Dr.-Ing. Christoph Langenhan

Chair of Architectural Informatics (Prof. Petzold)

Research Interests

Artificial Intelligence
Design Tools
Sketch-Based Interaction
Building Information Modeling
Semantic Building Models
Knowledge Management
Augmented Reality
Virtual Reality

Curriculum Vitae

2005 - Forschungsaufenthalt University of Otago
2010 - Wissenschaftlicher Mitarbeiter
2011 - Mitglied in der Bayerischen Architektenkammer
2012 - Leiter Forschungsgruppe
2014 - Akademischer Rat

Teaching

Winter term 2020/21

Research Projects

KSD Research Group

Publications

2020

  • Arora, Hardik; Langenhan, Christoph; Petzold, Frank; Eisenstadt, Viktor; Althoff, Klaus-Dieter: METIS-GAN: An approach to generate spatial configurations using deep learning and semantic building models. ECPPM - European Conference on Product and Process Modeling 2020-2021, 2020 mehr…
  • Bielski, Jessica; Langenhan, Christoph; Weyand, Babara; Neuber, Markus; Eisenstadt, Viktor; Althoff, Klaus-Dieter: Topological Queries and Analysis of School Buildings Based on Building Information Modeling (BIM) Using Parametric Design Tools and Visual Programming to Develop New Building Typologies. eCAADe - Education and research in Computer Aided Architectural Design in Europe, 2020 mehr…
  • Eisenstadt, Viktor; Langenhan, Christoph; Althoff, Klaus-Dieter: Student Graduation Projects in the Context of Framework for AI-Based Support of Early Conceptual Phases in Architecture. LWDA - Lernen, Wissen, Daten, Analysen, 2020 mehr…
  • Eisenstadt, Viktor; Langenhan, Christoph; Althoff, Klaus-Dieter; Dengel, Andreas: Improved and Visually Enhanced Case-Based Retrieval of Room Configurations for Assistance in Architectural Design Education. International Conference on Case-Based Reasoning, 2020 mehr…

2019

  • Eisenstadt, Viktor; Langenhan, Christoph; Althoff, Klaus-Dieter: FLEA-CBR--A Flexible Alternative to the Classic 4R Cycle of Case-Based Reasoning. International Conference on Case-Based Reasoning, 2019 mehr…
  • Eisenstadt, Viktor; Langenhan, Christoph; Althoff, Klaus-Dieter: Generation of Floor Plan Variations with Convolutional Neural Networks and Case-based Reasoning -- An Approach for Unsupervised Adaptation of Room Configurations within a Framework for Support of Early Conceptual Design. eCAADe SIGraDi Conference, Porto, 2019 mehr…
  • Langenhan, Christoph; Eisenstadt, Viktor; Petzold, Frank; Althoff, Klaus-Dieter: Models of designing -- Design support to steer creative wicked problem solving processes with knowledge management and artificial intelligence. Model Based Research 1, 2019 mehr…

2018

  • Ayzenshtadt, V.; Espinoza-Stapelfeld, C.-A.; Langenhan,C.; Althoff, K.-D.: Multi-Agent-Based Generation of Explanations for Retrieval Results Within a Case-Based Support Framework for Architectural Design. Proceedings of the 10th International Conference on Agents and Artificial Intelligence (ICAART-18), Scitepress, 2018 mehr…

2017

  • Ayzenshtadt V., Langenhan C., Bukhari S., Althoff K., Petzold F., Dengel A.: Extending the flexibility of case-based design support tools: A use case in the architectural domain. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Springer, 2017 mehr…
  • Roith, Johannes; Langenhan, Christoph; Petzold, Frank: Supporting the building design process with graph-based methods using centrally coordinated federated databases. Visualization in Engineering 5 (1), 2017 mehr…

2016

  • Ayzenshtadt V., Langenhan C., Bukhari S., Althoff K-D., Petzold F. and Dengel A: Thinking With Containers: A Multi-Agent Retrieval Approach for the Case-Based Semantic Search of Architectural Designs. ICAART, 20168th International Conference on Agents and Artificial Intelligence mehr…
  • Langenhan C. and Petzold F.: Perspectives on architecture: Different abstraction layer of building information imply special working methods and interaction metaphors to support a variety course of action. Sigradi, 2016XX Conference of the Iberoamerican Society of Digital Graphics. Buenos Aires. Argentina mehr…
  • Roith J., Langenhan C. and Petzold F.: Supporting the building design process with graph-based methods using centrally coordinated federated databases. ICCCBE, 201616th International Conference on Computing in Civil and Building Engineering. mehr…
  • Thurow T., Langenhan C. and Petzold F.: ). Assisting Early Architectural Planning Using a Geometry-Based Graph Search. eCAADe, 2016 mehr…

2015

  • Ayzenshtadt V., Langenhan C., Bukhari S., Althoff K-D., Petzold F. and Dengel, A.: Distributed Domain Model for the Case-Based Retrieval of Architectural Building Designs. UKCBR, 201520th UK Workshop on Case-Based Reasoning located at SGAI International Conference on Artificial Intelligence mehr…
  • Bayer, Johannes; Bukhari, Syed Saqib; Langenhan, Christoph; Liwicki, Marcus; Althoff, Klaus-Dieter; Petzold, Frank; Dengel, Andreas: Migrating the Classical Pen-and-Paper Based Conceptual Sketching of Architecture Plans Towards Computer Tools - Prototype Design and Evaluation. In: GREC 2015: Graphic Recognition. Current Trends and Challenges. Springer International Publishing, 2015 mehr…
  • Bukhari S., Dengel A., Bayer J., Langenhan C., Althoff K.-D., Petzold F. and Eichenberger-Liwicki M.: Migrating the Classical Pen-and-Paper based Conceptual Sketching of Architecture Plans Towards Computer Tools – Prototype Design and Evaluation. GREC, 2015 mehr…
  • Langenhan C., Petzold F.: BEYOND THE BUBBLE – Computer-aided topological analysis and parametric de-sign of room configurations in university education. eCAADe, 201533rd Annual Conference 16th-18th September 2015. mehr…
  • Langenhan, Christoph: Ein föderiertes Informationssystem zur Unterstützung topologischer BIM-basierter Ansätze. Bauinformatik 2015: Beiträge zum 27. Forum Bauinformatik, Wichmann, 2015, 96-104 mehr…
  • Petzold, Frank; Hild, Andreas; Langenhan, Christoph; Thomä, Henrik: BIM im architektonischen Entwurf. In: Building Information Modeling. Springer, 2015, 265-270 mehr…

2014

  • Daum, S.; Borrmann, A.; Langenhan, C.; Petzold, F.: Automated generation of building fingerprints using a spatio-semantic query language for building information models. eWork and eBusiness in Architecture, Engineering and Construction: ECPPM 2014, 2014 mehr…

2013

  • Ahmed, Sheraz; Weber, Markus; Liwicki, Marcus; Langenhan, Christoph; Dengel, Andreas; Petzold, Frank: Automatic Analysis and Sketch-Based Retrieval of Architectural Floor Plans. Pattern Recognition Letters, 2013 mehr…
  • Harutunian, M.; Kinnen, T.; Quach, H.-K; Stoll, M.; Langenhan, C.: ar:searchbox.services: Dienstorientiertes System zur Recherche und Analyse von Referenzbeispielen auf Multi-Touch-Devices zur Unterstützung der frühen Entwurfsphasen. In: Forum Bauinformatik 2013. Shaker Verlag, 2013, 59--70 mehr…
  • Langenhan, C.; Sahm, A.; Seifert, A.; Teichert, A.; Petzold, F.: Mobile application to collect information about architecture to obtain a collective knowledge base. In: ASCAAD 2013. ASCAAD, 2013 mehr…
  • Langenhan, Christoph; Weber, Markus; Liwicki, Marcus; Petzold, Frank; Dengel, Andreas: Graph-based retrieval of building information models for supporting the early design stages. Advanced Engineering Informatics, 2013 mehr…
  • Markova, Stanimira; Langenhan, Christoph; Russell, Peter; Petzold, Frank: Building Elements Re-usability Optimization-Design Decision Support Using a Case-Base of Building Information Models and Semantic Fingerprints. In: Global Design and Local Materialization. Springer Berlin Heidelberg, 2013, 295--305 mehr…

2012

  • Langenhan, C.; Seifert, A.; Teichert, A.; F., Petzold: ar:searchbox: Knowledge management for architecture students. In: eCAADe. -, 2012 mehr…
  • Langenhan, C.; Weber, M.; Liwicki, M.; Dengel, A.; F., Petzold: Topological Query on Semantic Building Models Using Ontology and Graph Theory. In: EG-ICE. TUM, 2012 mehr…

2011

  • Langenhan, C.; Hass, S.; Weber, M.; Petzold, F.; Liwicki, M.; Dengel, A.: Investigating research strategies for accessing knowledge stored in semantic models. In: eCAADe: Proceedings of the. -, 2011 mehr…
  • Langenhan, C.; Weber, M.; Liwicki, M.; Petzold, F.; Dengel, A.: Sketch-based Methods for Researching Building Layouts through the Semantic Fingerprint of Architecture. In: CAAD Futures: Proceedings of the. -, 2011 mehr…
  • Weber, M.; Langenhan, C.; Roth-Berghofer, T.; Liwicki, M.; Dengel, A.; Petzold, F.: Fast Subgraph Isomorphism Detection for Graph-Based Retrieval. In: International Conference on Case Based Reasoning. -, 2011 mehr…

2010

  • Langenhan, C., Petzold, F.: THE FINGERPRINT OF ARCHITECTURE: SKETCH-BASED DESIGN METHODS FOR RESEARCHING BUILDING LAYOUTS THROUGH THE SEMANTIC FINGERPRINTING OF FLOOR PLANS. ARCHITECTURE AND MODERN INFORMATION TECHNOLOGIES 4 (13) 2010, 2010 mehr…
  • Weber M., Langenhan C., Roth-Berghofer T., Liwicki M., Dengel A., Petzold F: a.SCatch: Semantic Structure for Architectural Floor Plan Retrieval. International Conference on Case-Based Reasoning (ICCBR-2010), Springer Verlag, Heidelberg, 7/2010., 2010, 510-524 mehr…