regimes (kφ ≤ 1), an increase in either pore size or pore density results in increase in αscat while αapp.abs remains constant.

  • A Model for the Calculation of the Thrust Force and Torque during Bone Tissue Drilling

    An improved model to calculate the force characteristics (i.e. axial thrust force and torque) of the bone tissue drilling process is presented. The model makes use of theoretical and experimental data and is based upon the cutting work concept. It takes into account the heterogeneity of the bone material and the effects of contact indentation and delayed bone chip evacuation on the axial force and torque during bone drilling. The proposed model has shown to accurately predict the force characteristics in all stages of the drilling process.



Standards related to Cortical Bone

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Jobs related to Cortical Bone

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