[{"intvolume":"         4","date_updated":"2023-10-05T20:05:17Z","publication_status":"published","author":[{"first_name":"Christina","last_name":"Bartz","full_name":"Bartz, Christina","id":"21546"}],"title":"Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns","status":"public","year":"2018","volume":4,"user_id":"49063","language":[{"iso":"ger"}],"_id":"47753","page":"52-60","citation":{"mla":"Bartz, Christina. “Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns.” <i>Film-Konzepte </i>, vol. 4, no. 50, 2018, pp. 52–60.","bibtex":"@article{Bartz_2018, title={Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns}, volume={4}, number={50}, journal={Film-Konzepte }, author={Bartz, Christina}, year={2018}, pages={52–60} }","ama":"Bartz C. Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns. <i>Film-Konzepte </i>. 2018;4(50):52-60.","ieee":"C. Bartz, “Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns,” <i>Film-Konzepte </i>, vol. 4, no. 50, pp. 52–60, 2018.","apa":"Bartz, C. (2018). Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns. <i>Film-Konzepte </i>, <i>4</i>(50), 52–60.","chicago":"Bartz, Christina. “Tokyo Ga und die Möglichkeiten eines filmischen Erinnerns.” <i>Film-Konzepte </i> 4, no. 50 (2018): 52–60.","short":"C. Bartz, Film-Konzepte  4 (2018) 52–60."},"issue":"50","publication":"Film-Konzepte ","department":[{"_id":"416"}],"type":"journal_article","date_created":"2023-10-05T20:05:11Z"},{"citation":{"mla":"Bartz, Christina. “Der Computer in der Küche.” <i>Medien- und Kulturforschung H. 9</i>, 2018, pp. 13–25.","ama":"Bartz C. Der Computer in der Küche. <i>Medien- und Kulturforschung H 9</i>. Published online 2018:13-25.","bibtex":"@article{Bartz_2018, title={Der Computer in der Küche}, journal={Medien- und Kulturforschung H. 9}, author={Bartz, Christina}, year={2018}, pages={13–25} }","apa":"Bartz, C. (2018). Der Computer in der Küche. <i>Medien- und Kulturforschung H. 9</i>, 13–25.","ieee":"C. Bartz, “Der Computer in der Küche,” <i>Medien- und Kulturforschung H. 9</i>, pp. 13–25, 2018.","chicago":"Bartz, Christina. “Der Computer in der Küche.” <i>Medien- und Kulturforschung H. 9</i>, 2018, 13–25.","short":"C. Bartz, Medien- und Kulturforschung H. 9 (2018) 13–25."},"publication":"Medien- und Kulturforschung H. 9","extern":"1","date_created":"2023-10-05T20:04:17Z","department":[{"_id":"416"}],"type":"journal_article","author":[{"id":"21546","first_name":"Christina","last_name":"Bartz","full_name":"Bartz, Christina"}],"title":"Der Computer in der Küche","year":"2018","status":"public","date_updated":"2023-10-05T20:04:21Z","publication_status":"published","_id":"47752","language":[{"iso":"ger"}],"page":"13-25","user_id":"49063"},{"citation":{"apa":"Blumenthal, S., Rieger, T., Meertens, D., Pawlis, A., Reuter, D., &#38; As, D. J. (2018). Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy. <i>Physica Status Solidi (b)</i>, <i>255</i>(3), 1600729. <a href=\"https://doi.org/10.1002/pssb.201600729\">https://doi.org/10.1002/pssb.201600729</a>","mla":"Blumenthal, Sarah, et al. “Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy.” <i>Physica Status Solidi (b)</i>, vol. 255, no. 3, 2018, p. 1600729, doi:<a href=\"https://doi.org/10.1002/pssb.201600729\">https://doi.org/10.1002/pssb.201600729</a>.","ieee":"S. Blumenthal, T. Rieger, D. Meertens, A. Pawlis, D. Reuter, and D. J. As, “Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy,” <i>physica status solidi (b)</i>, vol. 255, no. 3, p. 1600729, 2018, doi: <a href=\"https://doi.org/10.1002/pssb.201600729\">https://doi.org/10.1002/pssb.201600729</a>.","chicago":"Blumenthal, Sarah, Torsten Rieger, Doris Meertens, Alexander Pawlis, Dirk Reuter, and Donat Josef As. “Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy.” <i>Physica Status Solidi (b)</i> 255, no. 3 (2018): 1600729. <a href=\"https://doi.org/10.1002/pssb.201600729\">https://doi.org/10.1002/pssb.201600729</a>.","short":"S. Blumenthal, T. Rieger, D. Meertens, A. Pawlis, D. Reuter, D.J. As, Physica Status Solidi (b) 255 (2018) 1600729.","ama":"Blumenthal S, Rieger T, Meertens D, Pawlis A, Reuter D, As DJ. Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy. <i>physica status solidi (b)</i>. 2018;255(3):1600729. doi:<a href=\"https://doi.org/10.1002/pssb.201600729\">https://doi.org/10.1002/pssb.201600729</a>","bibtex":"@article{Blumenthal_Rieger_Meertens_Pawlis_Reuter_As_2018, title={Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy}, volume={255}, DOI={<a href=\"https://doi.org/10.1002/pssb.201600729\">https://doi.org/10.1002/pssb.201600729</a>}, number={3}, journal={physica status solidi (b)}, author={Blumenthal, Sarah and Rieger, Torsten and Meertens, Doris and Pawlis, Alexander and Reuter, Dirk and As, Donat Josef}, year={2018}, pages={1600729} }"},"project":[{"name":"TRR 142","_id":"53","grant_number":"231447078"},{"_id":"54","name":"TRR 142 - Project Area A"},{"grant_number":"231447078","_id":"63","name":"TRR 142 - Subproject A6"}],"_id":"20588","page":"1600729","volume":255,"user_id":"14931","status":"public","date_created":"2020-12-02T09:38:00Z","department":[{"_id":"230"},{"_id":"429"}],"keyword":["cubic crystals","GaN","molecular beam epitaxy","quantum dots"],"type":"journal_article","publication":"physica status solidi (b)","issue":"3","abstract":[{"lang":"eng","text":"We have investigated the stacking of self-assembled cubic GaN quantum dots (QDs) grown in Stranski–Krastanov (SK) growth mode. The number of stacked layers is varied to compare their optical properties. The growth is in situ controlled by reflection high energy electron diffraction to prove the SK QD growth. Atomic force and transmission electron microscopy show the existence of wetting layer and QDs with a diameter of about 10 nm and a height of about 2 nm. The QDs have a truncated pyramidal form and are vertically aligned in growth direction. Photoluminescence measurements show an increase of the intensity with increasing number of stacked QD layers. Furthermore, a systematic blue-shift of 120 meV is observed with increasing number of stacked QD layers. This blueshift derives from a decrease in the QD height, because the QD height has also been the main confining dimension in our QDs."}],"language":[{"iso":"eng"}],"doi":"https://doi.org/10.1002/pssb.201600729","publication_identifier":{"issn":["0370-1972"]},"author":[{"full_name":"Blumenthal, Sarah","last_name":"Blumenthal","first_name":"Sarah"},{"full_name":"Rieger, Torsten","first_name":"Torsten","last_name":"Rieger"},{"first_name":"Doris","last_name":"Meertens","full_name":"Meertens, Doris"},{"last_name":"Pawlis","first_name":"Alexander","full_name":"Pawlis, Alexander"},{"last_name":"Reuter","first_name":"Dirk","full_name":"Reuter, Dirk","id":"37763"},{"id":"14","full_name":"As, Donat Josef","orcid":"0000-0003-1121-3565","last_name":"As","first_name":"Donat Josef"}],"year":"2018","title":"Stacked Self-Assembled Cubic GaN Quantum Dots Grown by Molecular Beam Epitaxy","intvolume":"       255","article_type":"original","date_updated":"2023-10-09T09:19:40Z","publication_status":"published"},{"type":"dissertation","oa":"1","department":[{"_id":"15"}],"place":"Paderborn","date_created":"2023-10-11T07:35:58Z","abstract":[{"lang":"eng","text":"In the context of ferroelectrics spatially resolved Raman spectroscopy is a powerful tool to investigate stoichiometry, defects or the ferroelectric properties, as well as to visualize domain structures or waveguides. Using Raman spectroscopy for investigations requires a throughout understanding of the spectra and underlying mechanisms. For example, in the context of the common nonlinear materials, lithium niobate and potassium titanyl phosphate, no comprehensive understanding of the Raman spectra of the bulk materials is available, while the underlying mechanism of the domain wall contrast in Raman spectroscopy is not well understood. In this work, questions like these have been addressed in terms of systematic experimental investigations in close cooperation with density functional theory. In particular, it was possible to present a complete assignment of all phonons in the lithium niobate system, which serves as the basis for the understanding of the domain wall spectrum. Here, the domain wall spectrum can be explained with regard to microscopic structural effects, such as strains and electric fields, as well as a macroscopic change of selections rules. Both mechanisms are likewise present in the domain wall spectrum, while being present at different length scales. In the context of potassium titanyl phosphate the first throughout Raman investigations of domain structure, waveguides and periodically poled waveguides are presented. In the context of Rb-exchanged waveguides the change in stoichiometry, but also effects of strain are detected. Here, the Raman analysis provides a method to evaluate these effects."}],"citation":{"chicago":"Rüsing, Michael. <i>In Depth Raman Analysis of the Ferroelectrics KTiOPO4 and LiNbO3: Role of Domain Boundaries and Defect</i>. Paderborn: Universitätsbibliothek Paderborn, 2018. <a href=\"https://doi.org/10.17619/UNIPB/1-282\">https://doi.org/10.17619/UNIPB/1-282</a>.","short":"M. Rüsing, In Depth Raman Analysis of the Ferroelectrics KTiOPO4 and LiNbO3: Role of Domain Boundaries and Defect, Universitätsbibliothek Paderborn, Paderborn, 2018.","ieee":"M. Rüsing, <i>In depth Raman analysis of the ferroelectrics KTiOPO4 and LiNbO3: role of domain boundaries and defect</i>. Paderborn: Universitätsbibliothek Paderborn, 2018.","apa":"Rüsing, M. (2018). <i>In depth Raman analysis of the ferroelectrics KTiOPO4 and LiNbO3: role of domain boundaries and defect</i>. Universitätsbibliothek Paderborn. <a href=\"https://doi.org/10.17619/UNIPB/1-282\">https://doi.org/10.17619/UNIPB/1-282</a>","bibtex":"@book{Rüsing_2018, place={Paderborn}, title={In depth Raman analysis of the ferroelectrics KTiOPO4 and LiNbO3: role of domain boundaries and defect}, DOI={<a href=\"https://doi.org/10.17619/UNIPB/1-282\">10.17619/UNIPB/1-282</a>}, publisher={Universitätsbibliothek Paderborn}, author={Rüsing, Michael}, year={2018} }","ama":"Rüsing M. <i>In Depth Raman Analysis of the Ferroelectrics KTiOPO4 and LiNbO3: Role of Domain Boundaries and Defect</i>. Universitätsbibliothek Paderborn; 2018. doi:<a href=\"https://doi.org/10.17619/UNIPB/1-282\">10.17619/UNIPB/1-282</a>","mla":"Rüsing, Michael. <i>In Depth Raman Analysis of the Ferroelectrics KTiOPO4 and LiNbO3: Role of Domain Boundaries and Defect</i>. Universitätsbibliothek Paderborn, 2018, doi:<a href=\"https://doi.org/10.17619/UNIPB/1-282\">10.17619/UNIPB/1-282</a>."},"doi":"10.17619/UNIPB/1-282","user_id":"22501","main_file_link":[{"open_access":"1","url":"https://doi.org/10.17619/UNIPB/1-282"}],"publisher":"Universitätsbibliothek Paderborn","_id":"47944","language":[{"iso":"eng"}],"date_updated":"2023-10-11T15:50:28Z","title":"In depth Raman analysis of the ferroelectrics KTiOPO4 and LiNbO3: role of domain boundaries and defect","year":"2018","status":"public","author":[{"id":"22501","full_name":"Rüsing, Michael","last_name":"Rüsing","orcid":"0000-0003-4682-4577","first_name":"Michael"}]},{"type":"book_chapter","keyword":["Fachkommunikation"],"department":[{"_id":"745"}],"place":"Berlin/Boston","date_created":"2022-05-09T13:18:00Z","publication":"Sprachwandel im Deutschen","citation":{"chicago":"Schuster, Britt-Marie, and Chanst   dez nit. “so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten.” In <i>Sprachwandel im Deutschen</i>, edited by Luise  Czajkowski , Sabrina Ulbrich-Bösch, and Christina  Waldvogel, 241–251. Berlin/Boston: de Gruyter, 2018.","short":"B.-M. Schuster, C. dez nit, in: L. Czajkowski , S. Ulbrich-Bösch, C. Waldvogel (Eds.), Sprachwandel im Deutschen, de Gruyter, Berlin/Boston, 2018, pp. 241–251.","apa":"Schuster, B.-M., &#38; dez nit, C. (2018). so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten. In L. Czajkowski , S. Ulbrich-Bösch, &#38; C. Waldvogel (Eds.), <i>Sprachwandel im Deutschen</i> (pp. 241–251). de Gruyter.","ieee":"B.-M. Schuster and C. dez nit, “so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten,” in <i>Sprachwandel im Deutschen</i>, L. Czajkowski , S. Ulbrich-Bösch, and C. Waldvogel, Eds. Berlin/Boston: de Gruyter, 2018, pp. 241–251.","ama":"Schuster B-M, dez nit C. so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten. In: Czajkowski  L, Ulbrich-Bösch S, Waldvogel C, eds. <i>Sprachwandel im Deutschen</i>. de Gruyter; 2018:241–251.","bibtex":"@inbook{Schuster_dez nit_2018, place={Berlin/Boston}, title={so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten}, booktitle={Sprachwandel im Deutschen}, publisher={de Gruyter}, author={Schuster, Britt-Marie and dez nit, Chanst  }, editor={Czajkowski , Luise  and Ulbrich-Bösch, Sabrina and Waldvogel, Christina }, year={2018}, pages={241–251} }","mla":"Schuster, Britt-Marie, and Chanst dez nit. “so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten.” <i>Sprachwandel im Deutschen</i>, edited by Luise  Czajkowski  et al., de Gruyter, 2018, pp. 241–251."},"user_id":"17386","editor":[{"full_name":"Czajkowski , Luise ","last_name":"Czajkowski ","first_name":"Luise "},{"first_name":"Sabrina","last_name":"Ulbrich-Bösch","full_name":"Ulbrich-Bösch, Sabrina"},{"first_name":"Christina ","last_name":"Waldvogel","full_name":"Waldvogel, Christina "}],"page":"241–251","publisher":"de Gruyter","_id":"31144","language":[{"iso":"ger"}],"date_updated":"2023-10-12T13:25:56Z","title":"so pist ein lap. Beobachtungen zum Gebrauch des (generischen) du in historischen Fachtexten","year":"2018","status":"public","author":[{"id":"17386","last_name":"Schuster","first_name":"Britt-Marie","full_name":"Schuster, Britt-Marie"},{"last_name":"dez nit","first_name":"Chanst  ","full_name":"dez nit, Chanst  "}]},{"publication":"Sprachliche Sozialgeschichte des Nationalsozialismus","citation":{"bibtex":"@inbook{Schuster_2018, place={Bremen }, title={Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt}, booktitle={Sprachliche Sozialgeschichte des Nationalsozialismus}, publisher={Hempen}, author={Schuster, Britt-Marie}, editor={Kämper, Heidrun  and Schuster, Britt-Marie}, year={2018}, pages={27–53} }","ama":"Schuster B-M. Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt. In: Kämper H, Schuster B-M, eds. <i>Sprachliche Sozialgeschichte des Nationalsozialismus</i>. Hempen; 2018:27–53.","short":"B.-M. Schuster, in: H. Kämper, B.-M. Schuster (Eds.), Sprachliche Sozialgeschichte des Nationalsozialismus, Hempen, Bremen , 2018, pp. 27–53.","chicago":"Schuster, Britt-Marie. “Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt.” In <i>Sprachliche Sozialgeschichte des Nationalsozialismus</i>, edited by Heidrun  Kämper and Britt-Marie Schuster, 27–53. Bremen : Hempen, 2018.","ieee":"B.-M. Schuster, “Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt,” in <i>Sprachliche Sozialgeschichte des Nationalsozialismus</i>, H. Kämper and B.-M. Schuster, Eds. Bremen : Hempen, 2018, pp. 27–53.","apa":"Schuster, B.-M. (2018). Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt. In H. Kämper &#38; B.-M. Schuster (Eds.), <i>Sprachliche Sozialgeschichte des Nationalsozialismus</i> (pp. 27–53). Hempen.","mla":"Schuster, Britt-Marie. “Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt.” <i>Sprachliche Sozialgeschichte des Nationalsozialismus</i>, edited by Heidrun  Kämper and Britt-Marie Schuster, Hempen, 2018, pp. 27–53."},"place":"Bremen ","date_created":"2022-05-09T13:19:36Z","keyword":["Kommunikationsgeschichte"],"type":"book_chapter","department":[{"_id":"745"}],"title":"Heterogene Widerstandskulturen zwischen 1933 und 1945 und ihre sprachlichen Praktiken - ein Projekt","status":"public","year":"2018","author":[{"last_name":"Schuster","first_name":"Britt-Marie","full_name":"Schuster, Britt-Marie","id":"17386"}],"date_updated":"2023-10-12T13:26:29Z","page":"27–53","_id":"31145","publisher":"Hempen","language":[{"iso":"ger"}],"user_id":"17386","editor":[{"full_name":"Kämper, Heidrun ","first_name":"Heidrun ","last_name":"Kämper"},{"full_name":"Schuster, Britt-Marie","first_name":"Britt-Marie","last_name":"Schuster"}]},{"year":"2018","title":"'Erlebnisorientiertes Lernen' in der beruflichen Bildung - Wie viel Einzug erhält Erleben und Erfahren im Unterricht?","status":"public","author":[{"full_name":"Volgmann, Simone","last_name":"Volgmann","first_name":"Simone","id":"9856"}],"date_updated":"2023-10-16T11:29:19Z","page":"21-43","_id":"48091","language":[{"iso":"eng"}],"user_id":"9856","editor":[{"first_name":"Petra","last_name":"Frehe-Halliwell","full_name":"Frehe-Halliwell, Petra"},{"last_name":"Kremer","first_name":"H.-Hugo","full_name":"Kremer, H.-Hugo"}],"publication":"Anschlüsse eröffnen, Entwicklungen ermöglichen. Qualifizierungsbausteine inklusiv in einer dualisierten Ausbildungsvorbereitung. Reflexionen und Ergebnisse aus dem Forschungs- und Entwicklungsprojekt QBi","citation":{"apa":"Volgmann, S. (2018). “Erlebnisorientiertes Lernen” in der beruflichen Bildung - Wie viel Einzug erhält Erleben und Erfahren im Unterricht? In P. Frehe-Halliwell &#38; H.-H. Kremer (Eds.), <i>Anschlüsse eröffnen, Entwicklungen ermöglichen. Qualifizierungsbausteine inklusiv in einer dualisierten Ausbildungsvorbereitung. Reflexionen und Ergebnisse aus dem Forschungs- und Entwicklungsprojekt QBi</i> (pp. 21–43).","ieee":"S. Volgmann, “‘Erlebnisorientiertes Lernen’ in der beruflichen Bildung - Wie viel Einzug erhält Erleben und Erfahren im Unterricht?,” in <i>Anschlüsse eröffnen, Entwicklungen ermöglichen. Qualifizierungsbausteine inklusiv in einer dualisierten Ausbildungsvorbereitung. Reflexionen und Ergebnisse aus dem Forschungs- und Entwicklungsprojekt QBi</i>, P. Frehe-Halliwell and H.-H. Kremer, Eds. Detmold, 2018, pp. 21–43.","short":"S. Volgmann, in: P. Frehe-Halliwell, H.-H. Kremer (Eds.), Anschlüsse Eröffnen, Entwicklungen Ermöglichen. Qualifizierungsbausteine Inklusiv in Einer Dualisierten Ausbildungsvorbereitung. Reflexionen Und Ergebnisse Aus Dem Forschungs- Und Entwicklungsprojekt QBi, Detmold, 2018, pp. 21–43.","chicago":"Volgmann, Simone. “‘Erlebnisorientiertes Lernen’ in Der Beruflichen Bildung - Wie Viel Einzug Erhält Erleben Und Erfahren Im Unterricht?” In <i>Anschlüsse Eröffnen, Entwicklungen Ermöglichen. Qualifizierungsbausteine Inklusiv in Einer Dualisierten Ausbildungsvorbereitung. Reflexionen Und Ergebnisse Aus Dem Forschungs- Und Entwicklungsprojekt QBi</i>, edited by Petra Frehe-Halliwell and H.-Hugo Kremer, 21–43. Detmold, 2018.","mla":"Volgmann, Simone. “‘Erlebnisorientiertes Lernen’ in Der Beruflichen Bildung - Wie Viel Einzug Erhält Erleben Und Erfahren Im Unterricht?” <i>Anschlüsse Eröffnen, Entwicklungen Ermöglichen. Qualifizierungsbausteine Inklusiv in Einer Dualisierten Ausbildungsvorbereitung. Reflexionen Und Ergebnisse Aus Dem Forschungs- Und Entwicklungsprojekt QBi</i>, edited by Petra Frehe-Halliwell and H.-Hugo Kremer, 2018, pp. 21–43.","ama":"Volgmann S. “Erlebnisorientiertes Lernen” in der beruflichen Bildung - Wie viel Einzug erhält Erleben und Erfahren im Unterricht? In: Frehe-Halliwell P, Kremer H-H, eds. <i>Anschlüsse Eröffnen, Entwicklungen Ermöglichen. Qualifizierungsbausteine Inklusiv in Einer Dualisierten Ausbildungsvorbereitung. Reflexionen Und Ergebnisse Aus Dem Forschungs- Und Entwicklungsprojekt QBi</i>. ; 2018:21-43.","bibtex":"@inbook{Volgmann_2018, place={Detmold}, title={“Erlebnisorientiertes Lernen” in der beruflichen Bildung - Wie viel Einzug erhält Erleben und Erfahren im Unterricht?}, booktitle={Anschlüsse eröffnen, Entwicklungen ermöglichen. Qualifizierungsbausteine inklusiv in einer dualisierten Ausbildungsvorbereitung. Reflexionen und Ergebnisse aus dem Forschungs- und Entwicklungsprojekt QBi}, author={Volgmann, Simone}, editor={Frehe-Halliwell, Petra and Kremer, H.-Hugo}, year={2018}, pages={21–43} }"},"place":"Detmold","date_created":"2023-10-16T11:29:11Z","type":"book_chapter"},{"user_id":"15504","page":"524–540","_id":"46350","language":[{"iso":"eng"}],"publisher":"Springer","date_updated":"2023-10-16T13:33:18Z","status":"public","year":"2018","title":"Accurate WiFi based indoor positioning with continuous location sampling","author":[{"last_name":"van Engelen","first_name":"J.E.","full_name":"van Engelen, J.E."},{"last_name":"van Lier","first_name":"J.J.","full_name":"van Lier, J.J."},{"full_name":"Takes, F.W.","last_name":"Takes","first_name":"F.W."},{"id":"100740","orcid":"0000-0002-9788-8282","first_name":"Heike","last_name":"Trautmann","full_name":"Trautmann, Heike"}],"type":"conference","department":[{"_id":"34"},{"_id":"819"}],"place":"Dublin, Ireland","date_created":"2023-08-04T07:54:43Z","abstract":[{"text":"The ubiquity of WiFi access points and the sharp increase in WiFi-enabled devices carried by humans have paved the way for WiFi-based indoor positioning and location analysis. Locating people in indoor environments has numerous applications in robotics, crowd control, indoor facility optimization, and automated environment mapping. However, existing WiFi-based positioning systems suffer from two major problems: (1) their accuracy and precision is limited due to inherent noise induced by indoor obstacles, and (2) they only occasionally provide location estimates, namely when a WiFi-equipped device emits a signal. To mitigate these two issues, we propose a novel Gaussian process (GP) model for WiFi signal strength measurements. It allows for simultaneous smoothing (increasing accuracy and precision of estimators) and interpolation (enabling continuous sampling of location estimates). Furthermore, simple and efficient smoothing methods for location estimates are introduced to improve localization performance in real-time settings. Experiments are conducted on two data sets from a large real-world commercial indoor retail environment. Results demonstrate that our approach provides significant improvements in terms of precision and accuracy with respect to unfiltered data. Ultimately, the GP model realizes continuous location sampling with consistently high quality location estimates.","lang":"eng"}],"publication":"Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)","citation":{"ieee":"J. E. van Engelen, J. J. van Lier, F. W. Takes, and H. Trautmann, “Accurate WiFi based indoor positioning with continuous location sampling,” in <i>Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)</i>, 2018, pp. 524–540.","apa":"van Engelen, J. E., van Lier, J. J., Takes, F. W., &#38; Trautmann, H. (2018). Accurate WiFi based indoor positioning with continuous location sampling. <i>Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)</i>, 524–540.","chicago":"Engelen, J.E. van, J.J. van Lier, F.W. Takes, and Heike Trautmann. “Accurate WiFi Based Indoor Positioning with Continuous Location Sampling.” In <i>Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)</i>, 524–540. Dublin, Ireland: Springer, 2018.","short":"J.E. van Engelen, J.J. van Lier, F.W. Takes, H. Trautmann, in: Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD), Springer, Dublin, Ireland, 2018, pp. 524–540.","mla":"van Engelen, J. E., et al. “Accurate WiFi Based Indoor Positioning with Continuous Location Sampling.” <i>Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)</i>, Springer, 2018, pp. 524–540.","bibtex":"@inproceedings{van Engelen_van Lier_Takes_Trautmann_2018, place={Dublin, Ireland}, title={Accurate WiFi based indoor positioning with continuous location sampling}, booktitle={Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)}, publisher={Springer}, author={van Engelen, J.E. and van Lier, J.J. and Takes, F.W. and Trautmann, Heike}, year={2018}, pages={524–540} }","ama":"van Engelen JE, van Lier JJ, Takes FW, Trautmann H. Accurate WiFi based indoor positioning with continuous location sampling. In: <i>Proceedings of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Database (ECML/PKDD)</i>. Springer; 2018:524–540."}},{"_id":"46351","language":[{"iso":"eng"}],"page":"101–111","volume":14,"doi":"10.1016/j.bdr.2018.05.005","user_id":"15504","author":[{"first_name":"Matthias","last_name":"Carnein","full_name":"Carnein, Matthias"},{"id":"100740","full_name":"Trautmann, Heike","orcid":"0000-0002-9788-8282","last_name":"Trautmann","first_name":"Heike"}],"title":"evoStream — Evolutionary Stream Clustering Utilizing Idle Times","year":"2018","status":"public","intvolume":"        14","date_updated":"2023-10-16T13:33:43Z","date_created":"2023-08-04T07:55:33Z","department":[{"_id":"34"},{"_id":"819"}],"type":"journal_article","citation":{"ama":"Carnein M, Trautmann H. evoStream — Evolutionary Stream Clustering Utilizing Idle Times. <i>Big Data Research</i>. 2018;14:101–111. doi:<a href=\"https://doi.org/10.1016/j.bdr.2018.05.005\">10.1016/j.bdr.2018.05.005</a>","bibtex":"@article{Carnein_Trautmann_2018, title={evoStream — Evolutionary Stream Clustering Utilizing Idle Times}, volume={14}, DOI={<a href=\"https://doi.org/10.1016/j.bdr.2018.05.005\">10.1016/j.bdr.2018.05.005</a>}, journal={Big Data Research}, author={Carnein, Matthias and Trautmann, Heike}, year={2018}, pages={101–111} }","mla":"Carnein, Matthias, and Heike Trautmann. “EvoStream — Evolutionary Stream Clustering Utilizing Idle Times.” <i>Big Data Research</i>, vol. 14, 2018, pp. 101–111, doi:<a href=\"https://doi.org/10.1016/j.bdr.2018.05.005\">10.1016/j.bdr.2018.05.005</a>.","chicago":"Carnein, Matthias, and Heike Trautmann. “EvoStream — Evolutionary Stream Clustering Utilizing Idle Times.” <i>Big Data Research</i> 14 (2018): 101–111. <a href=\"https://doi.org/10.1016/j.bdr.2018.05.005\">https://doi.org/10.1016/j.bdr.2018.05.005</a>.","short":"M. Carnein, H. Trautmann, Big Data Research 14 (2018) 101–111.","apa":"Carnein, M., &#38; Trautmann, H. (2018). evoStream — Evolutionary Stream Clustering Utilizing Idle Times. <i>Big Data Research</i>, <i>14</i>, 101–111. <a href=\"https://doi.org/10.1016/j.bdr.2018.05.005\">https://doi.org/10.1016/j.bdr.2018.05.005</a>","ieee":"M. Carnein and H. Trautmann, “evoStream — Evolutionary Stream Clustering Utilizing Idle Times,” <i>Big Data Research</i>, vol. 14, pp. 101–111, 2018, doi: <a href=\"https://doi.org/10.1016/j.bdr.2018.05.005\">10.1016/j.bdr.2018.05.005</a>."},"publication":"Big Data Research","abstract":[{"lang":"eng","text":"Clustering is an important field in data mining that aims to reveal hidden patterns in data sets. It is widely popular in marketing or medical applications and used to identify groups of similar objects. Clustering possibly unbounded and evolving data streams is of particular interest due to the widespread deployment of large and fast data sources such as sensors. The vast majority of stream clustering algorithms employ a two-phase approach where the stream is first summarized in an online phase. Upon request, an offline phase reclusters the aggregations into the final clusters. In this setup, the online component will idle and wait for the next observation in times where the stream is slow. This paper proposes a new stream clustering algorithm called evoStream which performs evolutionary optimization in the idle times of the online phase to incrementally build and refine the final clusters. Since the online phase would idle otherwise, our approach does not reduce the processing speed while effectively removing the computational overhead of the offline phase. In extensive experiments on real data streams we show that the proposed algorithm allows to output clusters of high quality at any time within the stream without the need for additional computational resources."}]},{"date_created":"2023-08-04T07:56:57Z","department":[{"_id":"34"},{"_id":"819"}],"type":"journal_article","citation":{"ieee":"L. Li, Y. Wang, H. Trautmann, N. Jing, and M. Emmerich, “Multiobjective evolutionary algorithms based on target region preferences,” <i>Swarm and Evolutionary Computation</i>, vol. 40, pp. 196–215, 2018, doi: <a href=\"https://doi.org/10.1016/j.swevo.2018.02.006\">10.1016/j.swevo.2018.02.006</a>.","apa":"Li, L., Wang, Y., Trautmann, H., Jing, N., &#38; Emmerich, M. (2018). Multiobjective evolutionary algorithms based on target region preferences. <i>Swarm and Evolutionary Computation</i>, <i>40</i>, 196–215. <a href=\"https://doi.org/10.1016/j.swevo.2018.02.006\">https://doi.org/10.1016/j.swevo.2018.02.006</a>","chicago":"Li, L, Y Wang, Heike Trautmann, N Jing, and M Emmerich. “Multiobjective Evolutionary Algorithms Based on Target Region Preferences.” <i>Swarm and Evolutionary Computation</i> 40 (2018): 196–215. <a href=\"https://doi.org/10.1016/j.swevo.2018.02.006\">https://doi.org/10.1016/j.swevo.2018.02.006</a>.","short":"L. Li, Y. Wang, H. Trautmann, N. Jing, M. Emmerich, Swarm and Evolutionary Computation 40 (2018) 196–215.","mla":"Li, L., et al. “Multiobjective Evolutionary Algorithms Based on Target Region Preferences.” <i>Swarm and Evolutionary Computation</i>, vol. 40, 2018, pp. 196–215, doi:<a href=\"https://doi.org/10.1016/j.swevo.2018.02.006\">10.1016/j.swevo.2018.02.006</a>.","bibtex":"@article{Li_Wang_Trautmann_Jing_Emmerich_2018, title={Multiobjective evolutionary algorithms based on target region preferences}, volume={40}, DOI={<a href=\"https://doi.org/10.1016/j.swevo.2018.02.006\">10.1016/j.swevo.2018.02.006</a>}, journal={Swarm and Evolutionary Computation}, author={Li, L and Wang, Y and Trautmann, Heike and Jing, N and Emmerich, M}, year={2018}, pages={196–215} }","ama":"Li L, Wang Y, Trautmann H, Jing N, Emmerich M. Multiobjective evolutionary algorithms based on target region preferences. <i>Swarm and Evolutionary Computation</i>. 2018;40:196–215. doi:<a href=\"https://doi.org/10.1016/j.swevo.2018.02.006\">10.1016/j.swevo.2018.02.006</a>"},"publication":"Swarm and Evolutionary Computation","abstract":[{"text":"Incorporating decision makers' preferences is of great significance in multiobjective optimization. Target region-based multiobjective evolutionary algorithms (TMOEAs), aiming at a well-distributed subset of Pareto optimal solutions within the user-provided region(s), are extensively investigated in this paper. An empirical comparison is performed among three TMOEA instantiations: T-NSGA-II, T-SMS-EMOA and T-R2-EMOA. Experimental results show that T-SMS-EMOA has the best overall performance regarding the hypervolume indicator within the target region, while T-NSGA-II is the fastest algorithm. We also compare TMOEAs with other state-of-the-art preference-based approaches, i.e., DF-SMS-EMOA, RVEA, AS-EMOA and R-NSGA-II to show the advantages of TMOEAs. A case study in the mission planning of earth observation satellite is carried out to verify the capabilities of TMOEAs in the real-world application. Experimental results indicate that preferences can improve the searching ability of MOEAs, and TMOEAs can successfully find nondominated solutions preferred by the decision maker.","lang":"eng"}],"language":[{"iso":"eng"}],"_id":"46353","page":"196–215","volume":40,"user_id":"15504","doi":"10.1016/j.swevo.2018.02.006","author":[{"last_name":"Li","first_name":"L","full_name":"Li, L"},{"full_name":"Wang, Y","last_name":"Wang","first_name":"Y"},{"id":"100740","first_name":"Heike","last_name":"Trautmann","orcid":"0000-0002-9788-8282","full_name":"Trautmann, Heike"},{"full_name":"Jing, N","last_name":"Jing","first_name":"N"},{"full_name":"Emmerich, M","first_name":"M","last_name":"Emmerich"}],"title":"Multiobjective evolutionary algorithms based on target region preferences","status":"public","year":"2018","intvolume":"        40","date_updated":"2023-10-16T13:34:21Z"},{"author":[{"first_name":"Sebastian","last_name":"Kilsbach","full_name":"Kilsbach, Sebastian","id":"93839"}],"status":"public","title":"Wortschatzerweiterung in autonomen Erwerbskontexten","year":"2018","date_updated":"2023-10-18T09:07:44Z","language":[{"iso":"eng"}],"_id":"48222","publisher":"Gießener Elektronische Beiträge","main_file_link":[{"url":"http://geb.uni-giessen.de/geb/volltexte/2018/13821/","open_access":"1"}],"user_id":"93839","citation":{"apa":"Kilsbach, S. (2018). <i>Wortschatzerweiterung in autonomen Erwerbskontexten</i>. Gießener Elektronische Beiträge.","ieee":"S. Kilsbach, <i>Wortschatzerweiterung in autonomen Erwerbskontexten</i>. Gießen: Gießener Elektronische Beiträge, 2018.","chicago":"Kilsbach, Sebastian. <i>Wortschatzerweiterung in Autonomen Erwerbskontexten</i>. Gießen: Gießener Elektronische Beiträge, 2018.","short":"S. Kilsbach, Wortschatzerweiterung in Autonomen Erwerbskontexten, Gießener Elektronische Beiträge, Gießen, 2018.","mla":"Kilsbach, Sebastian. <i>Wortschatzerweiterung in Autonomen Erwerbskontexten</i>. Gießener Elektronische Beiträge, 2018.","ama":"Kilsbach S. <i>Wortschatzerweiterung in Autonomen Erwerbskontexten</i>. Gießener Elektronische Beiträge; 2018.","bibtex":"@book{Kilsbach_2018, place={Gießen}, title={Wortschatzerweiterung in autonomen Erwerbskontexten}, publisher={Gießener Elektronische Beiträge}, author={Kilsbach, Sebastian}, year={2018} }"},"place":"Gießen","date_created":"2023-10-17T13:17:45Z","oa":"1","type":"dissertation"},{"language":[{"iso":"eng"}],"_id":"11838","main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/Eusipco_2018_Schmalenstroeer_Paper.pdf","open_access":"1"}],"user_id":"460","author":[{"first_name":"Joerg","last_name":"Schmalenstroeer","full_name":"Schmalenstroeer, Joerg","id":"460"},{"id":"242","last_name":"Haeb-Umbach","first_name":"Reinhold","full_name":"Haeb-Umbach, Reinhold"}],"status":"public","title":"Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach","year":"2018","date_updated":"2023-10-26T08:12:33Z","date_created":"2019-07-12T05:29:14Z","department":[{"_id":"54"}],"oa":"1","type":"conference","citation":{"short":"J. Schmalenstroeer, R. Haeb-Umbach, in: 26th European Signal Processing Conference (EUSIPCO 2018), 2018.","chicago":"Schmalenstroeer, Joerg, and Reinhold Haeb-Umbach. “Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach.” In <i>26th European Signal Processing Conference (EUSIPCO 2018)</i>, 2018.","apa":"Schmalenstroeer, J., &#38; Haeb-Umbach, R. (2018). Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach. <i>26th European Signal Processing Conference (EUSIPCO 2018)</i>.","ieee":"J. Schmalenstroeer and R. Haeb-Umbach, “Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach,” 2018.","ama":"Schmalenstroeer J, Haeb-Umbach R. Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach. In: <i>26th European Signal Processing Conference (EUSIPCO 2018)</i>. ; 2018.","bibtex":"@inproceedings{Schmalenstroeer_Haeb-Umbach_2018, title={Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach}, booktitle={26th European Signal Processing Conference (EUSIPCO 2018)}, author={Schmalenstroeer, Joerg and Haeb-Umbach, Reinhold}, year={2018} }","mla":"Schmalenstroeer, Joerg, and Reinhold Haeb-Umbach. “Efficient Sampling Rate Offset Compensation - An Overlap-Save Based Approach.” <i>26th European Signal Processing Conference (EUSIPCO 2018)</i>, 2018."},"publication":"26th European Signal Processing Conference (EUSIPCO 2018)","quality_controlled":"1","abstract":[{"lang":"eng","text":"Distributed sensor data acquisition usually encompasses data sampling by the individual devices, where each of them has its own oscillator driving the local sampling process, resulting in slightly different sampling rates at the individual sensor nodes. Nevertheless, for certain downstream signal processing tasks it is important to compensate even for small sampling rate offsets. Aligning the sampling rates of oscillators which differ only by a few parts-per-million, is, however, challenging and quite different from traditional multirate signal processing tasks. In this paper we propose to transfer a precise but computationally demanding time domain approach, inspired by the Nyquist-Shannon sampling theorem, to an efficient frequency domain implementation. To this end a buffer control is employed which compensates for sampling offsets which are multiples of the sampling period, while a digital filter, realized by the wellknown Overlap-Save method, handles the fractional part of the sampling phase offset. With experiments on artificially misaligned data we investigate the parametrization, the efficiency, and the induced distortions of the proposed resampling method. It is shown that a favorable compromise between residual distortion and computational complexity is achieved, compared to other sampling rate offset compensation techniques."}]},{"citation":{"mla":"Kitza, Markus, et al. “The RWTH/UPB System Combination for the CHiME 2018 Workshop.” <i>Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India</i>, 2018.","ama":"Kitza M, Michel W, Boeddeker C, et al. The RWTH/UPB System Combination for the CHiME 2018 Workshop. In: <i>Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India</i>. ; 2018.","bibtex":"@inproceedings{Kitza_Michel_Boeddeker_Heitkaemper_Menne_Schlüter_Ney_Schmalenstroeer_Drude_Heymann_et al._2018, title={The RWTH/UPB System Combination for the CHiME 2018 Workshop}, booktitle={Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India}, author={Kitza, Markus and Michel, Wilfried and Boeddeker, Christoph and Heitkaemper, Jens and Menne, Tobias and Schlüter, Ralf and Ney, Hermann and Schmalenstroeer, Joerg and Drude, Lukas and Heymann, Jahn and et al.}, year={2018} }","apa":"Kitza, M., Michel, W., Boeddeker, C., Heitkaemper, J., Menne, T., Schlüter, R., Ney, H., Schmalenstroeer, J., Drude, L., Heymann, J., &#38; Haeb-Umbach, R. (2018). The RWTH/UPB System Combination for the CHiME 2018 Workshop. <i>Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India</i>.","ieee":"M. Kitza <i>et al.</i>, “The RWTH/UPB System Combination for the CHiME 2018 Workshop,” 2018.","short":"M. Kitza, W. Michel, C. Boeddeker, J. Heitkaemper, T. Menne, R. Schlüter, H. Ney, J. Schmalenstroeer, L. Drude, J. Heymann, R. Haeb-Umbach, in: Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India, 2018.","chicago":"Kitza, Markus, Wilfried Michel, Christoph Boeddeker, Jens Heitkaemper, Tobias Menne, Ralf Schlüter, Hermann Ney, et al. “The RWTH/UPB System Combination for the CHiME 2018 Workshop.” In <i>Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India</i>, 2018."},"publication":"Proc. CHiME 2018 Workshop on Speech Processing in Everyday Environments, Hyderabad, India","quality_controlled":"1","abstract":[{"text":"This paper describes the systems for the single-array track and the multiple-array track of the 5th CHiME Challenge. The final system is a combination of multiple systems, using Confusion Network Combination (CNC). The different systems presented here are utilizing different front-ends and training sets for a Bidirectional Long Short-Term Memory (BLSTM) Acoustic Model (AM). The front-end was replaced by enhancements provided by Paderborn University [1]. The back-end has been implemented using RASR [2] and RETURNN [3]. Additionally, a system combination including the hypothesis word graphs from the system of the submission [1] has been performed, which results in the final best system.","lang":"eng"}],"date_created":"2019-07-12T05:29:58Z","department":[{"_id":"54"}],"oa":"1","type":"conference","author":[{"full_name":"Kitza, Markus","last_name":"Kitza","first_name":"Markus"},{"last_name":"Michel","first_name":"Wilfried","full_name":"Michel, Wilfried"},{"id":"40767","last_name":"Boeddeker","first_name":"Christoph","full_name":"Boeddeker, Christoph"},{"id":"27643","full_name":"Heitkaemper, Jens","last_name":"Heitkaemper","first_name":"Jens"},{"full_name":"Menne, Tobias","first_name":"Tobias","last_name":"Menne"},{"full_name":"Schlüter, Ralf","last_name":"Schlüter","first_name":"Ralf"},{"first_name":"Hermann","last_name":"Ney","full_name":"Ney, Hermann"},{"last_name":"Schmalenstroeer","first_name":"Joerg","full_name":"Schmalenstroeer, Joerg","id":"460"},{"id":"11213","first_name":"Lukas","last_name":"Drude","full_name":"Drude, Lukas"},{"last_name":"Heymann","first_name":"Jahn","full_name":"Heymann, Jahn","id":"9168"},{"first_name":"Reinhold","last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold","id":"242"}],"year":"2018","status":"public","title":"The RWTH/UPB System Combination for the CHiME 2018 Workshop","date_updated":"2023-10-26T08:12:14Z","language":[{"iso":"eng"}],"_id":"11876","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2018/INTERSPEECH_2018_Heitkaemper_RWTH_Paper.pdf"}],"user_id":"460"},{"date_created":"2019-07-12T05:29:11Z","department":[{"_id":"54"}],"oa":"1","type":"conference","citation":{"apa":"Ebbers, J., Heitkaemper, J., Schmalenstroeer, J., &#38; Haeb-Umbach, R. (2018). Benchmarking Neural Network Architectures for Acoustic Sensor Networks. <i>ITG 2018, Oldenburg, Germany</i>.","ieee":"J. Ebbers, J. Heitkaemper, J. Schmalenstroeer, and R. Haeb-Umbach, “Benchmarking Neural Network Architectures for Acoustic Sensor Networks,” 2018.","chicago":"Ebbers, Janek, Jens Heitkaemper, Joerg Schmalenstroeer, and Reinhold Haeb-Umbach. “Benchmarking Neural Network Architectures for Acoustic Sensor Networks.” In <i>ITG 2018, Oldenburg, Germany</i>, 2018.","short":"J. Ebbers, J. Heitkaemper, J. Schmalenstroeer, R. Haeb-Umbach, in: ITG 2018, Oldenburg, Germany, 2018.","mla":"Ebbers, Janek, et al. “Benchmarking Neural Network Architectures for Acoustic Sensor Networks.” <i>ITG 2018, Oldenburg, Germany</i>, 2018.","ama":"Ebbers J, Heitkaemper J, Schmalenstroeer J, Haeb-Umbach R. Benchmarking Neural Network Architectures for Acoustic Sensor Networks. In: <i>ITG 2018, Oldenburg, Germany</i>. ; 2018.","bibtex":"@inproceedings{Ebbers_Heitkaemper_Schmalenstroeer_Haeb-Umbach_2018, title={Benchmarking Neural Network Architectures for Acoustic Sensor Networks}, booktitle={ITG 2018, Oldenburg, Germany}, author={Ebbers, Janek and Heitkaemper, Jens and Schmalenstroeer, Joerg and Haeb-Umbach, Reinhold}, year={2018} }"},"publication":"ITG 2018, Oldenburg, Germany","related_material":{"link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Ebbers_Poster.pdf","relation":"supplementary_material","description":"Poster"}]},"abstract":[{"text":"Due to their distributed nature wireless acoustic sensor networks offer great potential for improved signal acquisition, processing and classification for applications such as monitoring and surveillance, home automation, or hands-free telecommunication. To reduce the communication demand with a central server and to raise the privacy level it is desirable to perform processing at node level. The limited processing and memory capabilities on a sensor node, however, stand in contrast to the compute and memory intensive deep learning algorithms used in modern speech and audio processing. In this work, we perform benchmarking of commonly used convolutional and recurrent neural network architectures on a Raspberry Pi based acoustic sensor node. We show that it is possible to run medium-sized neural network topologies used for speech enhancement and speech recognition in real time. For acoustic event recognition, where predictions in a lower temporal resolution are sufficient, it is even possible to run current state-of-the-art deep convolutional models with a real-time-factor of 0:11.","lang":"eng"}],"quality_controlled":"1","_id":"11836","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Ebbers_Paper.pdf","open_access":"1"}],"user_id":"460","author":[{"last_name":"Ebbers","first_name":"Janek","full_name":"Ebbers, Janek","id":"34851"},{"full_name":"Heitkaemper, Jens","first_name":"Jens","last_name":"Heitkaemper","id":"27643"},{"full_name":"Schmalenstroeer, Joerg","last_name":"Schmalenstroeer","first_name":"Joerg","id":"460"},{"id":"242","first_name":"Reinhold","last_name":"Haeb-Umbach","full_name":"Haeb-Umbach, Reinhold"}],"title":"Benchmarking Neural Network Architectures for Acoustic Sensor Networks","status":"public","year":"2018","date_updated":"2023-10-26T08:12:40Z"},{"year":"2018","status":"public","title":"Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming","author":[{"id":"460","full_name":"Schmalenstroeer, Joerg","last_name":"Schmalenstroeer","first_name":"Joerg"},{"last_name":"Haeb-Umbach","first_name":"Reinhold","full_name":"Haeb-Umbach, Reinhold","id":"242"}],"date_updated":"2023-10-26T08:12:22Z","main_file_link":[{"open_access":"1","url":"https://groups.uni-paderborn.de/nt/pubs/2018/ITG_2018_Schmalenstroeer_Paper.pdf"}],"_id":"11839","language":[{"iso":"eng"}],"user_id":"460","publication":"ITG 2018, Oldenburg, Germany","citation":{"ieee":"J. Schmalenstroeer and R. Haeb-Umbach, “Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming,” 2018.","apa":"Schmalenstroeer, J., &#38; Haeb-Umbach, R. (2018). Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming. <i>ITG 2018, Oldenburg, Germany</i>.","short":"J. Schmalenstroeer, R. Haeb-Umbach, in: ITG 2018, Oldenburg, Germany, 2018.","chicago":"Schmalenstroeer, Joerg, and Reinhold Haeb-Umbach. “Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming.” In <i>ITG 2018, Oldenburg, Germany</i>, 2018.","mla":"Schmalenstroeer, Joerg, and Reinhold Haeb-Umbach. “Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming.” <i>ITG 2018, Oldenburg, Germany</i>, 2018.","bibtex":"@inproceedings{Schmalenstroeer_Haeb-Umbach_2018, title={Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming}, booktitle={ITG 2018, Oldenburg, Germany}, author={Schmalenstroeer, Joerg and Haeb-Umbach, Reinhold}, year={2018} }","ama":"Schmalenstroeer J, Haeb-Umbach R. Insights into the Interplay of Sampling Rate Offsets and MVDR Beamforming. In: <i>ITG 2018, Oldenburg, Germany</i>. ; 2018."},"abstract":[{"lang":"eng","text":"It has been experimentally verified that sampling rate offsets (SROs) between the input channels of an acoustic beamformer have a detrimental effect on the achievable SNR gains. In this paper we derive an analytic model to study the impact of SRO on the estimation of the spatial noise covariance matrix used in MVDR beamforming. It is shown that a perfect compensation of the SRO is impossible if the noise covariance matrix is estimated by time averaging, even if the SRO is perfectly known. The SRO should therefore be compensated for prior to beamformer coefficient estimation. We present a novel scheme where SRO compensation and beamforming closely interact, saving some computational effort compared to separate SRO adjustment followed by acoustic beamforming."}],"quality_controlled":"1","date_created":"2019-07-12T05:29:15Z","type":"conference","department":[{"_id":"54"}],"oa":"1"},{"extern":"1","citation":{"bibtex":"@book{Mordhorst_2018, series={Spotlight. gute Praxis international}, title={University Teaching Qualification}, volume={8}, publisher={DUZ. Deutsche Universitätszeitung}, author={Mordhorst, Lisa}, year={2018}, pages={64–81}, collection={Spotlight. gute Praxis international} }","ama":"Mordhorst L. <i>University Teaching Qualification</i>. Vol 8. DUZ. Deutsche Universitätszeitung; 2018:64-81.","mla":"Mordhorst, Lisa. <i>University Teaching Qualification</i>. DUZ. Deutsche Universitätszeitung, 2018, pp. 64–81.","short":"L. Mordhorst, University Teaching Qualification, DUZ. Deutsche Universitätszeitung, 2018.","chicago":"Mordhorst, Lisa. <i>University Teaching Qualification</i>. Vol. 8. Spotlight. Gute Praxis International. DUZ. Deutsche Universitätszeitung, 2018.","ieee":"L. Mordhorst, <i>University Teaching Qualification</i>, vol. 8. DUZ. Deutsche Universitätszeitung, 2018, pp. 64–81.","apa":"Mordhorst, L. (2018). <i>University Teaching Qualification</i> (Vol. 8, pp. 64–81). DUZ. Deutsche Universitätszeitung."},"type":"working_paper","date_created":"2023-10-30T13:01:55Z","date_updated":"2023-10-30T13:08:57Z","intvolume":"         8","status":"public","title":"University Teaching Qualification","year":"2018","author":[{"first_name":"Lisa","last_name":"Mordhorst","full_name":"Mordhorst, Lisa","id":"81839"}],"user_id":"81839","volume":8,"page":"64-81","publisher":"DUZ. 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