IEEE Engineering in Medicine and Biology Magazine最新文献_第5页

Image-based motion detection: using the concept of weighted directional descriptors. 基于图像的运动检测:使用加权方向描述符的概念。

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-03-01 DOI: 10.1109/MEMB.2009.935727

Eyal Zadicario, Shlomi Rudich, Ghassan Hamarneh, Daniel Cohen-Or

{"title":"Image-based motion detection: using the concept of weighted directional descriptors.","authors":"Eyal Zadicario, Shlomi Rudich, Ghassan Hamarneh, Daniel Cohen-Or","doi":"10.1109/MEMB.2009.935727","DOIUrl":"https://doi.org/10.1109/MEMB.2009.935727","url":null,"abstract":"The use of image guidance in medical applications is constantly growing because of its tremendous impact on the future of health care. Although image-based tissue tracking has been thoroughly explored in the academic literature for years, it has not yet matured to become widely accepted by clinicians. Undetected tissue movements in image-based clinical procedures may cause safety and efficacy difficulties. We introduce an image-based approach for detecting tissue movements during clinical procedures. Our method has been validated in more than 600 true clinical cases. The results show that our algorithm agrees with an expert analysis in 98% of the cases, showing zero events of false alarms and zero events of undetected motion. The results show that the approach provides a clinically ready motion detection algorithm. These robust results are achieved by introducing the concept of weighted directional descriptors (WDDs). The technique analyzes the directivity and confidence level of each anatomical feature and uses it to weight local inputs resulting in a robust motion vector. The robustness is further increased by a novel preprocess that screens out features that may be misleading or are repeated in the adjacent search zone. The technique meets the requirements, as defined by our clinicians, and is now integrated in true medical systems. In particular, our approach has been uniquely developed and integrated into a clinical product. ExAblate is the first Food and Drug Administration (FDA)-approved magnetic resonance (MR)-guided noninvasive surgical device using focused ultrasound therapy. It is used in commercial clinics and in leading medical academic research institutions, attesting to the success of our method and its practical clinical value.","PeriodicalId":50391,"journal":{"name":"IEEE Engineering in Medicine and Biology Magazine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/MEMB.2009.935727","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"29147245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

grand challenges in biomedical engineering [President's Message] 生物医学工程的重大挑战[总统致辞]

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-03-01 DOI: 10.1109/MEMB.2009.935728

B. He

引用次数: 0

Introduction to Molecular Biology, Genomics and Proteomics for Biomedical Engineers (Northrop, R. B. and Connor, A. N.; 2008) [Book Reviews] 生物医学工程师分子生物学、基因组学和蛋白质组学导论(Northrop, r.b.和Connor, a.n.;2008)[书评]

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-02-18 DOI: 10.1109/MEMB.2009.935461

A. Vallés-Lluch

引用次数: 0

Looking Back at EMBC 2009: Student Activities Highlights [Student's Corner] EMBC 2009回顾:学生活动亮点[学生角]

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-02-18 DOI: 10.1109/MEMB.2010.935915

C. Linte

引用次数: 0

Biosignal and Medical Image Processing, Second Edition (Semmlow, J. L.; 2008) [Book Reveiw] 生物信号和医学图像处理，第二版(Semmlow, J. L.;2008)[书评]

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-02-18 DOI: 10.1109/MEMB.2009.935462

S. Deutsch

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引用次数: 9

Consciousness platform: the greatest mystery of all time. 意识平台:有史以来最大的谜团。

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-01-01 DOI: 10.1109/MEMB.2009.935464

Sid Deutsch

引用次数: 0

Thermal monitoring: Raman spectrometer system for remote measurement of cellular temperature on a microscopic scale. 热监测:拉曼光谱仪系统，用于在微观尺度上远程测量细胞温度。

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-01-01 DOI: 10.1109/MEMB.2009.935468

Victor Pikov, Peter H Siegel

{"title":"Thermal monitoring: Raman spectrometer system for remote measurement of cellular temperature on a microscopic scale.","authors":"Victor Pikov, Peter H Siegel","doi":"10.1109/MEMB.2009.935468","DOIUrl":"https://doi.org/10.1109/MEMB.2009.935468","url":null,"abstract":"A simple setup is demonstrated for remote temperature monitoring of water, water-based media, and cells on a microscopic scale. The technique relies on recording changes in the shape of a stretching band of the hydroxyl group in liquid water at 3,100-3,700 cm(-1). Rather than direct measurements in the near-infrared (IR), a simple Raman spectrometer setup is realized. The measured Raman shifts are observed at near optical wavelengths using an inverted microscope with standard objectives in contrast to costly near-IR elements. This allows for simultaneous visible inspection through the same optical path. An inexpensive 671-nm diode pump laser (< 100 mW), standard dichroic and lowpass filters, and a commercial 600-1,000 nm spectrometer complete the instrument. Temperature changes of 1 degrees C are readily distinguished over a range consistent with cellular processes (25-45 degrees C) using integration times below 10 s. Greatly improved sensitivity was obtained by an automated two-peak fitting procedure. When combined with an optical camera, the instrument can be used to monitor changes in cell behavior as a function of temperature without the need for invasive probing. The instrument is very simple to realize, inexpensive compared with traditional Raman spectrometers and IR microscopes, and applicable to a wide range of problems in microthermometry of biological systems. In a first application of its kind, the instrument was used to successfully determine the temperature rise of a cluster of H1299 derived human lung cells adhered to polystyrene and immersed in phosphate-buffered saline (PBS) under exposure of RF millimeter wave radiation (60 GHz, 1.3, 2.6, and 5.2 mW/mm2).","PeriodicalId":50391,"journal":{"name":"IEEE Engineering in Medicine and Biology Magazine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2010-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/MEMB.2009.935468","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"28731688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 16

Catch the wave--nanotechnology, the future is now. 抓住浪潮——纳米技术，未来就在眼前。

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-01-01 DOI: 10.1109/memb.2009.935472

Angela Hodge, Jie Chen, Pau-Choo Chung, Robert Newcomb, Joseph Chang, Ut-Va Koc, Stephen T C Wong

引用次数: 0

Energy expenditure: measurement of human metabolism. 能量消耗:人体新陈代谢的测量。

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-01-01 DOI: 10.1109/MEMB.2009.935463

Robert Brychta, Erica Wohlers, Jon Moon, Kong Chen

引用次数: 26

Wireless capsule endoscopy and endoscopic imaging: a survey on various methodologies presented. 无线胶囊内窥镜和内窥镜成像:各种方法的调查。

IEEE Engineering in Medicine and Biology Magazine Pub Date : 2010-01-01 DOI: 10.1109/MEMB.2009.935466

Alexandros Karargyris, Nikolaos Bourbakis

引用次数: 80