Journal Publications

  • Said Fahri Altindis, Adil Meric, Yusuf Dalva, Uğur Güdükbay, Aysegul Dundar, "Refining 3D Human Texture Estimation From a Single Image", IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 46, No. 2, pp. 11464-11475, December 2024. (pdf copy).

  • Sinan Sonlu, Halil Özgür Demir, Uğur Güdükbay, "Personality Expression using Co-speech Gesture", ACM Transactions on Applied Perception, Vol. 22, No. 2, Article No. 7, 20 pages, November 2024. (pdf copy), (Appendix), (Supplementary Video).

  • Ecenur Oğuz, Yalım Doğan, Uğur Güdükbay, Oya Karaşan, Mustafa Pınar, "Point Cloud Registration with Quantile Assignment", Machine Vision and Applications, Vol. 35, No. 3, Article No. 38, 17 pages, May 2024. (pdf copy).

  • Ziya Erkoç, Uğur Güdükbay, Hang Si, "Memory-efficient Boundary-preserving Tetrahedralization of Large Three-dimensional Meshes", Engineering with Computers, Vol. 40, No. 2, pp. 867-883, April 2024. (pdf copy).

  • Ayda Yurtoğlu, Sinan Sonlu, Yalım Doğan, Uğur Güdükbay, "Personality Perception in Human Videos Altered by Motion Transfer Networks", Computers & Graphics, Vol. 119, Article No. 103886, 11 pages, April 2024. (pdf copy), (Supplementary Video).

  • Jonathan Sarton, Stefan Zellmann, Serkan Demirci, Uğur Güdükbay, Welcome Alexandre-Barff, Laurent Lucas, Jean-Michel Dischler, Stefan Wesner, and Ingo Wald, "State-of-the-art in Large-Scale Volume Visualization Beyond Structured Data", Computer Graphics Forum, Vol. 42, No. 3, pp. 491-515, June 2023. The Eurographics Association and John Wiley & Sons Ltd., 2023. Work Presented at EuroVis 2023 - 25th EuroGraphics Conference on Visualization, Leipzig, Germany, 12-16 June 2023. (pdf copy), (Presentation). (Presentation Video).

  • Hamila Mailee, Sinan Sonlu, Uğur Güdükbay, "Personality Expression in Cartoon Animal Characters Using Sasang Typology", Computer Animation and Virtual Worlds, Vol. 34, Nos. 3-4, Article No. e2164, 14 pages, May/August 2023. Work Presented at 36th International Conference on Computer Animation and Social Agents (CASA 2023), Limassol, Cyprus (Hybrid), 29-31 May 2023. (pdf copy), (Supplementary Video). (CASA 2023 Presentation Video).

  • Nate Morrical, Alper Sahistan, Uğur Güdükbay, Ingo Wald, Valerio Pascucci, "Quick Clusters: A GPU-Parallel Partitioning for Efficient Path Tracing of Unstructured Volumetric Grids", IEEE Transactions on Visualization and Computer Graphics, Vol. 29, No. 1, pp. 537-547, 1 January 2023. The work was presented in IEEE VIS: Visualization & Visual Analytics 2022, Oklahoma City, USA (Hybrid), 16-21 October 2022. Received Best Paper Award (Honorable Mention) in IEEE VIS 2022 Conference. (pdf copy), (Presentation video), (Fast Forward Preview).

  • Aytek Aman, Serkan Demirci, Uğur Güdükbay, "Compact Tetrahedralization-based Acceleration Structures for Ray Tracing", Journal of Visualization, Vol. 25, No. 5, pp. 1103–1115, October 2022. (pdf copy), (Supplementary_Material).

  • Aytek Aman, Serkan Demirci, Uğur Güdükbay, Ingo Wald, "Multi-level Tetrahedralization-based Accelerator for Ray-tracing Animated Scenes", Computer Animation and Virtual Worlds, Vol. 32, Nos. 3-4, Article No. e2024, 10 pages, June/July 2021. Work Presented at 34th International Conference on Computer Animation and Social Agents (CASA 2021), Online from Ottawa, Canada, 15-17 July 2021. (pdf copy), (Appendix), (Supplementary Video). (CASA 2021 Presentation Video).

  • Süleyman Aslan, Uğur Güdükbay, Hamdi Dibeklioğlu, "Multimodal Assessment of Apparent Personality Using Feature Attention and Error Consistency Constraint", Image and Vision Computing, Vol. 110, Article No. 104163, 9 pages, June 2021. (pdf copy).

  • Yalım Doğan, Sinan Sonlu, Uğur Güdükbay, "An Augmented Crowd Simulation System Using Automatic Determination of Navigable Areas", Computers & Graphics, Vol. 95, pp. 141–155, February 2021. (pdf copy), (Supplementary Video).

  • Sinan Sonlu, Uğur Güdükbay, Funda Durupinar, "A Conversational Agent Framework with Multi-Modal Personality Expression", ACM Transactions on Graphics, Vol. 40, No. 1, Article No. 7, 16~pages, Association for Computing Machinery, New York, NY, USA, January 2021. (pdf copy), (Electronic Appendix), (Supplementary Video).

  • Mehmet Faruk Ongun, Uğur Güdükbay, Selim Aksoy, "Recognition of Occupational Therapy Exercises and Detection of Compensation Mistakes for Cerebral Palsy", Journal of Visual Communication and Image Representation, Vol. 73, Article No. 102970, 10 Pages, November 2020. (pdf copy),

  • Yalım Doğan, Serkan Demirci, Uğur Güdükbay, Hamdi Dibeklioğlu, "Augmentation of Virtual Agents in Real Crowd Videos", Signal, Image and Video Processing, In Press. (pdf copy), (Electronic Appendix), (Supplementary Video).

  • Umut Ağıl, Uğur Güdükbay, "A Group-based Approach for Gaze Behavior of Virtual Crowds Incorporating Personalities", Computer Animation & Virtual Worlds, Vol. 29, No. 5, Article No. e1806, 26 pages, September/October 2018. (pdf copy), (Supplementary Video), (Gaze Simulation Survey).

  • Ahmet Eren Başak, Uğur Güdükbay, Funda Durupınar, "Using Real Life Incidents for Creating Realistic Virtual Crowds with Data-driven Emotion Contagion", Computers & Graphics, Vol. 72, pp. 70–81, May 2018. (pdf copy), (Supplementary Video).

  • Kurtuluş Küllü, Uğur Güdükbay, Dinesh Manocha, "ACMICS: An Agent Communication Model for Interacting Crowd Simulation", Autonomous Agents and Multi-Agent Systems, Vol. 31, No. 6, pp. 1403–1423, November 2017. (pdf copy), (Supplementary Video).

  • Sharareh Alipour, Mohammad Ghodsi, Uğur Güdükbay, Morteza Golkari, "Approximation Algorithms for Visibility Computation and Testing Over a Terrain", Applied Geomatics, Vol. 9, No. 1, pp. 53-59, March 2017. (pdf copy).

  • Hasan Balcı, Uğur Güdükbay, "Sun Position Estimation and Tracking for Virtual Object Placement in Time-lapse Videos", Signal, Image and Video Processing, Vol. 11, No. 5, pp. 817–824, July 2017. (pdf copy), (Electronic Appendix), (Supplementary Video).

  • Funda Durupınar, Uğur Güdükbay, Aytek Aman, Norman I. Badler, "Psychological Parameters for Crowd Simulation: From Audiences to Mobs", IEEE Transactions on Visualization and Computer Graphics, Vol. 22, No. 9, pp. 2145-2159, September 2016. Work presented at The ACM SIGGRAPH / Eurographics Symposium on Computer Animation (SCA'16), Zurich, Switzerland, 11-13 July 2016. (pdf copy), (supplemental video).

  • Nurettin Çağrı Kılıboz and Uğur Güdükbay, "A Hand Gesture Recognition Technique for Human-Computer Interaction", Journal of Visual Communication and Image Representation, Vol. 28, pp. 97-104, April 2015. (pdf copy), (supplemental video 1: Gesture Recognition), (supplemental video 2: Model Deformation).

  • Uğur Güdükbay, Serkan Bayraktar, Çetin Koca, and Bülent Özgüç "Particle-based Simulation of the Interaction Between Fluid and Knitwear", Signal, Image and Video Processing, 8(3):415–422, 2014. (pdf). (Supplemental Video 1), (Supplemental Video 2).

  • Umut Gültepe and Uğur Güdükbay. "Real-time Virtual Fitting with Body Measurement and Motion Smoothing", Computers & Graphics, 43:31–43, October 2014. Work presented at Shape Modeling International 2015 (SMI'2015), Lille, France, 24-26 June 2015. (pdf copy), (supplementary video).

  • Çetin Koca and Uğur Güdükbay. "A Hybrid Representation for Modeling, Interactive Editing, and Real-time Visualization of Terrains with Volumetric Features.", International Journal of Geographical Information Science, 28(9):1821–1847, 2014. (pdf). (supplementary material). (supplemental video 1: Terrain Editing), (supplemental video 2: Terrain Walkthrough).

  • Erhan Okuyan, Uğur Güdükbay. "BilKristal 2.0: A Tool for Pattern Information Extraction from Crystal Structures", Computer Physics Communications, 185(1):442–443, 2014. (pdf).

  • Erhan Okuyan, Uğur Güdükbay. "Direct Volume Rendering of Unstructured Tetrahedral Meshes Using CUDA and OpenMP", The Journal of Supercomputing, 67(2):324–344, 2014. (pdf).

  • Erhan Okuyan, Uğur Güdükbay, Ceyhun Bulutay, and Karl-Heinz Heinig. "MaterialVis: Material Visualization Tool Using Direct Volume and Surface Rendering Techniques.", Journal of Molecular Graphics and Modelling, 50(2):50–60, May 2014. (pdf).

  • Uğur Güdükbay, İbrahim Demir, Yiğithan Dedeoğlu "Motion Capture and Human Pose Reconstruction from a Single-view Video Sequence", Digital Signal Processing, Vol. 23, No. 5, pp. 1441-1450, September 2013. (pdf). (Dancing Video), (Walking Video).

  • Ateş Akaydın, Uğur Güdükbay, "Adaptive Grids: An Image-based Approach to Generate Navigation Meshes", Optical Engineering, Vol. 52, No. 2, Article No. 027002, 12 pages, February 2013. (pdf).

  • Oğuzcan Oğuz, Funda Durupınar, Uğur Güdükbay, "Dynamic Point-Region Quadtrees for Particle Simulations", Information Sciences, Vol. 218, No. 2, pp. 133-145, 1 January 2013 (pdf).

  • Erhan Okuyan, Uğur Güdükbay, and Veysi İşler, "Dynamic View-dependent Visualization of Unstructured Tetrahedral Volumetric Meshes", Journal of Visualization, Vol. 15, No. 2, pp. 167-178, May 2012. (pdf). (Videos).

  • Funda Durupınar, Nuria Pelechano, Jan Allbeck, Uğur Güdükbay, Norman Badler, "How the Ocean Personality Model Affects the Perception of Crowds", IEEE Computer Graphics and Applications, Vol. 31, No. 3, pp. 22-31, May/June 2011. (pdf).

  • Oğuzcan Oğuz, Ateş Akaydın, Türker Yılmaz, Uğur Güdükbay, "Emergency Crowd Simulation for Outdoor Environments", Computers & Graphics, Vol. 34, No. 2, pp. 136-144, April 2010. (pdf), (Video).

  • Funda Durupınar, Uğur Güdükbay, "Visualization of crowd synchronization on footbridges", Journal of Visualization, Vol. 13., No. 1, pp. 69-77, February 2010. (pdf), (Video).

  • Evren İmre, A. Aydın Alatan, Uğur Güdükbay, "Rate-Distortion Efficient Piecewise Planar 3-D Scene Representation From 2-D Images", IEEE Transactions on Image Processing, Vol. 18, No. 3, pp. 483-494, March 2009. (pdf).

  • Türker Yılmaz, Uğur Güdükbay, "Stereoscopic Urban Visualization Based on Graphics Processor Unit", Optical Engineering, Vol. 47, No. 9, Article No. 097005, 10 pages, September 2008. (pdf).

  • Funda Durupınar and Uğur Güdükbay, "Procedural Visualization of Knitwear and Woven Cloth", Computers & Graphics, Vol. 31, No. 5, pp. 778-783, October 2007. (pdf).

  • Türker Yılmaz and Uğur Güdükbay, "Conservative Occlusion Culling for Urban Visualization Using a Slice-wise Data Structure", Graphical Models, Vol. 69, Issues 3-4, pp. 191-210, May-July 2007. (pdf).

  • Uğur Güdükbay and Türker Yılmaz, "Stereoscopic View-dependent Visualization of Terrain Height Fields," IEEE Transactions on Visualization and Computer Graphics, Vol. 8, No. 4, pp. 330-345, 2002. (pdf).

  • Uğur Güdükbay, "A Movable Jaw Model for the Human Face," Computers & Graphics, Elsevier Science Ltd., Vol. 21, No. 5, pp. 549-554 (November 1997). (pdf), (Color Version), (Presentation), (Animation of Eating Behavior).

Publications