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IEEE Transactions on Biomedical Engineering

Issue 4 • April 1979

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Displaying Results 1 - 15 of 15
  • IEEE Transactions on Biomedical Engineering - Table of contents

    Publication Year: 1979, Page(s): c1
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  • IEEE Engineering in Medicine and Biology Society

    Publication Year: 1979, Page(s): c2
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  • Automated Analysis of Ultra High-Speed Laryngeal Films

    Publication Year: 1979, Page(s):185 - 192
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3388 KB)

    This paper discusses the design and implementation of a digital image processing system which automatically processes ultra high-speed laryngeal films. The 100 ft films are exposed at a rate of nearly 5000 frames/s. The objective of this ultra high-speed cinematography is to obtain a permanent record of vocal cord motion during phonation, e. g., a sustained vowel. These films are then analyzed fra... View full abstract»

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  • The Impedance Plethysmographic Sampling Field in the Human Calf

    Publication Year: 1979, Page(s):193 - 198
    Cited by:  Papers (8)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2095 KB)

    Impedance plethysmography has been widely used clinically because of its convenience and sensitivity, but its use has been questioned by some investigators because of uncertainty concerning the source of the signal. Quantitative definitions of the sensitivity to conductivity changes as a function of position have been lacking. The present study defines the sampling efficiency for impedance measure... View full abstract»

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  • A Multichannel Depth Probe Fabricated Using Electron-Beam Lithography

    Publication Year: 1979, Page(s):199 - 206
    Cited by:  Papers (24)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4117 KB)

    A multielectrode probe structure is described in which several thin-film metal electrodes are defined on the outer surface of a glass micropipette using electron-beam lithography. Electrode geometries are controlled to within one micron, resulting in electrode recording characteristics which are extremely well matched. Recording sites are 5 , um wide rings spaced 100 , um apart in depth. Analysis ... View full abstract»

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  • An Iterative, Parametric Spectral Estimation Technique for High-Resolution Pulse-Echo Ultrasound

    Publication Year: 1979, Page(s):207 - 212
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1167 KB)

    Measurement of the slope of attenuation as a function of frequency to compute ultrasonic attenuation coefficients for thin slices of tissue with ultrasonic pulse-echo techniques is fraught with difficulties. Maximum amplitude measurements of the echo's temporal record are subject to error from interference effects as well as nonsteady-state measurement problems. Power spectrums computed from selec... View full abstract»

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  • Mammogram Inspection by Computer

    Publication Year: 1979, Page(s):213 - 219
    Cited by:  Papers (21)  |  Patents (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4663 KB)

    We have considered the problem of computerized picture processing of mammographic images for the early detection of breast cancer by determination of the very significant microcalcifications. Brightness measures, gray-level statistics, and a compactness measure are applied in a decision tree to characterize the candidate objects. A verification technique was evaluated to differentiate between sign... View full abstract»

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  • Applications of Photoacoustic Spectroscopy to Problems in Dermatology Research

    Publication Year: 1979, Page(s):220 - 227
    Cited by:  Papers (29)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2179 KB)

    The technique of photoacoustic spectroscopy (PAS) was applied in two areas of dermatology research: 1) drug detection and drug diffusion rates in skin, and 2) thermal properties and water content of skin. The drug studies involved detection of the drug tetracycline in the skin and determination of the diffusion rate of the drug through the skin. The water content studies involved determining the t... View full abstract»

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  • Distinguishability of Functionally Distinct Evoked Neuroelectric Signals on the Surface of a Nerve

    Publication Year: 1979, Page(s):228 - 237
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3849 KB)

    This paper describes initial experiments to determine the feasibility of recording functionally distinct neuroelectric signals from the surface of the rabbit's sciatic nerve. A cuff electrode assembly was constructed; it consisted of two planar arrays, each having four wires equally spaced around the circumference of the electrode. The electrode assembly was placed on the sciatic nerve proximal to... View full abstract»

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  • Influence of a Constant Magnetic Field on Nervous Tissues: II. Voltage-Clamp Studies

    Publication Year: 1979, Page(s):238 - 243
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2063 KB)

    In this paper a study of the biomagnetic response of the lobster nerve membrane is reported. Experiments were made on the giant axon of the circumesophageal connective of the lobster in order to investigate the influence of a constant strong magnetic field upon the membrane potentials and the transmembrane currents under voltage-clamp conditions, using the double sucrose gap technique. It was foun... View full abstract»

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  • A Dimensionless Model for the Calculation of Temperature Increase in Biologic Tissues Exposed to Nonionizing Radiation

    Publication Year: 1979, Page(s):244 - 250
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1602 KB)

    The dimensionless solution to the heat conduction equation allows the calculation of temperature increase in tissues exposed to nonionizing radiation. The solutions may be reduced to a small number of tables, eliminating the need to solve the equation for each new exposure condition or different tissue. Optimization of parameters and parameter identification is much easier in dimensionless form th... View full abstract»

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  • An invitation to Membership

    Publication Year: 1979
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  • IEEE Conference Publications of Interest in Stock

    Publication Year: 1979, Page(s): 250-b
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  • IEEE Transactions on Biomedical Engineering Statement of Editorial Policy

    Publication Year: 1979, Page(s): 250-c
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  • Institutional listings

    Publication Year: 1979, Page(s): 250d
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Aims & Scope

IEEE Transactions on Biomedical Engineering contains basic and applied papers dealing with biomedical engineering. Papers range from engineering development in methods and techniques with biomedical applications to experimental and clinical investigations with engineering contributions.

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Meet Our Editors

Editor-in-Chief
Bin He
University of Minnesota