نتایج جستجو برای: medical signal processing

تعداد نتایج: 1375550  

2009
Cara A Campbell Mark Hinders

Ultrasound is a safe, non-invasive technique that can be used in various medical applications to improve patient quality of life. In this paper we discuss the current status of two ultrasound-based medical projects. The techniques we are developing can in the future be applied to medical monitoring in rural or space settings. Urinary incontinence affects a large percentage of the population. We...

2017
A. Depeursinge H. Müller

Objectives: To summarize current excellent research in the field of medical sensor, signal and imaging informatics. Method: Synopsis of the articles selected for the IMIA (International Medical Informatics Association) Yearbook 2010. Results: Current research in the field of sensor, signal, and imaging informatics is characterized by theoretically sound techniques and evaluations with focus in ...

2015
John Edwards

Sensor technology's impact on healthcare is growing rapidly. New applications are appearing almost daily. Wireless sensors are now used in an ever-growing number ways, such as monitoring glucose levels in diabetics, recording and tracking heart irregularities and diagnosing infectious diseases. Linking sensors to mobile phones has made wearable sensors a reality, allowing individuals to monitor...

2017
R. Westphal

IMIA Yearbook of Medical Informatics 2007 Summary Objectives: To summarize current excellent research in the field of sensor, signal and imaging informatics. Method: Synopsis of the articles selected for the IMIA Yearbook 2007. Results: The selection process for this yearbook section “Sensor, signal and imaging informatics” results in five excellent articles, representing research in four diffe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی 1385

یکی از استفاده هایی که از حرکت در تصویر می توان کرد، به کار بردن آن در سیستمهای حفاظتی و بصری هوشمند است. در این پروژه هدف ما این است که سیستمی طراحی و پیاده سازی کنیم که با ثبت تصاویر پیوسته از یک فرد در حال استراحت یا خواب، و با استفاده از الگوریتمهای تشخیص حرکت، مشخص کنیم که آیا فرد حرکت دارد یا ندارد، و اگر دارد، حرکت عادی است یا تشنجی است. در این پروژه برای تشخیص این امر در یک دنباله تصوی...

Journal: :iranian journal of medical physics 0
ateke goshvarpour computational neuroscience laboratory, department of biomedical engineering, faculty of electrical engineering, sahand university of technology, tabriz, iran ataollah abbasi computational neuroscience laboratory, department of biomedical engineering, faculty of electrical engineering, sahand university of technology, tabriz, iran atefeh goshvarpour computational neuroscience laboratory, department of biomedical engineering, faculty of electrical engineering, sahand university of technology, tabriz, iran

introduction automatic human emotion recognition is one of the most interesting topics in the field of affective computing. however, development of a reliable approach with a reasonable recognition rate is a challenging task. the main objective of the present study was to propose a robust method for discrimination of emotional responses thorough examination of heart rate variability (hrv). in t...

Journal: :رادار 0
رضا منصوری رضا محسنی

one of the most common signals used for achieving high range resolution in radar is stepped-frequency signals. when a target is stationary in these radars, dft (discrete fourier transform) based processing is used to attain high range resolution profile (hrrp). however, in the case of moving target, due to spreading of the echo signal spectrum, dft based processing is not optimal and decreases ...

E. Darvishan, S. B. Beheshti Aval, V. Ahmadian,

Although traditional signal-based structural health monitoring algorithms have been successfully employed for small structures, their application for large and complex bridges has been challenging due to non-stationary signal characteristics with a high level of noise. In this paper, a promising damage detection algorithm is proposed by incorporation of adaptive signal processing and Artificial...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده برق و کامپیوتر 1386

بیهوشی را می توان فرآیندی قلمداد کرد که منجر به از دست رفتن هشیاری، شل شدن عضلات و عدم دریافت تحریک دردناکی می گردد. اطمینان از کافی بودن عمق بیهوشی به هنگام عمل جراحی و در اتاق مراقبت های ویژه امری ضروری و لازم به نظر می رسد. در صورت غفلت از کنترل دقیق عمق بیهوشی، احتمال بروز حالاتی چون هشیاری ناخواسته در حین عمل جراحی و یا عدم بازگشت بیمار به هشیاری وجود دارد. به منظور پیشگیری از حوادث فوق، ب...

Journal: :iranian journal of neurology 0
seyyed abed hosseini center of excellence on soft computing and intelligent information processing and department of electrical engineering, ferdowsi university of mashhad, mashhad, iran mohammad ali khalilzadeh research center of biomedical engineering, islamic azad university, mashhad branch, mashhad, iran mohammad bagher naghibi-sistani center of excellence on soft computing and intelligent information processing and department of electrical engineering, ferdowsi university of mashhad, mashhad, iran seyyed mehran homam department of medical, islamic azad university, mashhad branch, mashhad, iran

background: this paper proposes a new emotional stress assessment system using multi-modal bio-signals. electroencephalogram (eeg) is the reflection of brain activity and is widely used in clinical diagnosis and biomedical research. methods: we design an efficient acquisition protocol to acquire the eeg signals in five channels (fp1, fp2, t3, t4 and pz) and peripheral signals such as blood volu...

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