نتایج جستجو برای: motion measurement

تعداد نتایج: 644258  

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1994

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1391

ین پایان نامه با هدف سنتز و شناسایی چهار نوع از نانو ذرات آغاز می شود. نانو ذرات آلوم اکسان از واکنش بوهمیت و کربوکسیلیک اسید مربوطه حاصل شدند. هدف از سنتز این نوع نانو ذرات ساخت غشاهای عامل دار شده با خاصیت آب دوستی و انتخاب پذیری جهت جداسازی روغن از مخلوط های آب و روغن، می باشد. tg-dta، ftir، sem، tem، uv/vis spectrophotometer، digital camera،contact angle measurement goniometer، ultrasonic b...

Journal: :IEEE Trans. Circuits Syst. Video Techn. 2001
Deepak S. Turaga Tsuhan Chen

There are several parts of the video encoding process that can be optimized for high quality, high compression ratio and fast encoding speed. In this paper we focus on some of these encoder optimization issues. We first study motion estimation, a computationally intensive part of encoding, and propose efficient algorithms based on exploiting spatially correlated motion, that perform well in ter...

Journal: :Transactions of the Society of Instrument and Control Engineers 2006

2005
Mainak Biswas Truong Q Nguyen

Motion measurement of video signal has been one of the most researched topic in the field of video processing [1], [2]. The need for true and accurate motion measurement is a necessity for video coding and motion compensated picture processing. Very few algorithms have been proposed that are both efficient in terms of accuracy, complexity and ease of implementation in reference hardware and sof...

Journal: :Journal of magnetic resonance imaging : JMRI 2008
Christine E Draper Juan M Santos Lampros C Kourtis Thor F Besier Michael Fredericson Gary S Beaupre Garry E Gold Scott L Delp

PURPOSE To test the feasibility and accuracy of measuring joint motion with real-time MRI in a 1.5T scanner and in a 0.5T open-bore scanner and to assess the dependence of measurement accuracy on movement speed. MATERIALS AND METHODS We developed an MRI-compatible motion phantom to evaluate the accuracy of tracking bone positions with real-time MRI for varying movement speeds. The measurement...

Journal: :acta medica iranica 0
h. bagheri m. r. hadian a. emrani s. talebian g. r. olyaei

the aim of study was to investigate and compare the concentric torque of quadriceps and hamstring muscles and timed-walking test in two groups. thus, one group of healthy subjects and one group of patients with low grade of tibiofemoral osteoarthritis (oa) were selected. concentric torque of quadriceps and hamstring were measured in both groups. besides, pain measurement, timed-walking test, ra...

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