Pub Date : 2011-01-01DOI: 10.1109/IJCNN.2011.6033544
H Bagher-Ebadian, S P Nejad-Davarani, M M Ali, S Brown, M Makki, Q Jiang, D C Noll, J R Ewing
Magnetic Resonance Imaging (MRI) estimation of contrast agent concentration in fast pulse sequences such as Dual Gradient Echo (DGE) imaging is challenging. An Adaptive Neural Network (ANN) was trained with a map of contrast agent concentration estimated by Look-Locker (LL) technique (modified version of inversion recovery imaging) as a gold standard. Using a set of features extracted from DGE MRI data, an ANN was trained to create a voxel based estimator of the time trace of CA concentration. The ANN was trained and tested with the DGE and LL information of six Fisher rats using a K-Fold Cross-Validation (KFCV) method with 60 folds and 10500 samples. The Area Under the Receiver Operator Characteristic Curve (AUROC) for 60 folds was used for training, testing and optimization of the ANN. After training and optimization, the optimal ANN (4:7:5:1) produced maps of CA concentration which were highly correlated (r =0.89, P < 0.0001) with the CA concentration estimated by the LL technique. The estimation made by the ANN had an excellent overall performance (AUROC = 0.870).
{"title":"Magnetic Resonance Imaging Estimation of Longitudinal Relaxation Rate Change (ΔR<sub>1</sub>) in Dual Gradient Echo Sequences Using an Adaptive Model.","authors":"H Bagher-Ebadian, S P Nejad-Davarani, M M Ali, S Brown, M Makki, Q Jiang, D C Noll, J R Ewing","doi":"10.1109/IJCNN.2011.6033544","DOIUrl":"https://doi.org/10.1109/IJCNN.2011.6033544","url":null,"abstract":"<p><p>Magnetic Resonance Imaging (MRI) estimation of contrast agent concentration in fast pulse sequences such as Dual Gradient Echo (DGE) imaging is challenging. An Adaptive Neural Network (ANN) was trained with a map of contrast agent concentration estimated by Look-Locker (LL) technique (modified version of inversion recovery imaging) as a gold standard. Using a set of features extracted from DGE MRI data, an ANN was trained to create a voxel based estimator of the time trace of CA concentration. The ANN was trained and tested with the DGE and LL information of six Fisher rats using a K-Fold Cross-Validation (KFCV) method with 60 folds and 10500 samples. The Area Under the Receiver Operator Characteristic Curve (AUROC) for 60 folds was used for training, testing and optimization of the ANN. After training and optimization, the optimal ANN (4:7:5:1) produced maps of CA concentration which were highly correlated (<i>r =0.89, P < 0.0001</i>) with the CA concentration estimated by the LL technique. The estimation made by the ANN had an excellent overall performance (AUROC = 0.870).</p>","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"2011 ","pages":"2501-2506"},"PeriodicalIF":0.0,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/IJCNN.2011.6033544","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32722311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1997-01-01DOI: 10.1109/ICNN.1997.616130
A. Meyer-Bäse
{"title":"Perturbation analysis of a class of neural networks","authors":"A. Meyer-Bäse","doi":"10.1109/ICNN.1997.616130","DOIUrl":"https://doi.org/10.1109/ICNN.1997.616130","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"40 1","pages":"825-828"},"PeriodicalIF":0.0,"publicationDate":"1997-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73071258","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}
Pub Date : 1997-01-01DOI: 10.1109/ICNN.1997.611637
Z. Xie, H. Xie, Xing-Bao Ning
{"title":"Application of fuzzy neural network to ECG diagnosis","authors":"Z. Xie, H. Xie, Xing-Bao Ning","doi":"10.1109/ICNN.1997.611637","DOIUrl":"https://doi.org/10.1109/ICNN.1997.611637","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"35 1","pages":"62-66"},"PeriodicalIF":0.0,"publicationDate":"1997-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77210754","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}
Pub Date : 1997-01-01DOI: 10.1109/ICNN.1997.614006
A. Ozbayoglu, C. Dagli
{"title":"Unsupervised hierarchical fingerprint matching","authors":"A. Ozbayoglu, C. Dagli","doi":"10.1109/ICNN.1997.614006","DOIUrl":"https://doi.org/10.1109/ICNN.1997.614006","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"40 1","pages":"1439-1442"},"PeriodicalIF":0.0,"publicationDate":"1997-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75619890","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}
Pub Date : 1997-01-01DOI: 10.1109/ICNN.1997.614167
A. Meyer-Bäse
{"title":"Global stability analysis of a nonlinear principal component analysis neural network","authors":"A. Meyer-Bäse","doi":"10.1109/ICNN.1997.614167","DOIUrl":"https://doi.org/10.1109/ICNN.1997.614167","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"10 1","pages":"1785-1787"},"PeriodicalIF":0.0,"publicationDate":"1997-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82556994","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}
Pub Date : 1997-01-01DOI: 10.1109/ICNN.1997.614217
Hsiou-Ping Lin, Y. Ouyang
{"title":"Neural networks based traffic prediction for cell discarding policy","authors":"Hsiou-Ping Lin, Y. Ouyang","doi":"10.1109/ICNN.1997.614217","DOIUrl":"https://doi.org/10.1109/ICNN.1997.614217","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"160 1","pages":"2051-2056"},"PeriodicalIF":0.0,"publicationDate":"1997-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76021233","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}
Pub Date : 1996-01-01DOI: 10.1109/ICNN.1996.548898
S. Bös, Chng Eng Siong
{"title":"Using weight decay to optimize the generalization ability of a perceptron","authors":"S. Bös, Chng Eng Siong","doi":"10.1109/ICNN.1996.548898","DOIUrl":"https://doi.org/10.1109/ICNN.1996.548898","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"37 1","pages":"241-246"},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74748476","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}
Pub Date : 1996-01-01DOI: 10.1109/ICNN.1996.548985
Antonio Glaría-Bengoechea, Jorge Mpodozis-Marín, Ronald Jonas-Zuñiga, A. Leiva
{"title":"RETINET: a neural network for the psychophysics of color vision","authors":"Antonio Glaría-Bengoechea, Jorge Mpodozis-Marín, Ronald Jonas-Zuñiga, A. Leiva","doi":"10.1109/ICNN.1996.548985","DOIUrl":"https://doi.org/10.1109/ICNN.1996.548985","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"23 5","pages":"724-727"},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/ICNN.1996.548985","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72452581","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}
Pub Date : 1996-01-01DOI: 10.1109/ICNN.1996.548999
Antonio Glaría-Bengoechea, Carlos Arancibia-Bórquez
{"title":"Neural network techniques for a physiological rooted analysis of auditory brain stem average evoked responses (ABSR)","authors":"Antonio Glaría-Bengoechea, Carlos Arancibia-Bórquez","doi":"10.1109/ICNN.1996.548999","DOIUrl":"https://doi.org/10.1109/ICNN.1996.548999","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"39 1","pages":"800-803"},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84842400","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}
Pub Date : 1996-01-01DOI: 10.1109/ICNN.1996.549248
Seong-Wook Park, Bo-Hyeok Seo
{"title":"Design of controller for nonlinear multivariable system using dynamic neural unit model","authors":"Seong-Wook Park, Bo-Hyeok Seo","doi":"10.1109/ICNN.1996.549248","DOIUrl":"https://doi.org/10.1109/ICNN.1996.549248","url":null,"abstract":"","PeriodicalId":89613,"journal":{"name":"Proceedings of ... International Joint Conference on Neural Networks. International Joint Conference on Neural Networks","volume":"27 1","pages":"2232-2237"},"PeriodicalIF":0.0,"publicationDate":"1996-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84502423","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}
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