Personal blog, technical articles, and academic insights from Dr. Georg Hackenberg, Full Professor for Industrial Informatics.https://ghackenberg.github.io/en-ushttps://ghackenberg.github.io/posts/2026_08_11_seo_geo_aeo_aio_optimierung/https://ghackenberg.github.io/posts/2026_08_11_seo_geo_aeo_aio_optimierung/Wie man eine Website nicht nur für traditionelle Suchmaschinen (SEO), sondern auch für Generative Engines (GEO), Answer Engines (AEO) und KI-Agenten (AIO) systematisch optimiert.Tue, 11 Aug 2026 00:00:00 GMTseo, geo, aeo, aio, ai, web-development, astrohttps://ghackenberg.github.io/posts/2026_08_10_ki_basierte_ergonomische_arbeitsumgebungen/https://ghackenberg.github.io/posts/2026_08_10_ki_basierte_ergonomische_arbeitsumgebungen/Wie künstliche Intelligenz, multimodale Sensorik und adaptive Möbel Arbeitsumgebungen dynamisch an den Menschen anpassen – im Unternehmensbüro und in häuslichen Wohnräumen.Mon, 10 Aug 2026 00:00:00 GMTai, ergonomics, industrial-informatics, smart-workplace, iot, computer-visionhttps://ghackenberg.github.io/posts/2026_08_09_fh_ooe_campus_almtal_vision/https://ghackenberg.github.io/posts/2026_08_09_fh_ooe_campus_almtal_vision/Ein strategisches Zukunftskonzept für das Almtal: Wie aus der Krise des klassischen Erholungstourismus ein dezentrales Bildungs- und Hochtechnologie-Ökosystem entstehen kann – die FH OÖ School of Natural Sciences & Applications.Sun, 09 Aug 2026 00:00:00 GMTeducation, innovation, regional-development, sustainability, almtalhttps://ghackenberg.github.io/posts/2026_05_31_local_ai_agents_web_llm/https://ghackenberg.github.io/posts/2026_05_31_local_ai_agents_web_llm/A deep dive into bringing decentralized, client-side LLM-driven AI behaviors to our low-poly ecosystem simulator using WebGPU, MLC Web-LLM, and asynchronous web workers.Sun, 31 May 2026 00:00:00 GMTwebgpu, web-llm, ai, simulation, typescript, threejshttps://ghackenberg.github.io/posts/2026_05_27_interactive_graph_visualizations_update/https://ghackenberg.github.io/posts/2026_05_27_interactive_graph_visualizations_update/A deep dive into refactoring our website's interactive visualization network. Learn how we integrated 3D Force graphs, Vis.js canvas rendering, smooth coordinate transitions, and real-time theme syncing with URL state persistence.Wed, 27 May 2026 00:00:00 GMTthreejs, webgl, d3, cytoscape, visjs, javascript, astrohttps://ghackenberg.github.io/posts/2026_05_25_gpu_water_simulation_delta_dynamics/https://ghackenberg.github.io/posts/2026_05_25_gpu_water_simulation_delta_dynamics/How we implemented a high-performance, discrete grid-based shallow water and groundwater simulator on the GPU at 60 FPS using WebGL, Three.js, and FBO ping-pong textures.Mon, 25 May 2026 00:00:00 GMTthreejs, webgl, shaders, simulation, gpgpu, hydrologyhttps://ghackenberg.github.io/posts/2026_05_24_unread_indicators_navbar_badges/https://ghackenberg.github.io/posts/2026_05_24_unread_indicators_navbar_badges/How we implemented a client-side localStorage notification system for unread content, using cached Astro static content manifests and synchronous scripting to eliminate visual flickering.Sun, 24 May 2026 00:00:00 GMTweb-development, astro, typescript, localstorage, ux-design, state-managementhttps://ghackenberg.github.io/posts/2026_05_23_website_relaunch_astro_typescript/https://ghackenberg.github.io/posts/2026_05_23_website_relaunch_astro_typescript/Discover how I relaunched my personal website on GitHub Pages using Astro, TypeScript, and Google Antigravity to automate legacy PHP content migration.Sat, 23 May 2026 00:00:00 GMTweb-development, astro, typescript, gemini, ai-migration, github-pageshttps://ghackenberg.github.io/posts/2017_03_05_zumida_video/https://ghackenberg.github.io/posts/2017_03_05_zumida_video/Now, that zumida has emerged into a mature platform, it is time to present the first public video. See zumida in action, from registration to content creation a...Sat, 04 Mar 2017 00:00:00 GMTdata-visualization, hyperkit-software, zumida, user-interface, knowledge-managementhttps://ghackenberg.github.io/posts/2016_12_29_zumida_dashboard/https://ghackenberg.github.io/posts/2016_12_29_zumida_dashboard/Recently I have been working on the zumida dashboard. The dasboard provides an overview of the information managed with zumida. From there you can dive into the...Wed, 28 Dec 2016 00:00:00 GMTdata-visualization, hyperkit-software, zumida, user-interface, knowledge-managementhttps://ghackenberg.github.io/posts/2016_09_28_zumida_user_interface/https://ghackenberg.github.io/posts/2016_09_28_zumida_user_interface/Some time ago I started working on a new version of zumida, a software for knowledge management, communication, and presentation. Today, I want to share two scr...Tue, 27 Sep 2016 00:00:00 GMTdata-visualization, hyperkit-software, zumida, user-interface, knowledge-managementhttps://ghackenberg.github.io/posts/2016_09_19_experiment_data_analysis/https://ghackenberg.github.io/posts/2016_09_19_experiment_data_analysis/Some time ago a friend of mine, Prof. Gerard Wilhelm, asked me to develop a tool for analyzing data from his welding experiments. In this post I want to share s...Sun, 18 Sep 2016 00:00:00 GMTdata-visualization, hyperkit-softwarehttps://ghackenberg.github.io/posts/2016_03_07_hyperkit_graph_library/https://ghackenberg.github.io/posts/2016_03_07_hyperkit_graph_library/At Hyperkit Software we also develop JavaScript graph visualization algorithms. However, we focus on touch-based interaction and physics-based animation to make...Sun, 06 Mar 2016 00:00:00 GMTdata-visualization, hyperkit-software, zumidahttps://ghackenberg.github.io/posts/2015_12_21_javascript_graph_libraries_cytoscape_sigma_d3/https://ghackenberg.github.io/posts/2015_12_21_javascript_graph_libraries_cytoscape_sigma_d3/Recently, I added tags to my blog posts and scientific publications. The tags allow me to connect my articles based on keywords and topics. I use the tags to im...Sun, 20 Dec 2015 00:00:00 GMTblog, data-visualization, zumida, hyperkit-softwarehttps://ghackenberg.github.io/posts/2015_12_12_complete_macon_project_fast_motion/https://ghackenberg.github.io/posts/2015_12_12_complete_macon_project_fast_motion/The MaCon approach covers a wide range of engineering tasks for manufacturing systems, from requirements analysis, to system design, to component and system tes...Wed, 16 Dec 2015 00:00:00 GMTmanufacturing-engineering, user-interface, youtube-videohttps://ghackenberg.github.io/posts/2015_12_02_macon_youtube_video/https://ghackenberg.github.io/posts/2015_12_02_macon_youtube_video/In the last days, I prepared a YouTube video demonstrating MaCon: A tool for consistent cross-discipline conception of manufacturing systems. The video explains...Tue, 01 Dec 2015 00:00:00 GMTmanufacturing-engineering, user-interface, youtube-videohttps://ghackenberg.github.io/posts/2015_11_19_case_study_complete/https://ghackenberg.github.io/posts/2015_11_19_case_study_complete/It took me the whole year to develop a software, which implements the cross-discipline manufacturing systems modeling and consistency checking technique I propo...Wed, 18 Nov 2015 00:00:00 GMTmanufacturing-engineeringhttps://ghackenberg.github.io/posts/2015_10_02_integrated_transportation_and_power_system_modeling/https://ghackenberg.github.io/posts/2015_10_02_integrated_transportation_and_power_system_modeling/Here is another interesting piece of work I was doing over the past three years with Dominik Ascher: Integrated transportation and power systems modeling to hel...Thu, 01 Oct 2015 00:00:00 GMTdynamic-programming, traffic-controlhttps://ghackenberg.github.io/posts/2015_09_23_mechatronics_engineering_workbench_screenshots/https://ghackenberg.github.io/posts/2015_09_23_mechatronics_engineering_workbench_screenshots/After three years of work I am happy to show you the first screenshots of the mechatronics engineering workbench. The workbench represents the core of my disser...Tue, 22 Sep 2015 00:00:00 GMTmanufacturing-engineering, user-interfacehttps://ghackenberg.github.io/posts/2015_07_27_hyperkit_software_goes_online/https://ghackenberg.github.io/posts/2015_07_27_hyperkit_software_goes_online/I am happy to announce the launch of www.hyperkit-software.com! We have been working on our software products over the past two years. Now we feel is the right ...Sun, 26 Jul 2015 00:00:00 GMThyperkit-software, knowledge-management, data-visualizationhttps://ghackenberg.github.io/posts/2015_07_20_zumida_goes_online/https://ghackenberg.github.io/posts/2015_07_20_zumida_goes_online/I am happy to announce the launch of www.zumida.com! We invented zumida to revolutionize corporate and public knowledge exploration. Check it out and give us fe...Sun, 19 Jul 2015 00:00:00 GMThyperkit-software, zumida, knowledge-management, data-visualization, user-interfacehttps://ghackenberg.github.io/posts/2014_11_18_slides_online/https://ghackenberg.github.io/posts/2014_11_18_slides_online/To complete the publications section of my website I recently added slides, abstracts and BibTEX entries. Note that the slides are hosted on slideshare, a free ...Mon, 17 Nov 2014 00:00:00 GMTbloghttps://ghackenberg.github.io/posts/2014_09_24_website_online/https://ghackenberg.github.io/posts/2014_09_24_website_online/I am happy to announce the launch of my new website. This is the fourth edition of the website, where I try to go back to the original idea of providing easy to...Tue, 23 Sep 2014 00:00:00 GMTbloghttps://ghackenberg.github.io/posts/2013_12_18_smart_traffic_control/https://ghackenberg.github.io/posts/2013_12_18_smart_traffic_control/Besides our original topics such as distributed and smart fride control we have worked on another interesting issue: Smart traffic control. By smart traffic con...Tue, 17 Dec 2013 00:00:00 GMTdynamic-programming, traffic-control, data-visualizationhttps://ghackenberg.github.io/posts/2013_06_16_3d_trace_visualization/https://ghackenberg.github.io/posts/2013_06_16_3d_trace_visualization/To better understand the behavior space and its heuristic exploration using our tool Xtream we developed a proprietary 3D visualization. The visualization shows...Wed, 15 May 2013 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2013_03_11_web_content_graph/https://ghackenberg.github.io/posts/2013_03_11_web_content_graph/In the past year we have spent quite some effort on giving our smart grid research activties a shape. One of our big milestones was to establish this website as...Sun, 10 Mar 2013 00:00:00 GMTdata-visualization, zumidahttps://ghackenberg.github.io/posts/2013_02_19_interactive_visualization/https://ghackenberg.github.io/posts/2013_02_19_interactive_visualization/As part of our virtual smart grid testbed lab we have been working on an interactive visualization for our models including their structure and behavior. Here a...Mon, 18 Feb 2013 00:00:00 GMTdata-visualization, user-interfacehttps://ghackenberg.github.io/posts/2013_01_16_guided_exploration/https://ghackenberg.github.io/posts/2013_01_16_guided_exploration/Previously, our results showed that we are able to generate high quality goal-oriented behavior for models including up to 20 components. This article demonstra...Tue, 15 Jan 2013 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_12_20_machine_learning_experiment/https://ghackenberg.github.io/posts/2012_12_20_machine_learning_experiment/The machine learning approach is progressing: This article provides a glance into one of our machine learning models as well as behavior after training. The res...Wed, 19 Dec 2012 00:00:00 GMTdynamic-programming, machine-learning, data-visualizationhttps://ghackenberg.github.io/posts/2012_11_23_collective_learning/https://ghackenberg.github.io/posts/2012_11_23_collective_learning/In the past weeks we have been working on a first prototype for collective learning. The idea behind the approach is to make individuals collaborate with respec...Thu, 22 Nov 2012 00:00:00 GMTdynamic-programming, machine-learning, data-visualizationhttps://ghackenberg.github.io/posts/2012_10_17_getting_closer/https://ghackenberg.github.io/posts/2012_10_17_getting_closer/After extending our models and testing our tool chain we finally get some results that are really close to actual balance. The results are an important step tow...Tue, 16 Oct 2012 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_08_30_meet_energycity/https://ghackenberg.github.io/posts/2012_08_30_meet_energycity/To smooth the way for smart energy systems we have been working on a virtual testbed for deploying and testing control strategies: EnergyCity. This article show...Wed, 29 Aug 2012 00:00:00 GMTdynamic-programming, data-visualization, youtube-videohttps://ghackenberg.github.io/posts/2012_08_20_using_energy_storage/https://ghackenberg.github.io/posts/2012_08_20_using_energy_storage/After adding the powerhouse in the previous example we now integrate a model of energy storage components into the picture. This first study explores the behavi...Sun, 19 Aug 2012 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_08_17_optimizing_powerhouse_control/https://ghackenberg.github.io/posts/2012_08_17_optimizing_powerhouse_control/To meet the hard power balance contraint the use of conventional power plants and powerhouses is probably inevitable even in a smart grid. For this reason we ex...Thu, 16 Aug 2012 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_08_14_sample_system_model/https://ghackenberg.github.io/posts/2012_08_14_sample_system_model/To demonstrate the models we are working with here is some sample output from our tool. The engine transforms structural model information in a custom graph for...Mon, 13 Aug 2012 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_08_10_emergent_refrigerator_behavior/https://ghackenberg.github.io/posts/2012_08_10_emergent_refrigerator_behavior/We are moving towards larger scale problems! In the past we worked on modeling, optimizing and exploring behavior of up to 20 refrigerators. Computational bound...Thu, 09 Aug 2012 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_08_03_visualization_studio/https://ghackenberg.github.io/posts/2012_08_03_visualization_studio/Seeing is understanding. This is especially true when engineering the structure and behavior of complex systems. Understanding whatever models you built is the ...Thu, 02 Aug 2012 00:00:00 GMTdynamic-programming, data-visualization, youtube-videohttps://ghackenberg.github.io/posts/2012_07_16_behavior_space_exploration/https://ghackenberg.github.io/posts/2012_07_16_behavior_space_exploration/When it comes to an array of heterogeneous refrigerators, control optimization becomes a real challenge. In this article I demonstrate how a possible strategy c...Sun, 15 Jul 2012 00:00:00 GMTdynamic-programming, data-visualization, youtube-videohttps://ghackenberg.github.io/posts/2012_07_13_refrigerator_optimization_results/https://ghackenberg.github.io/posts/2012_07_13_refrigerator_optimization_results/Here are some recent results on using solar energy for powering refrigerators. In the experimental setup we study how to control the cooling process of 20 refri...Thu, 12 Jul 2012 00:00:00 GMTdynamic-programming, data-visualizationhttps://ghackenberg.github.io/posts/2012_07_03_mse_follow_up/https://ghackenberg.github.io/posts/2012_07_03_mse_follow_up/This is only a short/quick supplement to Denis' previous article about the Munich School of Engineering (MSE) colloquium. I uploaded my poster to show people so...Mon, 02 Jul 2012 00:00:00 GMTconferencehttps://ghackenberg.github.io/posts/2012_06_19_smart_grid_research_initiative/https://ghackenberg.github.io/posts/2012_06_19_smart_grid_research_initiative/The last weeks my colleagues and I have been working on a website to promote our smart grid research and communicate with other researchers and practitioners fr...Mon, 18 Jun 2012 00:00:00 GMTteaching, dynamic-programminghttps://ghackenberg.github.io/posts/2012_06_11_visualizing_grid_simulation/https://ghackenberg.github.io/posts/2012_06_11_visualizing_grid_simulation/At ICSE I presented our initial model for simulating the smart grid including both physical and software components. To help developers analyse their systems we...Sun, 10 Jun 2012 00:00:00 GMTdynamic-programming, data-visualization, youtube-videohttps://ghackenberg.github.io/posts/2012_06_05_se4sg_paper_presentation/https://ghackenberg.github.io/posts/2012_06_05_se4sg_paper_presentation/I just uploaded my presentation slides for the SE4SG workshop to slideshare to give you the opportunity to review my talk. I hope everybody enjoyed the presenta...Mon, 04 Jun 2012 00:00:00 GMTconference, slideshare-presentationhttps://ghackenberg.github.io/posts/2012_06_04_se4sg_workshop_report/https://ghackenberg.github.io/posts/2012_06_04_se4sg_workshop_report/Yesterday the ICSE workshop on software engineering challenges for the smart grid was held at the University of Zurich. It was a great event providing fertile g...Sun, 03 Jun 2012 00:00:00 GMTconferencehttps://ghackenberg.github.io/posts/2012_05_31_leaving_to_icse_tomorrow/https://ghackenberg.github.io/posts/2012_05_31_leaving_to_icse_tomorrow/The event is approaching: Tomorrow at 11:59 AM the train is leaving to Zurich, Switzerland, where the 34th International Conference on Software Engineering is h...Wed, 30 May 2012 00:00:00 GMTconferencehttps://ghackenberg.github.io/posts/2012_04_27_motion_capture_documents/https://ghackenberg.github.io/posts/2012_04_27_motion_capture_documents/Recently while browsing some folders on my hard disk I discovered relicts from my time in Lausanne, Switzerland. Somehow, for me this is an interesting and exci...Thu, 26 Apr 2012 00:00:00 GMTmotion-capturehttps://ghackenberg.github.io/posts/2012_04_24_software_logo_tablet_pen_sketches/https://ghackenberg.github.io/posts/2012_04_24_software_logo_tablet_pen_sketches/In a previous article I showcased some logo ideas I created with Inkscape and Gimp. In the mean time I bought a Tablet PC with Stylus and discovered a little to...Mon, 23 Apr 2012 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2012_04_19_smart_grid_simulation_report/https://ghackenberg.github.io/posts/2012_04_19_smart_grid_simulation_report/We are not there yet, but we are making good progress! That's probably the message of this second report on smart grid simulation (see first report). This artic...Wed, 18 Apr 2012 00:00:00 GMTdynamic-programminghttps://ghackenberg.github.io/posts/2012_04_16_smart_grid_seminar/https://ghackenberg.github.io/posts/2012_04_16_smart_grid_seminar/Today the spring term started at the Technical University of Munich and so did our newly created smart grid seminar. The goal of the seminar is to teach young s...Sun, 15 Apr 2012 00:00:00 GMTteaching, dynamic-programminghttps://ghackenberg.github.io/posts/2012_04_12_timeline_navigation_facebook_like/https://ghackenberg.github.io/posts/2012_04_12_timeline_navigation_facebook_like/To improve the usability of my blog I worked on two new features: (1) The timeline navigation and (2) the Facebook like button. When reading an article, the tim...Wed, 11 Apr 2012 00:00:00 GMTblog, user-interfacehttps://ghackenberg.github.io/posts/2012_04_05_icse_2012_se4sg_workshop_paper/https://ghackenberg.github.io/posts/2012_04_05_icse_2012_se4sg_workshop_paper/I am happy to announce that my colleagues Maximilian Irlbeck, Vasileios Koutsoumpas, Denis Bytschkow and I successfully published a paper on applying formal sof...Wed, 04 Apr 2012 00:00:00 GMTconferencehttps://ghackenberg.github.io/posts/2012_03_15_3d_multi_touch_master_thesis/https://ghackenberg.github.io/posts/2012_03_15_3d_multi_touch_master_thesis/Due to the overwhelming response from the research community over the past 2 years I decided to put online my Master Thesis written at Fraunhofer FIT. I hope my...Wed, 14 Mar 2012 00:00:00 GMTmotion-capture, gesture-recognition, computer-vision, user-interfacehttps://ghackenberg.github.io/posts/2012_02_23_smart_grid_simulation_video/https://ghackenberg.github.io/posts/2012_02_23_smart_grid_simulation_video/The last weeks my colleagues and I have been working hard on a basic simulation of a household with electric components and control software. We show first resu...Wed, 22 Feb 2012 00:00:00 GMTdynamic-programming, data-visualization, youtube-videohttps://ghackenberg.github.io/posts/2012_02_13_software_campus_fellowship/https://ghackenberg.github.io/posts/2012_02_13_software_campus_fellowship/To promote young computer scientists on their way to management or entrepreneurship a consortium of leading German corporations and the Federal Ministry of Educ...Sun, 12 Feb 2012 00:00:00 GMTaward, dynamic-programming, data-visualization, machine-learninghttps://ghackenberg.github.io/posts/2012_01_17_mediawiki_team_roadmap/https://ghackenberg.github.io/posts/2012_01_17_mediawiki_team_roadmap/Recently, a few colleagues and I founded a working group around the topic of software engineering for future energy systems (also called smart grids). To coordi...Mon, 16 Jan 2012 00:00:00 GMTtask-management, hyperkit-softwarehttps://ghackenberg.github.io/posts/2012_01_05_javascript_svg_tag_graph/https://ghackenberg.github.io/posts/2012_01_05_javascript_svg_tag_graph/Here's another interface in the series of JavaScript/SVG interactive respectively animated prototypes: The tag graph. The idea is to display the article tags as...Wed, 04 Jan 2012 00:00:00 GMTblog, data-visualization, hyperkit-software, zumidahttps://ghackenberg.github.io/posts/2012_01_04_revised_php_xml_blog_implementation/https://ghackenberg.github.io/posts/2012_01_04_revised_php_xml_blog_implementation/After another year of up-time it was time to revise some parts of the blog implementation. Originally, I did not pay much attention to the file structure. Howev...Tue, 03 Jan 2012 00:00:00 GMTblog, data-visualizationhttps://ghackenberg.github.io/posts/2011_08_12_promotional_smart_grid_videos/https://ghackenberg.github.io/posts/2011_08_12_promotional_smart_grid_videos/Currently I am working hard to understand ongoing efforts for revolutionizing the energy supply systems across the globe. In a recent article - a View onto the ...Thu, 11 Aug 2011 00:00:00 GMTyoutube-video, drawinghttps://ghackenberg.github.io/posts/2011_07_29_official_3dmt_websites/https://ghackenberg.github.io/posts/2011_07_29_official_3dmt_websites/Recently, two websites went online about the 3D multi-touch prototype that I developed during my Master thesis at Fraunhofer FIT. They serve as the public hub f...Thu, 28 Jul 2011 00:00:00 GMTmotion-capture, gesture-recognition, computer-vision, user-interfacehttps://ghackenberg.github.io/posts/2011_07_25_mental_picture_science/https://ghackenberg.github.io/posts/2011_07_25_mental_picture_science/Having worked for some time both in research and development and on my PhD, I started to reflect on my work to gain an observer's perspective. In this article I...Sun, 24 Jul 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_07_22_energy_system_views/https://ghackenberg.github.io/posts/2011_07_22_energy_system_views/Lately I got interested in the domain of energy supply systems for human society. It is currently one of the hottest topics all in politics, science, research &...Thu, 21 Jul 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_07_21_artistic_exercises/https://ghackenberg.github.io/posts/2011_07_21_artistic_exercises/Last weekend I was visiting friends in Berlin. Many of them work in the creative domain being photographers, journalists, and artists. It has been an interestin...Wed, 20 Jul 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_07_14_3dmt_computer_vision/https://ghackenberg.github.io/posts/2011_07_14_3dmt_computer_vision/Some time ago I was working on free hand 3D gesture interfaces similar to Microsoft Kinect. What this work essentially means is collecting digital camera images...Wed, 13 Jul 2011 00:00:00 GMTmotion-capture, gesture-recognition, computer-vision, user-interfacehttps://ghackenberg.github.io/posts/2011_07_04_fraunhofer_prize_award_2011/https://ghackenberg.github.io/posts/2011_07_04_fraunhofer_prize_award_2011/After finishing graduate classes at RWTH Aachen University I decided to go to Fraunhofer FIT, a non-profit R&D organization at the interface between science...Sun, 03 Jul 2011 00:00:00 GMTaward, motion-capture, gesture-recognition, user-interface, computer-visionhttps://ghackenberg.github.io/posts/2011_06_30_blog_cover_interface/https://ghackenberg.github.io/posts/2011_06_30_blog_cover_interface/In the previous post I demonstrated Animated Article Tiles, a new type of interface for blogs. One problem people had using the interface was that the images/ti...Wed, 29 Jun 2011 00:00:00 GMTblog, data-visualization, user-interfacehttps://ghackenberg.github.io/posts/2011_06_29_animated_article_tiles/https://ghackenberg.github.io/posts/2011_06_29_animated_article_tiles/In my previous posts Blog Calender Interface and Blog Timeline Widget I demonstrated how to use the time information to build navigation controls for blogs. In ...Tue, 28 Jun 2011 00:00:00 GMTblog, data-visualization, user-interfacehttps://ghackenberg.github.io/posts/2011_06_28_blog_calendar_interface/https://ghackenberg.github.io/posts/2011_06_28_blog_calendar_interface/In my last post Blog Timeline Widget I demonstrated how to provide a timeline for navigating your blog posts. In this article I show a modified version of the i...Mon, 27 Jun 2011 00:00:00 GMTblog, data-visualization, user-interfacehttps://ghackenberg.github.io/posts/2011_06_27_blog_timeline_widget/https://ghackenberg.github.io/posts/2011_06_27_blog_timeline_widget/The main purpose of a blog is to provide access to articles (HTML documents) organized by date. To reflect this idea I designed a timeline that visualizes the t...Sun, 26 Jun 2011 00:00:00 GMTblog, data-visualization, user-interface, youtube-videohttps://ghackenberg.github.io/posts/2011_06_22_interactive_animated_sitemap/https://ghackenberg.github.io/posts/2011_06_22_interactive_animated_sitemap/Last summer I had the chance to develop an innovative sitemap widget for the company Le-Tex, which was intended for use at the international book fair in Frankf...Tue, 21 Jun 2011 00:00:00 GMThyperkit-software, zumida, knowledge-management, data-visualization, user-interface, youtube-videohttps://ghackenberg.github.io/posts/2011_06_21_information_structure_notation/https://ghackenberg.github.io/posts/2011_06_21_information_structure_notation/In a previous article I explained the basic Information Visualization Problem caused by the vast space of options for visual design. In this article I concentra...Mon, 20 Jun 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_06_16_from_layout_to_animation/https://ghackenberg.github.io/posts/2011_06_16_from_layout_to_animation/In a previous article The Evolution of a Functional Prototype I demonstrated how to transform sketches into prototypes backed by database content and applicatio...Wed, 15 Jun 2011 00:00:00 GMTblog, user-interface, drawing, youtube-videohttps://ghackenberg.github.io/posts/2011_06_11_functional_prototype_evolution/https://ghackenberg.github.io/posts/2011_06_11_functional_prototype_evolution/In a previous article From Sketch to Prototype I illustrated the change from fuzzy whiteboard sketches to more structured and formal HTML prototypes. In this ar...Fri, 10 Jun 2011 00:00:00 GMTblog, user-interface, drawinghttps://ghackenberg.github.io/posts/2011_06_10_information_visualization_problem/https://ghackenberg.github.io/posts/2011_06_10_information_visualization_problem/Inspired by my pervious post about Visualizing Software Systems I started to think about the more general problem of information visualization. The major differ...Thu, 09 Jun 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_06_09_comparing_design_options/https://ghackenberg.github.io/posts/2011_06_09_comparing_design_options/Developing graphical user interfaces requires us to develop visual representations of information and controls. My previous article, From Sketch to Prototype, e...Wed, 08 Jun 2011 00:00:00 GMTdrawing, user-interfacehttps://ghackenberg.github.io/posts/2011_06_08_visualizing_software_systems/https://ghackenberg.github.io/posts/2011_06_08_visualizing_software_systems/One problem computer science has compared to many other technical disciplines such as physics or architecture is to create and communicate mental pictures of th...Tue, 07 Jun 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_06_06_from_sketch_to_prototype/https://ghackenberg.github.io/posts/2011_06_06_from_sketch_to_prototype/I have been long thinking how to reorganize my website to migrate from a pure blogging system to a more complete personal portfolio while keeping an original bu...Sun, 05 Jun 2011 00:00:00 GMTblog, user-interface, drawinghttps://ghackenberg.github.io/posts/2011_04_29_personal_source_code_portal/https://ghackenberg.github.io/posts/2011_04_29_personal_source_code_portal/Since I have been asked for the code behind some articles, I decided to put online a separate website for public tracking and distributing the software projects...Thu, 28 Apr 2011 00:00:00 GMThyperkit-softwarehttps://ghackenberg.github.io/posts/2011_04_21_research_group_seminar_winter_2011/https://ghackenberg.github.io/posts/2011_04_21_research_group_seminar_winter_2011/Beginning of this week the research group I currently work at was going onto a two day seminar trip onto the country side south of Munich. Since we are a very l...Wed, 20 Apr 2011 00:00:00 GMTmotion-capture, gesture-recognition, computer-vision, user-interface, slideshare-presentationhttps://ghackenberg.github.io/posts/2011_04_14_javascript_physics_simulation/https://ghackenberg.github.io/posts/2011_04_14_javascript_physics_simulation/Some time ago I was testing the capabilities of JavaScript and vector graphics toolkits such as SVG (Mozilla Firefox, Opera, Safari) and VML (Microsoft Internet...Wed, 13 Apr 2011 00:00:00 GMTyoutube-video, hyperkit-software, zumidahttps://ghackenberg.github.io/posts/2011_03_27_stick_figure_drawing_exercise/https://ghackenberg.github.io/posts/2011_03_27_stick_figure_drawing_exercise/To improve my drawing skills recently I bought a book about stick figure drawing. Here is the result of my first exercise, but don't have too high expections ju...Sat, 26 Mar 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_03_24_ieee_vr_2011_singapore/https://ghackenberg.github.io/posts/2011_03_24_ieee_vr_2011_singapore/Last week I went to Singapore to present the results of my Master thesis at IEEE VR 2011, one of the world's most prestigeous virtual reality conferences. It wa...Wed, 23 Mar 2011 00:00:00 GMTconference, slideshare-presentation, motion-capture, gesture-recognition, computer-vision, user-interfacehttps://ghackenberg.github.io/posts/2011_03_10_pen_mypaint_sketches/https://ghackenberg.github.io/posts/2011_03_10_pen_mypaint_sketches/For a long time I have been searching for a sketching program to use with my Tablet PC Pen during the development of software systems. Recently I discovered a l...Wed, 09 Mar 2011 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2011_02_22_linear_vs_cubic_interpolation/https://ghackenberg.github.io/posts/2011_02_22_linear_vs_cubic_interpolation/After talking with some non-computer scientists about my previous visualization of cubic interpolation I found out that the concept is difficult to understand i...Mon, 21 Feb 2011 00:00:00 GMTyoutube-video, data-visualizationhttps://ghackenberg.github.io/posts/2012_02_14_online_xml_php_resume/https://ghackenberg.github.io/posts/2012_02_14_online_xml_php_resume/For some time now I was looking for a solution to manage and publish my resume on my website. A simple solution is to upload the PDF, however integration with o...Sun, 13 Feb 2011 00:00:00 GMTblog, data-visualizationhttps://ghackenberg.github.io/posts/2011_02_02_cubic_interpolation_demo/https://ghackenberg.github.io/posts/2011_02_02_cubic_interpolation_demo/Cubic interpolation is a popular technique in many branches of computer science. For example, it is used when having a time series of numbers and estimating the...Tue, 01 Feb 2011 00:00:00 GMTyoutube-video, data-visualizationhttps://ghackenberg.github.io/posts/2011_01_27_3dmt_product_vision/https://ghackenberg.github.io/posts/2011_01_27_3dmt_product_vision/As you might know I was developing a prototype for 3D multi-touch interaction during my Master thesis at Fraunhofer FIT. Lately I had the chance to talk with a ...Wed, 26 Jan 2011 00:00:00 GMTdrawing, motion-capture, gesture-recognition, computer-vision, user-interfacehttps://ghackenberg.github.io/posts/2011_01_19_website_usability_redesign/https://ghackenberg.github.io/posts/2011_01_19_website_usability_redesign/After being online with the original layout and navigation concept for almost two years it was time for some central improvements. Among others the RSS feeds ha...Tue, 18 Jan 2011 00:00:00 GMTbloghttps://ghackenberg.github.io/posts/2012_01_11_whiteboard_task_management/https://ghackenberg.github.io/posts/2012_01_11_whiteboard_task_management/At my new job alongside their PhD thesis everybody is involved in a number of research projects both public funded and with industry cooperation. In many situat...Mon, 10 Jan 2011 00:00:00 GMTtask-management, hyperkit-softwarehttps://ghackenberg.github.io/posts/2010_06_27_master_thesis_video/https://ghackenberg.github.io/posts/2010_06_27_master_thesis_video/After finally completing my Master Thesis project at Fraunhofer FIT me and some friends took some time to prepare a demonstration video. The video is now availa...Sat, 26 Jun 2010 00:00:00 GMTyoutube-video, motion-capture, gesture-recognition, computer-vision, user-interfacehttps://ghackenberg.github.io/posts/2010_01_05_ajax_php_distributed_event_bus/https://ghackenberg.github.io/posts/2010_01_05_ajax_php_distributed_event_bus/How to synchronize the users of your web site or web application? How to propagate events from one browser or client to the next? This article demonstrates a fi...Mon, 04 Jan 2010 00:00:00 GMTyoutube-video, hyperkit-softwarehttps://ghackenberg.github.io/posts/2010_01_04_php_xml_template_engine/https://ghackenberg.github.io/posts/2010_01_04_php_xml_template_engine/After the success of JSP and JSP tag libraries in the Java world, I was searching for a similar mechanism in PHP. Since the search was not successful and I shar...Sun, 03 Jan 2010 00:00:00 GMThyperkit-softwarehttps://ghackenberg.github.io/posts/2009_11_17_master_thesis_screenshots/https://ghackenberg.github.io/posts/2009_11_17_master_thesis_screenshots/Get ready for the newest and freshest screenshots of my 3D hand tracking application. These pictures show some results of my six month work at Fraunhofer Insitu...Tue, 10 Nov 2009 00:00:00 GMTmotion-capture, computer-vision, data-visualizationhttps://ghackenberg.github.io/posts/2009_07_21_opengl_debugging_grid_3d/https://ghackenberg.github.io/posts/2009_07_21_opengl_debugging_grid_3d/Currently, I am working on my thesis in the area of Computer Vision. The algorithms are quite complex and difficult to debug. Therefore, I implemented a simple ...Mon, 20 Jul 2009 00:00:00 GMTdata-visualization, computer-visionhttps://ghackenberg.github.io/posts/2009_07_11_javascript_graph_layout_using_svg/https://ghackenberg.github.io/posts/2009_07_11_javascript_graph_layout_using_svg/Nowadays, it is not a simple task to integrate interactive graphs into Web applications. Graphs could be used in various ways from presenting overviews to prese...Fri, 10 Jul 2009 00:00:00 GMTdata-visualization, hyperkit-software, zumidahttps://ghackenberg.github.io/posts/2009_05_30_hyperkit_leightweight_cms_php/https://ghackenberg.github.io/posts/2009_05_30_hyperkit_leightweight_cms_php/Recently, I helped a friend of mine who is starting his own business with his website. I searched for a lightweight content management system which provides eno...Fri, 29 May 2009 00:00:00 GMThyperkit-software, user-interfacehttps://ghackenberg.github.io/posts/2009_04_06_diverse_logo_ideas/https://ghackenberg.github.io/posts/2009_04_06_diverse_logo_ideas/Since I haven't published any article for a while, I thought it would be a good idea to get some new work impressions out. Here are some logos I developed over ...Sun, 05 Apr 2009 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2009_03_24_augmented_reality_framework_screenshots/https://ghackenberg.github.io/posts/2009_03_24_augmented_reality_framework_screenshots/Last year I started developing an augmented reality framework with a friend of mine from electrical engineering science. We succeeded in providing a QT user int...Mon, 23 Mar 2009 00:00:00 GMTcomputer-vision, data-visualizationhttps://ghackenberg.github.io/posts/2009_03_24_js_3d_engine_screenshots/https://ghackenberg.github.io/posts/2009_03_24_js_3d_engine_screenshots/The history of me developing 3D engines for the Web goes back quite a while. It was revived after working at Siemens Corporate Research because they had the nee...Mon, 23 Mar 2009 00:00:00 GMTcomputer-graphics, hyperkit-software, zumidahttps://ghackenberg.github.io/posts/2009_03_21_business_documents_using_xsl_fo/https://ghackenberg.github.io/posts/2009_03_21_business_documents_using_xsl_fo/Recently I faced the problem of writing a bill to a customer for which I did Web consulting and development services. I searched for a solution to automatically...Fri, 20 Mar 2009 00:00:00 GMThyperkit-softwarehttps://ghackenberg.github.io/posts/2009_03_20_xml_rpc_based_spam_filtering/https://ghackenberg.github.io/posts/2009_03_20_xml_rpc_based_spam_filtering/To prevent my blog from being spammed, I recently integrated a spam filtering service. The service is offered by blogspam (dot) net, it's entirely open source a...Thu, 19 Mar 2009 00:00:00 GMTbloghttps://ghackenberg.github.io/posts/2009_02_22_elearning_course_project/https://ghackenberg.github.io/posts/2009_02_22_elearning_course_project/Here are some impressions from my last term at university. I participated in a course called eLearning. The goal was to teach us how to develop eLearning produc...Sat, 21 Feb 2009 00:00:00 GMTdrawinghttps://ghackenberg.github.io/posts/2009_02_22_personal_study_management/https://ghackenberg.github.io/posts/2009_02_22_personal_study_management/Over my past years of study, I developed a system for organizing my learning. It helps me staying focused and having an overview over my progress. In this artic...Sat, 21 Feb 2009 00:00:00 GMThyperkit-software, data-visualizationhttps://ghackenberg.github.io/posts/2009_02_17_lightweight_blog_implementation/https://ghackenberg.github.io/posts/2009_02_17_lightweight_blog_implementation/In this article I describe how this website is created. You get a good insight into the techniques and technologies used. And maybe you get good ideas for your ...Mon, 16 Feb 2009 00:00:00 GMTbloghttps://ghackenberg.github.io/posts/2009_02_14_entrepreneurship_lab/https://ghackenberg.github.io/posts/2009_02_14_entrepreneurship_lab/This term I participated in the lab for Entrepreneurship and New Media. The students were split into groups and assigned to an industry partner. Then, a softwar...Fri, 13 Feb 2009 00:00:00 GMTuser-interfacehttps://ghackenberg.github.io/posts/2009_02_12_german_resume/https://ghackenberg.github.io/posts/2009_02_12_german_resume/For those, who are interested in my career, here is my current resume. Unfortunatelly, for now I only have a German version. The updated English version will fo...Wed, 11 Feb 2009 00:00:00 GMTdata-visualizationhttps://ghackenberg.github.io/posts/2009_02_12_java_runtime_uml/https://ghackenberg.github.io/posts/2009_02_12_java_runtime_uml/Two years ago, I started a project called SoftRay at Siemens Corporate Research in Princeton. The tool generates UML diagrams from running Java programs. It's q...Wed, 11 Feb 2009 00:00:00 GMTdata-visualizationhttps://ghackenberg.github.io/posts/2009_02_11_personal_website_launched/https://ghackenberg.github.io/posts/2009_02_11_personal_website_launched/Hey everyone! I am happy, you made it to this site :). It is my first try to get something up and running. So I hope, you'll like it. I'll try my best to get so...Tue, 10 Feb 2009 00:00:00 GMTblog