2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI)最新文献_第7页

Combined ultrasound echography and magnetic resonance imaging guidance for direct and indirect target tracking 超声和磁共振成像联合制导直接和间接目标跟踪

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6868085

B. D. Senneville, Y. Regard, C. Moonen, M. Ries

{"title":"Combined ultrasound echography and magnetic resonance imaging guidance for direct and indirect target tracking","authors":"B. D. Senneville, Y. Regard, C. Moonen, M. Ries","doi":"10.1109/ISBI.2014.6868085","DOIUrl":"https://doi.org/10.1109/ISBI.2014.6868085","url":null,"abstract":"Real-time motion estimation has a growing interest for the guidance of interventional procedures in mobile organs. For this purpose, combined magnetic resonance (MR) imaging and ultrasound (US) echography systems can now provide both MR- and US- images, which can be exploited simultaneously for improved target tracking. For this purpose, two tracking strategies can be investigated: While indirect tracking methods rely on a calibration obtained prior to the intervention, direct tracking methods perform the target localization directly on the continuously acquired position. The current paper describes real-time methodological developments designed for the guidance of non-invasive interventional procedures, using a combined MR/US imaging system: A GPU (Graphics Processing Unit) optimized processing pipeline is proposed for both direct and indirect approaches, in conjunction with simultaneous high-frame-rate MR and echography. Experiments on a moving ex-vivo target were performed with MR-guided HIFU (High Intensity Focused Ultrasound) during continuous ultrasound echography. Real-time US echography-based tracking during MR-guided HIFU heating was achieved with heated area dimensions similar to those obtained for a static target.","PeriodicalId":440405,"journal":{"name":"2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126954274","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

Extended boundary shift integral 扩展边界移积分

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6868005

J. Lötjönen, C. Ledig, J. Koikkalainen, R. Wolz, L. Thurfjell, H. Soininen, S. Ourselin, D. Rueckert

引用次数: 1

Helical dual source cone-beam micro-CT 螺旋双源锥束微型ct

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6867838

S. Johnston, G. Johnson, C. Badea

引用次数: 0

Vessel tracking for ultrasound-based venous pressure measurement 超声静脉压测量的血管跟踪

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6867870

A. Crimi, M. Makhinya, U. Baumann, G. Székely, O. Goksel

引用次数: 5

Reproducibility of brain-cognition relationships using different cortical surface-based analysis protocols 使用不同的皮质表面分析方案的大脑认知关系的可重复性

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6868046

K. Martínez, Anand A. Joshi, S. Madsen, Shantanu H. Joshi, S. Karama, F. J. Román, Julio Villalón, M. Burgaleta, P. Thompson, R. Colom

{"title":"Reproducibility of brain-cognition relationships using different cortical surface-based analysis protocols","authors":"K. Martínez, Anand A. Joshi, S. Madsen, Shantanu H. Joshi, S. Karama, F. J. Román, Julio Villalón, M. Burgaleta, P. Thompson, R. Colom","doi":"10.1109/ISBI.2014.6868046","DOIUrl":"https://doi.org/10.1109/ISBI.2014.6868046","url":null,"abstract":"Neuroimaging techniques are now widely used to understand relationships between brain features and cognitive performance. Nevertheless, studies do not always implicate the same anatomical neural networks in intellectual function. Here we used T1-weighted brain MRI scans obtained from a sample of 82 healthy young adults to study four potential sources of variability affecting the reproducibility of brain-cognition relationships: the neuroimaging protocol used, different measures of cortical gray matter, the nature of the cognitive measurement, and sample characteristics. We found that brain networks implicated in individual differences in cognition were not consistent when derived from different gray matter measures, or from different surface-based processing pipelines, even in equivalent samples of participants. Differences in the networks associated with cognition may reflect differences in the methods used to analyze them; in addition, different individuals may reach equivalent psychological goals through disparate brain networks.","PeriodicalId":440405,"journal":{"name":"2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132857776","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

Fuzzy logic based detection of neuron bifurcations in microscopy images 基于模糊逻辑的显微图像神经元分叉检测

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6868117

M. Radojević, Ihor Smal, W. Niessen, E. Meijering

引用次数: 5

Classification of brain tumour 1H MR spectra: Extracting features by metabolite quantification or nonlinear manifold learning? 脑肿瘤1H磁共振光谱的分类:通过代谢物量化或非线性流形学习提取特征?

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6868051

Guang Yang, F. Raschke, T. Barrick, F. Howe

引用次数: 12

X-ray fan-beam luminescence tomography x射线扇束发光层析成像

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6868082

W. Cong, Ge Wang

{"title":"X-ray fan-beam luminescence tomography","authors":"W. Cong, Ge Wang","doi":"10.1109/ISBI.2014.6868082","DOIUrl":"https://doi.org/10.1109/ISBI.2014.6868082","url":null,"abstract":"Nanophosphors emit near-infrared (NIR) light upon X-ray excitation, and can be functionalized as optical probes for in vivo molecular imaging. X-ray luminescence computed tomography (XLCT) combines the high sensitivity optical imaging with the high spatial resolution X-ray imaging to visualize specific molecular and cellular targets, pathways and therapeutic responses. In this paper, we propose an X-ray fan-beam luminescence tomography to quantify a spatial distribution of nanophosphors in a biological object. A practical imaging system is designed for the X-ray fan-beam luminescence imaging in which the X-ray tube is collimated into a fan-beam X-rays to excite nanophosphors on a cross-section of the object. The excited nanophosphors would emit NIR light to be detected on the external surface of the object. The measured NIR light signal (2D) is used to reconstruct a nanoparticle distribution (2D) on the cross-section. In this imaging mode, the dimensionality of measurable data matches to that of the nanophosphors image to be reconstructed, allowing an accurate and reliable image reconstruction. The numerical experiments are performed to demonstrate the feasibility and merits of the proposed approach.","PeriodicalId":440405,"journal":{"name":"2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI)","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133235134","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: 10

3D shape analysis using overcomplete spherical wavelets: Application to BLEB detection in cell biology 利用过完备球面小波进行三维形状分析:在细胞生物学中BLEB检测中的应用

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6867884

R. Tournemenne, Christel Ducroz, J. Olivo-Marin, A. Dufour

引用次数: 7

Exploring functional brain dynamics via a Bayesian connectivity change point model 通过贝叶斯连接改变点模型探索功能性脑动力学

2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI) Pub Date : 2014-07-31 DOI: 10.1109/ISBI.2014.6867942

Zhichao Lian, Xiang Li, Jianchuan Xing, Jinglei Lv, Xi Jiang, Dajiang Zhu, Shu Zhang, Jiansong Xu, M. Potenza, Tianming Liu, Jing Zhang

引用次数: 17