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Explaining automated gender classification of human gait

Gait & Posture 2020年 81卷 159-160页

作者： Horst, F. Slijepcevic, D. Zeppelzauer, M. Raberger, A.M. Lapuschkin, S. Samek, W. Schöllhorn, W.I. Breiteneder, C. Horsak, B. Johannes Gutenberg-University Mainz Institute of Sport Science Mainz Germany Both authors contributed equally to this work l l Austria St. Pölten University of Applied Sciences Institute of Creative Media Technologies St. Pölten Austria St. Pölten University of Applied Sciences Institute of Health Sciences St. Pölten Austria Fraunhofer Heinrich Hertz Institute Department of Video Coding & Analytics Berlin Germany TU Wien Institute of Visual Computing and Human-Centered Technology Vienna Austria

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Automatic Furniture Arrangement Using Greedy Cost Minimization

Automatic Furniture Arrangement Using Greedy Cost Minimizati...

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IEEE Annual International Symposium Virtual Reality

作者： Peter Kán Hannes Kaufmann Institute of Visual Computing and Human-Centered Technology TU Wien Vienna Austria

ISBN: (纸本)9781538633663

In this paper, we present a novel method for fast generation of furniture arrangements in interior scenes. Our method exploits the benefits of optimization-based approaches for global aesthetic rules and the advantages of procedural approaches for local arrangement of small objects. We generate the furniture arrangements for a given room in two steps: We first optimize the selection and arrangement of furniture objects in a room with respect to aesthetic and functional rules. The infinite trans-dimensional space of furniture layouts is rapidly explored by greedy cost minimization. In the second step, the procedural methods are locally applied in a stochastic fashion to generate important scene details. We demonstrate that our method achieves comparable results to a recent method for automatic interior design in terms of user preferences and that local procedural design enhances the result of optimization-based interior design. Additionally, our method is one order of magnitude faster than the compared method. Finally, the execution times of up to one second show that our method is suitable for generating large-scale indoor virtual environments during runtime.

关键词： Layout Cost function Minimization Three-dimensional displays Space exploration Stochastic processes

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Assistenzroboter mit „Persönlichkeit“ ausstatten?

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Pflegezeitschrift 2018年第7期71卷 44-47页

作者： Peter Mayer Paul Panek Forschungsbereich HCI Institute of Visual Computing and Human-Centered Technology Technische Universität Wien Wien Österreich

Das EU Forschungsprojekt „HOBBIT“ hat Prototypen von assistiven Robotern zur Unterstützung eines sicheren und selbstständigen Lebens entwickelt und bei älteren Personen in der häuslichen Umgebung getestet. Im Projekt „personAAL“ wurde untersucht, ob verschiedene Verhaltensweisen („Persönlichkeiten“) eines solchen Roboterprototyps bei ansonsten gleicher Funktion (Überbringen einer Nachricht) von Testpersonen als unterschiedliche Persönlichkeiten wahrgenommen werden. Der Roboter wurde mit zwei Verhaltensweisen (introvertiert/extrovertiert) ausgestattet und 13 Testpersonen (großteils älteren Personen bzw. Experten aus der Pflege) vorgeführt. Der „extrovertierte“ Roboter wurde weit überwiegend präferiert. Bei den Teilfragen „Anthropomorphismus“ und „Belebtheit“ sowie in der Gesamtbewertung wurden signifikante Wahrnehmungsunterschiede gefunden, nicht jedoch für die Teilfragen „Sympathie“ und „Sicherheit“. Es gab keinerlei signifikante Korrelation zwischen bevorzugtem Verhalten des Roboters und Selbsteinschätzung der Testperson als introvertiert oder extrovertiert. Es kann vermutet werden, dass die Akzeptanz eines Roboters nicht rein von der nüchternen Funktion abhängt, und es daher sinnvoll sein wird, für bessere Akzeptanz verschiedene Verhaltensweisen zur Wahl zu stellen.

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Airr Community Curation and Standardised Representation for Immunoglobulin and T Cell Receptor Germline Sets

SSRN

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SSRN 2022年

作者： Lees, William D. Christley, Scott Peres, Ayelet Kos, Justin T. Corrie, Brian Ralph, Duncan Breden, Felix Cowell, Lindsay G. Yaari, Gur Corcoran, Martin Karlsson Hedestam, Gunilla B. Ohlin, Mats Collins, Andrew M. Watson, Corey T. Busse, Christian E. Institute of Structural and Molecular Biology Birkbeck College London United Kingdom Human-Centered Computing and Information Science Institute for Systems and Computer Engineering Technology and Science Porto Portugal Peter O’Donnell Jr School of Public Health Department of Immunology UT Southwestern Medical Center Texas United States Bioengineering Program Faculty of Engineering Bar-Ilan University Ramat Gan Israel Department of Biochemistry and Molecular Genetics School of Medicine University of Louisville Kentucky United States Department of Biological Sciences Simon Fraser University BurnabyBC Canada Fred Hutchinson Cancer Research Center SeattleWA United States Department of Microbiology Tumor and Cell Biology Karolinska Institute Stockholm Sweden Department of Immunotechnology Lund University Lund Sweden School of Biotechnology and Biomolecular Sciences University of New South Wales SydneyNSW Australia Division of B Cell Immunology German Cancer Research Center Heidelberg Germany

Analysis of an individual’s immunoglobulin or T cell receptor gene repertoire can provide important insights into immune function. High-quality analysis of adaptive immune receptor repertoire sequencing data depends upon accurate and relatively complete germline sets, but current sets are known to be incomplete. Established processes for the review and systematic naming of receptor germline genes and alleles require specific evidence and data types, but the discovery landscape is rapidly changing. To exploit the potential of emerging data, and to provide the field with improved state-of-the-art germline sets, an intermediate approach is needed that will allow the rapid publication of consolidated sets derived from these emerging sources. These sets must use a consistent naming scheme and allow refinement and consolidation into genes as new information emerges. Name changes should be minimised, but, where changes occur, the naming history of a sequence must be traceable. Here we outline the current issues and opportunities for the curation of germline IG/TR genes and present a forward-looking data model for building out more robust germline sets that can dovetail with current established processes and provides transparency based on principles of findability, accessibility, interoperability, and reusability. We describe results obtained by applying the data model and associated principles within the AIRR Community, including supporting software and databases. © 2022, The Authors. All rights reserved.

关键词： Genes

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A Survey on Brain Tumor Diagnosis and Edema Detection Based on Machine Learning

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Journal of Physics: Conference Series 2021年第1期1892卷

作者： K Neamah F Mohamed M M Adnan S A Thajeel Faculty of Engineering School of Computing University Technology of Malaysia Johor Bahru Malaysia UTM-IRDA MaGICX Institute of Human Centered Engineering Universiti Teknologi Malaysia Johar Bahru Malaysia School of Computing Faculty of Engineering University Technology of Malaysia Johor Bahru Malaysia Islamic University Najaf Iraq Computer Science Department College of Education Mustansiriyah University Baghdad Iraq

Early brain tumor diagnosis has a significant role in reducing the risk of disease, as well as led to get better treatment results. Usually, magnetic resonance imaging (MRI) images are evaluated manually through visual inspection, which is difficult, time-consuming and often erroneous;this process is performed by radiologists or clinical experts, and its accuracy depends on their experience. Recently, computer-aided diagnosis (CAD) becomes very essential to overcome these limitations. This paper provides a comprehensive assessment of the existing techniques and methodologies for automated detection of brain tumor coupled with oedema detection methods utilisation, with an emphasis on machine learning models. Moreover, this paper provides an analysis of the integrated procedure that pertains to the retrieval of brain pictures by identifying particular data sets in the procedure to recognise the stipulated attributes.

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Explaining machine learning models for age classification in human gait analysis

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Gait & Posture 2022年 97卷 S252-S253页

作者： Slijepcevic, D. Horst, F. Simak, M. Lapuschkin, S. Raberger, A.M. Samek, W. Breiteneder, C. Schöllhorn, W.I. Zeppelzauer, M. Horsak, B. St. Pölten University of Applied Sciences Institute of Creative Media Technologies St. Pölten Austria Both Authors Contributed Equally to this Work l l Austria Johannes Gutenberg-University Mainz Institute of Sport Science Mainz Germany Fraunhofer Heinrich Hertz Institute Department of Artificial Intelligence Berlin Germany St. Pölten University of Applied Sciences Institute of Health Sciences St. Pölten Austria TU Wien Institute of Visual Computing and Human-Centered Technology Vienna Austria St. Pölten University of Applied Sciences Center for Digital Health & Social Innovation St. Pölten Austria

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In-Silico Ear Model Based on Episcopic Images for Percutaneous Auricular Vagus Nerve Stimulation 1

In-Silico Ear Model Based on Episcopic Images for Percutaneo...

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1st EMF-Med World Conference on Biomedical Applications of Electromagnetic Fields, EMF-Med 2018

作者： Razlighi, Babak Dabiri Kampusch, Stefan Geyer, Stefan H. Hoang Le, Van Thurk, Florian Brenner, Simon Szeles, Jozsef Constantin Weninger, Wolfgang J. Kaniusas, Eugenijus Institute of Electrodynamics Microwave and Circuit Engineering Vienna University of Technology Vienna Austria Division of Anatomy MIC Medical University of Vienna Vienna Austria Institute of Visual Computing Human-Centered Technology Computer Vision Lab Vienna University of Technology Vienna Austria Department for Vascular Surgery University Clinic for Surgery Medical University of Vienna Vienna Austria

ISBN: (纸本)9789532900798

Auricular branch of vagus nerve stimulation is continuously evolving as a minimal-invasive treatment option in patients suffering from chronic pain. For optimization of stimulation mechanisms, we conducted in-silico modelling of the electrode-tissue-nerve interface by a thorough literature review of the anatomical structures combined with nerve and vessel structures from episcopic images of a human ear. Four nerves and two vessels in the ear were implemented in a 3D CAD model for future optimization of stimulation regions and patterns. Mean diameters for nerves were 30 μm, and for vessels 100 μm. Mean distance between nerves and vessels was about 100 μm. © 2018 FESB, University of Split.

关键词： Patient treatment

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Feature-based groupwise registration of historical aerial images to present-day ortho-photo maps

arXiv

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arXiv 2018年

作者： Zambanini, Sebastian Computer Vision Lab Institute of Visual Computing and Human-Centered Technology TU Wien Favoritenstrasse 9/1931 ViennaA-1040 Austria

In this paper, we address the registration of historical WWII images to present-day ortho-photo maps for the purpose of geolocalization. Due to the challenging nature of this problem, we propose to register the images jointly as a group rather than in a step-by-step manner. To this end, we exploit Hough Voting spaces as pairwise registration estimators and show how they can be integrated into a probabilistic groupwise registration framework that can be efficiently optimized. The feature-based nature of our registration framework allows to register images with a-priori unknown translational and rotational relations, and is also able to handle scale changes of up to 30% in our test data due to a final geometrically guided matching step. The superiority of the proposed method over existing pairwise and groupwise registration methods is demonstrated on eight highly challenging sets of historical images with corresponding ortho-photo *** Codes 68U10 (Primary), 65K10 (Secondary) Copyright © 2018, The Authors. All rights reserved.

关键词： Antennas

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Identifying and planning for individualized change: Patient-provider collaboration using lightweight food diaries in healthy eating and irritable bowel syndrome

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Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 2019年第1期3卷 1–27页

作者： Chung, Chia-Fang Wang, Qiaosi Schroeder, Jessica Cole, Allison Zia, Jasmine Fogarty, James Munson, Sean A. Informatics Indiana University Bloomington BloomingtonIN47405 United States School of Interactive Computing Georgia Institute of Technology AtlantaGA30332 United States Paul G. Allen School of Computer Science and Engineering DUB Group University of Washington SeattleWA98195 United States Family Medicine University of Washington SeattleWA98195 United States Division of Gastroenterology University of Washington SeattleWA98195 United States Human Centered Design and Engineering DUB Group University of Washington SeattleWA98195 United States

Identifying and planning strategies that support a healthy lifestyle or manage a chronic disease often require patient-provider collaboration. For example, people with healthy eating goals often share everyday food, exercise, or sleep data with health coaches or nutritionists to find opportunities for change, and patients with irritable bowel syndrome (IBS) often gather food and symptom data as part of working with providers to diagnose and manage symptoms. However, a lack of effective support often prevents health experts from reviewing large amounts of data in time-constrained visits, prevents focusing on individual goals, and prevents generating correct, individualized, and actionable recommendations. To examine how to design photo-based diaries to help people and health experts exchange knowledge and focus on collaboration goals when reviewing the data together, we designed and developed Foodprint, a photo-based food diary. Foodprint includes three components: (1) A mobile app supporting lightweight data collection, (2) a web app with photo-based visualization and quantitative visualizations supporting collaborative reflection, and (3) a pre-visit note communicating an individual's expectations and questions to experts. We deployed Foodprint in two studies: (1) with 17 people with healthy eating goals and 7 health experts, and (2) with 16 IBS patients and 8 health experts. Building upon the lens of boundary negotiating artifacts and findings from two field studies, our research contributes design principles to (1) prepare individuals to collect data relevant to their health goals and for collaboration, (2) help health experts focus on an individual's eating context, experiences, and goals in collaborative review, and (3) support individuals and experts to develop individualized, actionable plans and strategies. © 2019 Association for computing Machinery.

关键词： Data acquisition

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Comparative Study of Masking and Mapping Based on Hierarchical Extreme Learning Machine for Speech Enhancement

Comparative Study of Masking and Mapping Based on Hierarchic...

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IEEE International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS)

作者： Ryandhimas E. Zezario Join W. C. Sigalingging Tassadaq Hussain Jia-Ching Wang Yu Tsao Research Center for Information Technology Innovation Academia Sinica Taipei Taiwan National Central University Taoyuan Taiwan Taiwan International Graduate Program in Social Network and Human-Centered Computing Institute of Information Science Academia Sinica Taipei Taiwan

In this study, we compare the speech enhancement performance based on hierarchical extreme learning machine (HELM) with two distinct strategies: masking and mapping. Experimental results of the perceptual evaluation of speech quality (PESQ) show that for both of limited and sufficient amounts of training data, mapping-based HELM tends to be more effective to improve the performance of speech enhancement.

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