{"id":823,"date":"2017-11-06T08:36:35","date_gmt":"2017-11-06T07:36:35","guid":{"rendered":"https:\/\/www.hsu-hh.de\/ant\/?page_id=823"},"modified":"2019-10-22T15:28:09","modified_gmt":"2019-10-22T13:28:09","slug":"dipl-ing-gediminas-simkus","status":"publish","type":"page","link":"https:\/\/www.hsu-hh.de\/ant\/en\/team\/dipl-ing-gediminas-simkus","title":{"rendered":"Dipl.-Ing. Gediminas Simkus"},"content":{"rendered":"<div class=\"ansprechparter-container\">\n<div class=\"row ansprechpartner-item ansprechparter-header\">\n<div class=\"col-md-4 col-lg-3 col-xs-4 ansprechpartner-item floatright img-circle center-block\" style=\"margin-bottom: 30px\">\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"img-circle img-responsive center-block aligncenter wp-image-831 size-thumbnail\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/simkus-150x150.jpg\" alt=\"Gediminas Simkus\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/simkus-150x150.jpg 150w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/simkus-100x100.jpg 100w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/div>\n<div class=\"col-md-12 col-lg-3 col-xs-12 ansprechpartner-item kontakt floatright\" style=\"margin-bottom: 30px\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-sm-6 col-lg-12\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-lg-4 row-text bold\">room:<\/div>\n<div class=\"col-xs-12 col-lg-8 row-text\">114<\/div>\n<\/div>\n<\/div>\n<div class=\"col-xs-12 col-sm-6 col-lg-12\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-lg-4 row-text bold\">phone:<\/div>\n<div class=\"col-xs-12 col-lg-8 row-text\">+49-40-6541-3627<\/div>\n<\/div>\n<\/div>\n<div class=\"col-xs-12 col-sm-6 col-lg-12\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-md-12 row-text bold\">email:<\/div>\n<div class=\"col-xs-12 col-md-12 row-text\"><a href=\"gediminas.simkus@hsu-hh.de\" rel='nofollow'>gediminas.simkus@hsu-hh.de<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"col-md-6 col-lg-3 col-xs-12 ansprechpartner-item anschrift floatright\">\n<div class=\"row-headline\">Visitor address<\/div>\n<div class=\"row-text\">Helmut-Schmidt-Universit\u00e4t<\/div>\n<div class=\"row-text\">Geb\u00e4ude H3<\/div>\n<div class=\"row-text\">Holstenhofweg 85<\/div>\n<div class=\"row-text\">22043 Hamburg<\/div>\n<\/div>\n<div class=\"col-md-6 col-lg-3 col-xs-12 ansprechpartner-item anschrift floatright\">\n<div class=\"row-headline\">Postal address<\/div>\n<div class=\"row-text\">Helmut-Schmidt-Universit\u00e4t<\/div>\n<div class=\"row-text\">Fakult\u00e4t f\u00fcr Elektrotechnik<\/div>\n<div class=\"row-text\">Allgemeine Nachrichtentechnik<\/div>\n<div class=\"row-text\">Postfach 70 08 22<\/div>\n<div class=\"row-text\">22008 Hamburg<\/div>\n<\/div>\n<\/div>\n<div class=\"clearfix\"><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h2><strong>Research projects<\/strong><\/h2>\n<h3>Error robust audio coding<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-836\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/codec.png\" alt=\"Robust audio codec overview\" width=\"451\" height=\"111\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/codec.png 451w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/codec-300x74.png 300w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/p>\n<ul>\n<li>Error robust linear predictive filtering<\/li>\n<li>Delay-free audio coding<\/li>\n<li>Ultra-low delay audio coding<\/li>\n<\/ul>\n<h3>Deep Learning<\/h3>\n<figure id=\"attachment_839\" aria-describedby=\"caption-attachment-839\" style=\"width: 1178px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-839\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/convnet.png\" alt=\"Convnet\" width=\"1178\" height=\"494\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/convnet.png 1178w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/convnet-300x126.png 300w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/convnet-768x322.png 768w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/convnet-1024x429.png 1024w\" sizes=\"auto, (max-width: 1178px) 100vw, 1178px\" \/><figcaption id=\"caption-attachment-839\" class=\"wp-caption-text\">Convolutional neural network layer structure<\/figcaption><\/figure>\n<ul>\n<li>Deep Learning<\/li>\n<li>Neural Networks<\/li>\n<li>Convolutional Neural Networks<\/li>\n<\/ul>\n<h3>Object detection and classification<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-840\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/Ship_Classification.png\" alt=\"Ship classification example\" width=\"736\" height=\"299\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/Ship_Classification.png 736w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/Ship_Classification-300x122.png 300w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\n<ul>\n<li>Automated object detection and classification system on the maritime environment<\/li>\n<li>Regions of interest (ROI) and object detection<\/li>\n<li>Feature extraction and generation<\/li>\n<li>Classification of objects<\/li>\n<li>Machine learning<\/li>\n<\/ul>\n<h3>Passive Accustic Monitoring (PAM)<\/h3>\n<figure id=\"attachment_841\" aria-describedby=\"caption-attachment-841\" style=\"width: 571px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-841\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/sperm_whales.png\" alt=\"Sperm whale number estimation\" width=\"571\" height=\"300\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/sperm_whales.png 571w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/sperm_whales-300x158.png 300w\" sizes=\"auto, (max-width: 571px) 100vw, 571px\" \/><figcaption id=\"caption-attachment-841\" class=\"wp-caption-text\">Sperm whale number estimation<\/figcaption><\/figure>\n<p>Automated PAM system<br \/>\nClick and echo vocalization detection and extraction<br \/>\nEstimating the number of sperm whale by separating clicks from monaural signals<\/p>\n<h2>Publications<\/h2>\n<p>C. A. de Obaldia Pastor, G. Simkus, U. Z\u00f6lzer: <a href=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/11\/2015_daga_obaldia_simkus.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Estimating the number of sperm whale (Physeter sp.) individuals based on grouping of corresponding clicks<\/a>, 41. Deutsche Jahrestagung f\u00fcr Akustik (DAGA 2015), March 2015, Nuremberg, Germany.<\/p>\n<p>G. Simkus, M. Holters, U. Z\u00f6lzer: <a href=\"http:\/\/ieeexplore.ieee.org\/xpls\/abs_all.jsp?arnumber=6854289\" target=\"_blank\" rel=\"noopener noreferrer\">Error resilience enhancement for a robust ADPCM audio coding scheme<\/a>, Proceedings of the 39th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP),\u00a0May 2014, Florence, Italy. [<a href=\"http:\/\/hsu-hh.s3-website.eu-central-1.amazonaws.com\/icassp_audio_examples\/\" target=\"_blank\" rel=\"noopener noreferrer\">Audio Examples<\/a>]<\/p>\n<p>G. Simkus, M. Holters, U. Z\u00f6lzer: <a href=\"http:\/\/dafx13.nuim.ie\/papers\/52.dafx2013_submission_22.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Error robust delay-free lossy audio coding based on ADPCM<\/a>, Proceedings of the 16th Int. Conference on Digital Audio Effects (DAFx-13), September 2013, Maynooth, Ireland. [<a href=\"http:\/\/hsu-hh.s3-website.eu-central-1.amazonaws.com\/audio_examples\/\" target=\"_blank\" rel=\"noopener noreferrer\">Audio Examples<\/a>]<\/p>\n<p>G. Simkus, M. Holters, U. Z\u00f6lzer: <a href=\"http:\/\/ieeexplore.ieee.org\/stamp\/stamp.jsp?tp=&amp;arnumber=6616143\" target=\"_blank\" rel=\"noopener noreferrer\">Ultra-low latency audio coding based on DPCM and block companding<\/a>, Proceedings of the 14th International Workshop on Image and Audio Analysis for Multimedia Interactive Services (WIAMIS) 2013, July 2013, Paris, France.<\/p>\n<p>G. Simkus, M. Holters, U. Z\u00f6lzer: <a href=\"http:\/\/ieeexplore.ieee.org\/stamp\/stamp.jsp?tp=&amp;arnumber=6510042\" target=\"_blank\" rel=\"noopener noreferrer\">Ultra-low delay lossy audio coding using DPCM and block companded quantization<\/a>, Australian Communications Theory Workshop (AusCTW) 2013, January 2013, Adelaide, Australia.<\/p>\n<h2>Other public presentations<\/h2>\n<p>P. Bhattacharya, G. Simkus, C. de Obald\u00eda, A. Kelm, U. Z\u00f6lzer: Convolutional Neural Networks for Digital Signal Processing, LSA2017 &#8211; L\u00fcbeck Summer Academy on Medical Technology, July 2017, L\u00fcbeck, Germany.<\/p>\n<p>Gediminas Simkus, U. Z\u00f6lzer: Automated detection and classification of objects in the maritime environment, ATLAS MEETS SCIENCE &#8211; science conference, October 2016, Bremen, Germany.<\/p>\n<h2>Teaching<\/h2>\n<p>Informationstechnisches Projekt (Part 1, 2013)<\/p>\n<h2>Supervised student thesis<\/h2>\n<p>E. G\u00f6ks\u00fcg\u00fcr, Horizon line detection in maritime Images, Project Work, 2017<\/p>\n<p>R. Aldana, Classification with CNN and exploitation of detection information, Project Work, 2017<\/p>\n<p>F. Peem\u00fcller, Segmentierung von Schiffsbildern mittels Merkmalextraktion und Klassifikation, Master Thesis, 2016<\/p>\n<p>L. Fu, Maritime objects classification using Exemplar-SVMs, Student Project Work, 2016<\/p>\n<p>T. Maring, Audio quality and evaluation tool for comparison of predictive audio coding schemes, Master Thesis, 2013<\/p>\n<p>M. Smirnou, Audio coding using BCDPCM with pre- and post-filtering, Project Work, 2013<\/p>\n<p>S. Mosanu, Audio coding using recursively indexed ADPCM, Project Work, 2013<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 room: 114 phone: +49-40-6541-3627 email: gediminas.simkus@hsu-hh.de Visitor address Helmut-Schmidt-Universit\u00e4t Geb\u00e4ude H3 Holstenhofweg 85 22043 Hamburg Postal address Helmut-Schmidt-Universit\u00e4t Fakult\u00e4t f\u00fcr Elektrotechnik Allgemeine Nachrichtentechnik Postfach 70 08 22 22008 Hamburg [&hellip;]<\/p>\n","protected":false},"author":124,"featured_media":360,"parent":550,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-823","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/users\/124"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/comments?post=823"}],"version-history":[{"count":23,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/823\/revisions"}],"predecessor-version":[{"id":1509,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/823\/revisions\/1509"}],"up":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/550"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/media\/360"}],"wp:attachment":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/media?parent=823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/categories?post=823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/tags?post=823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}