Search Results - "Hahn, H. K."

Quantitative Assessment of Brain Stem and Cerebellar Atrophy in Spinocerebellar Ataxia Types 3 and 6: Impact on Clinical Status by EICHLER, L, BELLENBERG, B, HAHN, H. K, KÖSTER, O, SCHÖLS, L, LUKAS, C

“…Cerebellar and brain stem atrophy are important features in SCA3, whereas SCA6 has been regarded as a "pure" cerebellar disease. However, recent…”
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Diffusion Tensor Imaging-Based Fractional Anisotropy Quantification in the Corticospinal Tract of Patients with Amyotrophic Lateral Sclerosis Using a Probabilistic Mixture Model by Schimrigk, S.K, Bellenberg, B, Schluter, M, Stieltjes, B, Drescher, R, Rexilius, J, Lukas, C, Hahn, H.K, Przuntek, H, Koster, O

“…In amyotrophic lateral sclerosis (ALS), fiber degeneration within the corticospinal tract (CST) can be quantified by diffusion tensor imaging (DTI) as an…”
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Automated spine and vertebrae detection in CT images using object-based image analysis by Schwier, M., Chitiboi, T., Hülnhagen, T., Hahn, H.K.

“…SUMMARYAlthough computer assistance has become common in medical practice, some of the most challenging tasks that remain unsolved are in the area of automatic…”
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Memory performance in multiple sclerosis patients correlates with central brain atrophy by Hildebrandt, H, Hahn, H K, Kraus, J A, Schulte-Herbrüggen, A, Schwarze, B, Schwendemann, G

“…Objective To assess whole brain and central brain atrophy as well as their differential relation to memory, cognitive performance, fatigue, depression and…”
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Observation of electromagnetically induced transparency in collisionally broadened lead vapor by FIELD, J. E, HAHN, K. HK, HARRIS, S. E

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Simulation of vertical dispersion and pollution impact of artificial light at night in urban environment by TONG, Jimmy C.K., WUN, Anthonio H.L., CHAN, Thomas T.H., LAU, Edmond S.L., LAU, Edwin C.F., CHU, Hahn H.K., LAU, Arthur P.S.

“…The use of artificial light at night (ALAN) enables social and commercial activities for urban living. However, the excessive usage of lighting causes nuisance…”
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Temporal Horn Index and Volume of Medial Temporal Lobe Atrophy Using a New Semiautomated Method for Rapid and Precise Assessment by Giesel, F.L, Hahn, H.K, Thomann, P.A, Widjaja, E, Wignall, E, von Tengg-Kobligk, H, Pantel, J, Griffiths, P.D, Peitgen, H.O, Schroder, J, Essig, M

“…Quantitative markers of Alzheimer disease (AD), particularly in the early stages, are needed for clinical assessment and monitoring. We have evaluated a novel…”
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Multicenter Validation of Mean Upper Cervical Cord Area Measurements from Head 3D T1-Weighted MR Imaging in Patients with Multiple Sclerosis by Liu, Y, Lukas, C, Steenwijk, M D, Daams, M, Versteeg, A, Duan, Y, Li, K, Weiler, F, Hahn, H K, Wattjes, M P, Barkhof, F, Vrenken, H

“…Spinal cord atrophy is a common and clinically relevant characteristic in multiple sclerosis. We aimed to perform a multicenter validation study of mean upper…”
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A hybrid approach to the skull stripping problem in MRI by Ségonne, F., Dale, A.M., Busa, E., Glessner, M., Salat, D., Hahn, H.K., Fischl, B.

“…We present a novel skull-stripping algorithm based on a hybrid approach that combines watershed algorithms and deformable surface models. Our method takes…”
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Erratum to: “Combining Rules Using Local Statistics and Uncertainty Estimates for Improved Ensemble Segmentation” by Al-Taie, A., Hahn, H. K., Linsen, L.

“…The following affiliation, denoted “ d ,” should be included for the first author A. Al-Taie: d Computer Science Department, College of Science for Women,…”
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Combining rules using local statistics and uncertainty estimates for improved ensemble segmentation by Al-Taie, A., Hahn, H. K., Linsen, L.

“…Segmentation using an ensemble of classifiers (or committee machine) combines multiple classifiers’ results to increase the performance when compared to single…”
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Impact of model-based risk analysis for liver surgery planning by Hansen, C., Zidowitz, S., Preim, B., Stavrou, G., Oldhafer, K. J., Hahn, H. K.

“…Purpose    A model-based risk analysis for oncologic liver surgery was described in previous work (Preim et al. in Proceedings of international symposium on…”
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A reliable and efficient method for cerebral ventricular volumetry in pediatric neuroimaging by Hahn, H K, Millar, W S, Klinghammer, O, Durkin, M S, Tulipano, P K, Peitgen, H-O

“…Cerebral ventricular volume has the potential to become an important parameter in quantitative neurological diagnosis. However, no accepted methodology for…”
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Value of Posterior and Right Ventricular Leads in Comparison to the Standard 12-Lead Electrocardiogram in Evaluation of ST-Segment Elevation in Suspected Acute Myocardial Infarction by Zalenski, Robert J, Rydman, Robert J, Sloan, Edward P, Hahn, Kenneth H, Cooke, David, Fagan, Joanne, Fligner, Denise J, Hessions, William, Justis, David, Kampe, Linda M, Shah, Shirish, Tucker, John, Zwicke, Diane

“…In this multicenter prospective trial, we studied posterior (V7 to V9) and right ventricular (V4R to V6R) leads to assess their accuracy compared with standard…”
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Detection of tumour infiltration in axonal fibre bundles using diffusion tensor imaging by Schlüter, M, Stieltjes, B, Hahn, H K, Rexilius, J, Konrad-verse, O, Peitgen, H-o

“…We present a method for the detection and quantification of white matter infiltration from human brain tumours based on Diffusion Tensor Imaging (DTI). Since…”
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Spinal cord atrophy in spinocerebellar ataxia type 3 and 6: Impact on clinical disability by Lukas, C., Hahn, H. K., Bellenberg, B., Hellwig, K., Globas, C., Schimrigk, S. K., Köster, O., Schöls, L.

“…Objective To quantify spinal cord atrophy and its impact on clinical disability in spinocerebellar ataxia (SCA) type 3 and 6. Methods Atrophy of the upper…”
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Nonlinear generation of 104.8-nm radiation within an absorption window in zinc by HAHN, K. H, KING, D. A, HARRIS, S. E

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A Fast and Robust Graph-Based Approach for Boundary Estimation of Fiber Bundles Relying on Fractional Anisotropy Maps by Bauer, M H A, Egger, J, O'Donnell, T, Barbieri, S, Klein, J, Freisleben, B, Hahn, H.-K, Nimsky, C

“…In this paper, a fast and robust graph-based approach for boundary estimation of fiber bundles derived from Diffusion Tensor Imaging (DTI) is presented. DTI is…”
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Uncertainty in diffusion tensor based fibre tracking by Hahn, H K, Klein, J, Nimsky, C, Rexilius, J, Peitgen, H O

“…Diffusion tensor imaging and related fibre tracking techniques have the potential to identify major white matter tracts afflicted by an individual pathology or…”
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Analysis of variability in manual liver tumor delineation in CT scans by Moltz, J H, Braunewell, S, Ruhaak, J, Heckel, F, Barbieri, S, Tautz, L, Hahn, H K, Peitgen, H-O

“…Manual delineations by experts are often used as reference standards for validating segmentation algorithms, although it is well known that they always show…”
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