2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings最新文献_第7页

On-site, parallel detection of bio-analytes in water by an integrated capillary flow based opto-microfluidic device 现场，利用集成的毛细管流光学微流控装置平行检测水中生物分析物

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145180

Nuno M. M. Pires, T. Dong

引用次数: 0

A photoacoustics based continuous non-invasive blood glucose monitoring system 一种基于光声的连续无创血糖监测系统

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145181

Praful P. Pai, P. K. Sanki, S. Banerjee

{"title":"A photoacoustics based continuous non-invasive blood glucose monitoring system","authors":"Praful P. Pai, P. K. Sanki, S. Banerjee","doi":"10.1109/MeMeA.2015.7145181","DOIUrl":"https://doi.org/10.1109/MeMeA.2015.7145181","url":null,"abstract":"The paper examines the use of photoacoustic spectroscopy (PAS) for making continuous non-invasive blood glucose measurements. An apparatus for performing photoacoustic (PA) measurements is constructed and the technique is verified in vitro and in vivo through measurements on glucose solutions and live tissue. The signal amplitude is observed to increase with the glucose concentration in both cases. A linear calibration method is applied on each individual to obtain a glucose concentration value from each PA measurement. The glucose values obtained are compared with reference glucose concentrations measured using a standard glucose meter, giving a mean absolute difference (MAD) of 23.75 mg/dl and a mean absolute relative difference (MARD) of 18.03%. A plot of 196 measurement pairs taken over 30 normal subjects on a Clarke Error Grid gives a point distribution of 67.86%, 31.12%, 0.0%, 1.02% and 0.0% over zones A to E of the grid. This performance is an improvement over those obtained previously using PAS and point to the potential of the technique for non-invasive glucose measurements. An FPGA based reconfigurable embedded architecture is proposed for high speed data acquisition, noise reduction and display of PA measurements. The architecture operates at 274.823 MHz on a Xilinx Virtex-II Pro FPGA providing an SNR improvement of 30 dB and enabling a portable blood glucose monitoring system.","PeriodicalId":277757,"journal":{"name":"2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128494289","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: 20

Digital chest tomosynthesis: The main steps to a computer assisted lung diagnostic system 数字胸部断层合成:计算机辅助肺部诊断系统的主要步骤

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145169

D. Hadhazi, R. Varga, Á. Horváth, Benjamin Czétényi, G. Horváth, Á. Horváth

{"title":"Digital chest tomosynthesis: The main steps to a computer assisted lung diagnostic system","authors":"D. Hadhazi, R. Varga, Á. Horváth, Benjamin Czétényi, G. Horváth, Á. Horváth","doi":"10.1109/MeMeA.2015.7145169","DOIUrl":"https://doi.org/10.1109/MeMeA.2015.7145169","url":null,"abstract":"In this paper, we present the main parts of a complete lung diagnostic system using digital tomosynthesis, and the first results obtained analyzing real tomosynthesis (DTS) images. In a DTS system first coronal image slices are reconstructed from projections using iterative and MITS reconstruction algorithms. Nodule detection is based on 2D image processing on the separated slice images, and a joint further analysis of the 2D results. We propose efficient, domain-specific filters for the enhancement and classification of bright, rounded structures. Also we develop a vessel enhancing algorithm based on strain energy filters. Vessel enhancement is required because most of the false positive findings come from nodule-like vessel shadows in the images. To reduce false positive findings SVM-based classifiers are applied, where features obtained from the vessel enhancement module are used as inputs. The system was evaluated on the first DTS scans, obtained from our experimental DTS system. The database contains ~2000 nodule candidates. 97% of nodules could be detected, while producing on average 31 false positives per scan.","PeriodicalId":277757,"journal":{"name":"2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126461871","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: 3

A software-based platform for multichannel electrophysiological data acquisition 基于软件的多通道电生理数据采集平台

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145227

G. Frigo, M. Rubega, G. Lezziero, R. Fontana, C. Cecchetto, S. Vassanelli, G. Sparacino, Matteo Bertocco

{"title":"A software-based platform for multichannel electrophysiological data acquisition","authors":"G. Frigo, M. Rubega, G. Lezziero, R. Fontana, C. Cecchetto, S. Vassanelli, G. Sparacino, Matteo Bertocco","doi":"10.1109/MeMeA.2015.7145227","DOIUrl":"https://doi.org/10.1109/MeMeA.2015.7145227","url":null,"abstract":"Recent improvements in microelectrodes technology have enabled neuroscientists to record electrophysiological signals from hundreds of neurons and simultaneously from a large number of channels. However, several environmental factors may introduce noise and artefacts and affect proper interpretation of recordings. Thus, the development of appropriate signal acquisition and processing platforms dealing with large data sets and in real-time represents a current fundamental challenge. In the present work, we present an easily-expandable Lab VIEW based software for handling data in real-time during a multichannel neurophysiological signal acquisition. The software was designed to exploit modern MultiCore CPUs for large scale data processing and, by freely setting key acquisition parameters, to work with virtually any kind of biological signal. The software allows for data storage in MATLAB format to facilitate off-line signal processing. Examples of local field potential signal acquisitions from the mouse hippocampus are reported to illustrate software features.","PeriodicalId":277757,"journal":{"name":"2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124023067","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

Uncertainty in cell confluency measurements 细胞合流度测量的不确定度

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145279

G. Sassi, S. Pavarelli, C. Divieto, M. Sassi

{"title":"Uncertainty in cell confluency measurements","authors":"G. Sassi, S. Pavarelli, C. Divieto, M. Sassi","doi":"10.1109/MeMeA.2015.7145279","DOIUrl":"https://doi.org/10.1109/MeMeA.2015.7145279","url":null,"abstract":"Pharmaceutical industries have declared their need of metrology in the cellular field, to improve new drugs developing time and costs by high-content screening technologies. Cell viability and proliferation tests largely use confluency of cells on a bi-dimensional (2D) surface as a biological measurand. The confluency is measured from images of 2D surface acquired via microscopy techniques. The plethora of algorithms already in use aims at recognizing objects from images and identifies a threshold to distinguish objects from the background. The reference method is the visual assessment from an operator and any objective uncertainty estimation is not yet available. A method to estimate the image analysis contribution to confluency uncertainty is here proposed. A maximum and a minimum threshold are identified from a visual assessment of the free edge of the cells. An application to a fluorescence microscopy image of 2D of PT-45 cell cultures is reported. Results shows that the method can be a promising solution to associate an uncertainty to cell confluency measurements to enhance reliability and efficiency of high-content screening technologies.","PeriodicalId":277757,"journal":{"name":"2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129130226","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: 1

Preliminary measurements of elasticity properties of lung tumor living cells for cancer detection 用于肺癌检测的肺肿瘤活细胞弹性特性的初步测量

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145206

A. Demichelis, C. Divieto, L. Mortati, M. Sassi, G. Sassi

引用次数: 1

A new risk assessment methodology for dermoscopic skin lesion images 一种新的皮肤镜下皮肤病变图像风险评估方法

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145268

M. Vasconcelos, Luís Rosado, M. Ferreira

{"title":"A new risk assessment methodology for dermoscopic skin lesion images","authors":"M. Vasconcelos, Luís Rosado, M. Ferreira","doi":"10.1109/MeMeA.2015.7145268","DOIUrl":"https://doi.org/10.1109/MeMeA.2015.7145268","url":null,"abstract":"The incidence of melanoma has been increasing steadily over the past few decades throughout most of the world. The development of computer diagnosis systems that use dermoscopic images can be of great help for the diagnosis of melanoma. This paper presents an image processing and analysis methodology using supervised classification to independently assess the Asymmetry, Border, Color and Dermoscopic Structures score according to the ABCD rule, and the corresponding Total Dermatoscopy Score of a skin lesion using dermoscopic images. A dermoscopic image dataset was used to test the proposed approach, annotated by dermatology specialists according to the ABCD rule and being the confirmed malignant melanomas also identified. Accuracy rates of 74.0%, 78.3% and 53.5% were achieved for the estimation of the ABCD score of the Asymmetry, Border and Color criterion, as well as accuracy rates for the presence of the five Differential Structures of 72.4%, 68.5%, 74.0%, 74.0% and 85.8% for dots, globules, streaks homogeneous areas and pigment network. Moreover, sensitivity and specificity rates of 93.3% and 69.1% were achieved for the classification of the dermoscopic images as melanoma or non-melanoma.","PeriodicalId":277757,"journal":{"name":"2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings","volume":"325 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124588615","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: 11

NIRS assessment of brain hemodynamics 近红外光谱评估脑血流动力学

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145283

V. Agostini, D. Paradiso, F. Molinari, D. Rimini, M. Knaflitz, W. Liboni

引用次数: 0

Forward autoregressive modeling for stride process analysis in patients with idiopathic Parkinson's disease 特发性帕金森病患者跨步过程分析的正向自回归模型

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145226

Yunfeng Wu, Xin Luo, Pinnan Chen, Lifang Liao, Shanshan Yang, R. Rangayyan

引用次数: 5

Study on the influence of wireless communication technology on sensitive medical equipments 无线通信技术对敏感医疗设备的影响研究

2015 IEEE International Symposium on Medical Measurements and Applications (MeMeA) Proceedings Pub Date : 2015-05-07 DOI: 10.1109/MeMeA.2015.7145241

C. Luca, D. Andritoi, C. Corciova, R. Ciorap

引用次数: 0