All publications - prof. Ing. Vlastimil Havran, Ph.D.

2023

• Computer Vision, Imaging and Computer Graphics Theory and Applications, 16th International Joint Conference, VISIGRAPP 2021, Virtual Event

  Augusto de Sousa, A. ed. - Havran, V. ed. - Paljic, A. ed. - Peck, T. ed. - Hurter, Ch. ed. - Purchase, H. ed. - Farinella, G.M. ed. - Radeva, P. ed., - Bouatouch, K. ed.

  Wien, 2021-02-08/2021-02-10. Basel: Springer Nature Switzerland AG, 2023. Communications in Computer and Information Science. vol. 1691. ISSN 1865-0937. ISBN 978-3-031-25476-5.

• Different view on diffraction-limited imaging optics design

  Němcová, Š. - Havran, V., - Hošek, J.

  Journal of the Optical Society of America A. 2023, 40(1), 149-154. ISSN 1520-8532.

2022

• Fast Ray Tracing of Trimmed NURBS Surfaces on a GPU for Industrial Applications

  Havran, V. - Sloup, J.

  In: GTC Digital Spring. NVIDIA, 2022.

• Portable device for measuring the geometry of an object and its spatially varying surface reflectance on site

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  Japan. Patent Application JP,7050781,B. 2022-03-31.

2021

• Portable device for measuring the geometry of an object and its spatially varying surface reflectance on site

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  Korea (the Republic of). Patent Application 1022178280000. 2021-02-15.

• Foreword

  Augusto Sousa, A. - Havran, V. - Braz, J., - Bouatouch, K.

  In: PROCEEDINGS OF THE 16TH INTERNATIONAL JOINT CONFERENCE ON COMPUTER VISION, IMAGING AND COMPUTER GRAPHICS THEORY AND APPLICATIONS - VOL. 1: GRAPP. Madeira: SciTePress, 2021. p. IX-X. vol. 1. ISSN 2184-4321. ISBN 978-989-758-488-6.

• PROCEEDINGS OF THE 16TH INTERNATIONAL JOINT CONFERENCE ON COMPUTER VISION, IMAGING AND COMPUTER GRAPHICS THEORY AND APPLICATIONS - VOL. 1: GRAPP

  Augusto de Sousa, A. ed. - Havran, V. ed. - Braz, J. ed., - Bouatouch, K. ed.

  Wien, 2021-02-08/2021-02-10. Madeira: SciTePress, 2021. vol. 1. ISSN 2184-4321. ISBN 978-989-758-488-6.

• Optimizing Ray Tracing of Trimmed NURBS Surfaces on the GPU

  Sloup, J. - Havran, V.

  COMPUTER GRAPHICS FORUM. 2021, 40(7), 161-172. ISSN 1467-8659.

2020

• Portable device for measuring the geometry of an object and its spatially varying surface reflectance on site

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  United Kingdom of Great Britain and Northern Ireland. Patent Application EP3548873. 2020-02-12.

• DISPOSITIF PORTABLE DE MESURE DE LA GÉOMÉTRIE D'UN OBJET ET DE SA RÉFLECTANCE DE SURFACE VARIANT SPATIALEMENT SUR SITE

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  France. Patent Application EP3548873. 2020-02-12.

• TRAGBARE VORRICHTUNG ZUR VOR-ORT-MESSUNG DER GEOMETRIE EINES OBJEKTS UND DESSEN RÄUMLICH VARIIERENDER OBERFLÄCHENREFLEKTANZ

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  Germany. Patent Application DE602017011794.3. 2020-02-12.

• PORTABLE DEVICE FOR MEASURING THE GEOMETRY OF AN OBJECT AND ITS SPATIALLY VARYING SURFACE REFLECTANCE ON SITE

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  European Patent Office. Patent EP3548873. 2020-02-12.

• Portable device for measuring the geometry of an object and its spatially varying surface reflectance on site

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  United States of America. Patent US10764482. 2020-09-01.

• Method and apparatus for rendering using locations and sizes of primitives

  Havran, V. - Vinkler, M. - Bittner, J., - Lee, W.

  United States of America. Patent US10580193. 2020-03-03.

2019

• Optimal Deterministic Mixture Sampling

  Sbert, M. - Havran, V., - Szirmay-Kalos, L.

  In: Eurographics 2019 - Short Papers. Aire-la-Ville: Eurographics Association, 2019. p. 73-76. ISSN 1017-4656.

• Increasing the Spatial Resolution of BTF Measurement with Scheimpflug Imaging

  Havran, V. - Hošek, J. - Němcová, Š., - Čáp, J.

  COMPUTER GRAPHICS FORUM. 2019, 38(1), 592-609. ISSN 0167-7055.

• Alignment issues for any sample direction BTF measurement

  Hošek, J. - Havran, V. - Čáp, J., - Němcová, Š.

  In: Proceedings of the Regional Helix’18 Conference. Springer Nature, 2019. p. 487-493. Lecture Notes in Electrical Engineering. vol. 505. ISSN 1876-1100. ISBN 978-3-319-91333-9.

2018

• Laser Imaging Approach for Portable BTF Measurement System Automatic Alignment

  Hošek, J. - Havran, V. - Němcová, Š., - Čáp, J.

  International Journal of Mechatronics and Applied Mechanics. 2018, 2(4), 232-237. ISSN 2559-4397.

• On the Advancement of BTF Measurement on Site

  Havran, V. - Hošek, J. - Němcová, Š., - Čáp, J.

  In: MAM2018 - Workshop on Material Appearance Modeling. Aire-la-Ville: Eurographics Association, 2018. ISSN 2309-5059. ISBN 978-3-03868-055-0.

• Multiple importance sampling characterization by weighted mean invariance

  Sbert, M. - Havran, V. - Szirmay-Kalos, L., - Elvira, V.

  The Visual Computer. 2018, 34(6-8), 843-852. ISSN 0178-2789.

• Přenosné zařízení pro měření geometrie objektu a prostorově proměnné funkce odrazivosti na povrchu vzorku s multiplikací prvků podílejících se na zobrazování a snímacích systémů na pohyblivých ramenech umožňující terénní měření

  Havran, V. - Hošek, J. - Bittner, J. - Němcová, Š., - Čáp, J.

  Czechia. Patent CZ 2016752. 2018-02-14.

• Multiple importance sampling revisited: breaking the bounds

  Sbert, M. - Havran, V., - Szirmay-Kalos, L.

  EURASIP Journal on Advances in Signal Processing. 2018, 2018(1), 7373-7384. ISSN 1687-6180.

2017

• Research report for 8301743C000 Škoda auto M.B. project

  Havran, V.

  [Research Report] 2017.

• Lightdrum: Portable Surface-Reflectance Measurement Onsite

  Havran, V. - Hošek, J. - Němcová, Š. - Čáp, J., - Bittner, J.

  In: Special Interest Group on Computer Graphics and Interactive Techniques Conference, {SIGGRAPH} '17, Los Angeles, CA, USA, July 30 - August 03, 2017, Posters Proceedings. New York: ACM, 2017. p. 80:1-80:2. ISBN 978-1-4503-5015-0.

• Návrh a realizace přenosného zařízení pro měření BTF povrchů

  Hošek, J. - Havran, V. - Čáp, J. - Němcová, Š., - Bittner, J.

  Jemná mechanika a optika. 2017, 62(6-7), 180-184. ISSN 0447-6441.

• Extended Morton Codes for High Performance Bounding Volume Hierarchy Construction

  Vinkler, M. - Bittner, J., - Havran, V.

  In: Proceedings of High Performance Graphics 2017. New York: ACM, 2017. p. 9:1-9:8. ISBN 978-1-4503-5101-0.

• Optomechanical design of rotary kaleidoscope for bidirectional texture function acquisition

  Čáp, J. - Hošek, J. - Havran, V. - Němcová, Š., - Macúchová, K.

  Applied Optics. 2017, 56(26), 7373-7384. ISSN 1559-128X.

• Adaptive multiple importance sampling for general functions

  Sbert, M. - Havran, V.

  The Visual Computer. 2017, 33(6-8), 845-855. ISSN 0178-2789.

• Lightdrum-Portable Light Stage for Accurate BTF Measurement on Site

  Havran, V. - Hošek, J. - Němcová, Š. - Čáp, J., - Bittner, J.

  Sensors - Open Access Journal. 2017, 17(3), 1-57. ISSN 1424-8220.

• Optomechanical design of a portable compact bidirectional texture function measurement instrument

  Hošek, J. - Havran, V. - Němcová, Š. - Bittner, J., - Čáp, J.

  Applied Optics. 2017, 56(4), 1183-1193. ISSN 1559-128X.

2016

• Compensating for color artifacts in the design of technical kaleidoscopes

  Němcová, Š. - Havran, V. - Čáp, J. - Hošek, J., - Bittner, J.

  Optical Engineering. 2016, 55(11), ISSN 0091-3286.

• Geometric calibration of rotational kaleidoscopic instrument

  Havran, V. - Němcová, Š. - Čáp, J. - Hošek, J. - Bittner, J., - Macúchová, K.

  In: Proc. of SPIE Vol. 10151, Optics and Measurement International Conference 2016. Baltimore: SPIE, 2016. ISSN 0277-786X. ISBN 978-1-5106-0754-5.

• Performance Comparison of Bounding Volume Hierarchies and Kd-Trees for GPU Ray Tracing

  Vinkler, M. - Havran, V., - Bittner, J.

  COMPUTER GRAPHICS FORUM. 2016, 35(8), 68-79. ISSN 0167-7055.

• Gaze Analysis of BRDF Distortions

  Filip, J. - Havran, V., - Myszkowski, K.

  In: MAM2016: Eurographics Workshop on Material Appearance Modeling. Aire-la-Ville: Eurographics Association, 2016. ISSN 2309-5059. ISBN 978-3-03868-007-9.

• Practical Experiences from Using Autocollimator for Surface Reflectance Measurement

  Havran, V.

  In: MAM2016: Eurographics Workshop on Material Appearance Modeling. Aire-la-Ville: Eurographics Association, 2016. ISSN 2309-5059. ISBN 978-3-03868-007-9.

• Compensating for colour artefacts in the design of technical kaleidoscopes

  Němcová, Š. - Havran, V. - Čáp, J. - Hošek, J., - Bittner, J.

  In: Proceedings of SPIE - The International Society for Optical Engineering. Bellingham (stát Washington): SPIE, 2016. SPIE. vol. 9896. ISSN 1996-756X. ISBN 978-1-5106-0141-3.

• Variance Analysis of Multi-sample and One-sample Multiple Importance Sampling

  Sbert, M. - Havran, V., - Szirmay-Kalos, L.

  COMPUTER GRAPHICS FORUM. 2016, 35(7), 451-460. ISSN 0167-7055.

• Parallel On-Demand Hierarchy Construction on Contemporary GPUs

  Vinkler, M. - Havran, V. - Bittner, J., - Sochor, J.

  IEEE Transactions on Visualization and Computer Graphics. 2016, 22(7), 1886-1898. ISSN 1077-2626.

• Perceptually Motivated BRDF Comparison using Single Image

  Havran, V. - Filip, J., - Myszkowski, K.

  COMPUTER GRAPHICS FORUM. 2016, 35(4), 1-12. ISSN 0167-7055.

2015

• Softwarová simulace návrhu a optimalizace kaleidoskopu pro měření odrazivosti povrchu

  Havran, V. - Bittner, J. - Čáp, J. - Hošek, J. - Macúchová, K., - Němcová, Š.

  Jemná mechanika a optika. 2015, 60(2), 70-72. ISSN 0447-6441.

• D1.5 - Final Report for Project MEROPA

  Havran, V.

  [Research Report] Praha: České vysoké učení technické v Praze, Fakulta elektrotechnická, 2015. Report no. CS-TR-DCGI-INTERNAL-2015-3. ISSN 1805-6180.

• Realisation of Circular Motion for Portable BTF Measurement Instrument

  Hošek, J. - Havran, V. - Čáp, J. - Němcová, Š. - Macúchová, K. - Bittner, J., - Zicha, J.

  Romanian Review Precision Mechanics, Optics & Mecatronics. 2015, 48(2), 252-255. ISSN 1584-5982.

• Přenosné zařízení pro BTF měření

  Hošek, J. - Čáp, J. - Havran, V. - Němcová, Š. - Bittner, J. - Macúchová, K., - Zicha, J.

  In: Sborník odborného semináře Nové metody a postupy v oblasti přístrojové techniky, automatického řízení a informatiky 2015. Praha: Ústav přístrojové a řídicí techniky FS ČVUT, 2015. pp. 17-19. ISBN 978-80-01-05758-2.

• Optimizing of functional design parameters of kaleidoscopes

  Čáp, J. - Havran, V. - Bittner, J. - Hošek, J. - Macúchová, K., - Němcová, Š.

  In: Proc. SPIE 9450, Photonics, Devices, and Systems VI. Bellingham: SPIE, 2015. Proceedings of SPIE. ISSN 0277-786X. ISBN 978-1-62841-566-7.

• Software simulator for design and optimization of the kaleidoscopes for the surface reflectance measurement

  Havran, V. - Bittner, J. - Čáp, J. - Hošek, J. - Macúchová, K., - Němcová, Š.

  In: Proceedings of SPIE Vol. 9442. Bellingham (stát Washington): SPIE, 2015. Proceedings of SPIE. ISSN 0277-786X. ISBN 978-1-62841-557-5.

• Geometric Accuracy Analysis of Stationary BTF Gonioreflectometers

  Havran, V.

  In: Proceedings of Workshop on Material Appearance Modeling 2015. Aire-la-Ville: Eurographics Association, 2015. ISSN 2309-5059. ISBN 978-3-905674-83-5.

• Register Efficient Dynamic Memory Allocator for GPUs

  Vinkler, M. - Havran, V.

  COMPUTER GRAPHICS FORUM. 2015, 34(8), 143-154. ISSN 0167-7055.

• Surface Reflectance Characterization by Statistical Tools

  Havran, V. - Sbert, M.

  In: Proceedings of Spring Conference on Computer Graphics 2015. Bratislava: Comenius University Bratislava, 2015. p. 39-46. ISBN 978-80-223-3844-8.

• Extensions to bidirectional texture function compression with multi-level vector quantization in OpenCL

  Havran, V. - Egert, P.

  Computers & Graphics. 2015, 48 1-10. ISSN 0097-8493.

• Light Chisel: 6DOF Pen Tracking

  Bubník, V. - Havran, V.

  Computer Graphics Forum. 2015, 34(2), 325-336. ISSN 0167-7055.

• Incremental BVH construction for ray tracing

  Bittner, J. - Hapala, M., - Havran, V.

  Computers & Graphics. 2015, 47 135-144. ISSN 0097-8493.

2014

• Simple kaleidoscope design for reflectance measurement

  Němcová, Š. - Čáp, J. - Hošek, J. - Macúchová, K. - Bittner, J., - Havran, V.

  Romanian Review Precision Mechanics, Optics & Mecatronics. 2014, 45(2), 109-113. ISSN 1584-5982.

• D1.3 and D1.4 - Deliverable Report for Project MEROPA

  Havran, V.

  [Research Report] 2014. Report no. CS-TR-DCGI-INTERNAL-2015-001. ISSN 1805-6180.

• Optimal Combination of Techniques in Multiple Importance Sampling

  Havran, V. - Sbert, M.

  In: Proceedings of VRCAI 2014 conference. New York: ACM SIGGRAPH, 2014. p. 141-150. ISBN 978-1-4503-3254-5.

• Optimal Combination of Techniques in Multiple Importance Sampling

  Havran, V. - Sbert, M.

  [Technical Report] 2014. Report no. CS-TR-DCGI-2014-002. ISSN 1805-6180.

• Statistical Characterization of Surface Reflectance

  Havran, V. - Sbert, Mateu

  In: Workshop on Material Appearance Modeling: Issues and Acquisition 2014. Aire-la-Ville: Eurographics Association, 2014. pp. 15-18. Eurographics workshops and symposia. ISSN 2309-5059. ISBN 978-3-905674-64-4.

• Parallel BTF Compression with Multi-Level Vector Quantization in OpenCL

  Egert, P. - Havran, V.

  In: Proceedings of Pacific Graphics 2014. Aire-la-Ville: Eurographics Association, 2014. p. 131-134. ISBN 978-3-905674-73-6.

• Register Efficient Memory Allocator for GPUs

  Vinkler, Marek - Havran, V.

  In: High-Performance Graphics 2014. Lyon: Eurographics Association, 2014. p. 19-27. ISSN 2079-8679. ISBN 978-3-905674-60-6.

• Bounding Volume Hierarchies versus Kd-trees on Contemporary Many-Core Architectures

  Vinkler, Marek - Havran, V., - Bittner, J.

  In: 30th Spring conference on Computer Graphics. Bratislava: Comenius University, 2014. p. 29-36. ISBN 978-80-223-3601-7.

• Efficient Sorting and Searching in Rendering Algorithms

  Havran, V. - Bittner, J.

  In: Eurographics 2014 - tutorials. Lyon: Eurographics Association, 2014. ISSN 1017-4656.

2013

• Efficient Stack-less BVH Traversal for Ray Tracing

  Hapala, M. - Davidovič, T. - Wald, I. - Havran, V., - Slusallek, P.

  In: Proceedings of the 27th Spring Conference on Computer Graphics. New York: ACM, 2013. pp. 7-12. ISBN 978-1-4503-1978-2.

• Massively Parallel Hierarchical Scene Processing with Applications in Rendering

  Vinkler, Marek - Bittner, J. - Havran, V., - Hapala, M.

  COMPUTER GRAPHICS FORUM. 2013, 32(8), 13-25. ISSN 0167-7055.

• Průvodce doktorským studiem pro informatické obory na ČVUT

  Havran, V.

  Praha: Karolinum, 2013. ISBN 978-80-01-05263-1.

• Multiple Live Video Environment Sampling

  Nikodým, T. - Havran, V., - Bittner, J.

  Journal of WSCG. 2013, 21(2), 127-136. ISSN 1213-6972.

• BRDF Slices: Accurate Adaptive Anisotropic Appearance Acquisition

  Filip, Jiri - Vavra, Radomir - Haindl, Michal - Zid, Pavel - Krupicka, Mikulas, - Havran, V.

  In: CVPR: 2013 IEEE Computer Society Conference on Computer Vision and Pattern Recognition. Los Alamitos: IEEE Computer Society Press, 2013. p. 1468-1473. ISSN 1063-6919.

• Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps

  Barák, T. - Bittner, J., - Havran, V.

  COMPUTER GRAPHICS FORUM. 2013, 32(4), 87-96. ISSN 0167-7055.

• Fast Insertion-Based Optimization of Bounding Volume Hierarchies

  Bittner, J. - Hapala, M., - Havran, V.

  COMPUTER GRAPHICS FORUM. 2013, 32(1), 85-100. ISSN 0167-7055.

2012

• Massively Parallel Hierarchical Scene Sorting with Applications in Rendering

  Vinkler, M. - Hapala, M. - Bittner, J., - Havran, V.

  [Technical Report] 2012. Report no. CS-TR-DCGI-2012-1. ISSN 1805-6180.

• Visibility Driven BVH Build Up Algorithm for Ray Tracing

  Vinkler, M. - Havran, V., - Sochor, J.

  Computers & Graphics. 2012, 36(4), 283-296. ISSN 0097-8493.

2011

• How to Write a Technical Report at the DCGI, FEE, Czech Technical University in Prague, CZ

  Havran, V. - Bittner, J. - Slavík, P., - Žára, J.

  [Technical Report] 2011. Report no. CS-TR-DCGI-2011-1. ISSN 1805-6180.

• Efficient Stack-less Traversal Algorithm for Ray Tracing with BVH

  Hapala, M. - Davidovic, T. - Wald, I. - Havran, V., - Slusallek, P.

  In: SCCG 2011 - 27th Spring conference on Computer Graphics. Bratislava: Comenius University, 2011. pp. 29-34. ISBN 978-80-223-3018-3.

• When it is More Efficient to Use Uniform Grids for Ray Tracing

  Hapala, M. - Karlík, O., - Havran, V.

  In: Workshop 2011,CTU Student Grant Competition in 2010 (SGS 2010). Praha: ČVTVS, 2011. pp. 1-3.

• When It Makes Sense to Use Uniform Grids for Ray Tracing

  Hapala, M. - Karlík, O., - Havran, V.

  In: WSCG'2011 - 19-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision'2011, Communication Papers. Plzeň: UNION Agency - Science Press, 2011, pp. 193-200. ISBN 978-80-86943-82-4. Available from: http://wscg.zcu.cz/WSCG2011/!_2011_WSCG-Short_Papers.pdf

• Review: Kd-tree Traversal Algorithms for Ray Tracing

  Hapala, M. - Havran, V.

  Computer Graphics Forum. 2011, 30(1), 199-213. ISSN 0167-7055.

• Path Regeneration for Random Walks

  Novák, J. - Havran, V., - Dachsbacher, C.

  In: GPU Computing Gems, Emerald Edition. San Francisco: Morgan Kaufmann Publishers, 2011. p. 401-412. Emerald Edition. ISBN 978-0-12-384988-5.

2010

• Interactive Ray Tracing of Distance Fields

  Jamriška, O. - Havran, V.

  In: Proceedings of the 14th Central European Seminar on Computer Graphics. Vienna: Impressum, 2010. p. 91-98. ISBN 978-3-9502533-2-0.

• Efficient Searching Algorithms in Image Synthesis

  Havran, V.

  Praha: Defense date 2011-04-06. Associate Professor Thesis. Czech Technical University in Prague.

• Path Regeneration for Interactive Path Tracing

  Novák, J. - Havran, V., - Dachsbacher, C.

  In: Eurographics 2010 Short Papers. Aire-la-Ville: Eurographics Association, 2010. p. 61-64.

• Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization

  Havran, V. - Filip, J., - Myszkowski, K.

  Computer Graphics Forum. 2010, 29(1), 175-190. ISSN 0167-7055.

• Ray Tracing on a GPU with CUDA - Comparative Study of Three Algorithms

  Zlatuška, M. - Havran, V.

  In: WSCG2010 Communication Papers Proceedings. Pilsen: University of West Bohemia, 2010. pp. 69-75. ISBN 978-80-86943-87-9.

• Ultrazvukový systém sledování polohy

  Havran, V. - Vaňát, T.

  [Functional Sample] 2010.

2009

• MPI Informatics Building Model as Data for Your Research

  Havran, V. - Zajac, J. - Drahokoupil, J., - Seidel, H.-P.

  [Research Report] Saarbrücken: Max-Planck-Institut für Informatik, 2009. Report no. 2009-04-008.

• Kalibrační 3D kostka pro použití v zobrazovacích systémech rozšířené reality

  Havran, V.

  [Functional Sample] 2009.

• Interakční světelné pero pro rozšířenou realitu - třetí verze

  Havran, V.

  [Functional Sample] 2009.

• Interakční světelné pero pro rozšířenou realitu s pěti tlačítky - druhá verze

  Havran, V.

  [Functional Sample] 2009.

• Kompaktni stolová verze systému pro rozšířenou realitu

  Havran, V.

  [Functional Sample] 2009.

• RDH: Ray Distribution Heuristics for Construction of Spatial Data Structures.

  Bittner, J. - Havran, V.

  In: Proceedings of Spring Conference on Computer Graphics 2009.. Bratislava: Univerzita Komenského, 2009. pp. 61-67. ISBN 978-80-223-2644-5.

• CAVE to CAVE: Communication in Distributed Virtual Environment

  Berka, R. - Trávníček, Z. - Havran, V. - Bittner, J. - Žára, J. - Slavík, P., - Navrátil, J.

  [Technical Report] 2009. Report no. 23/2008. ISBN 978-80-904173-4-2.

• Adaptive Global Visibility Sampling

  Bittner, J. - Mattausch, O. - Wonka, P. - Havran, V., - Wimmer, M.

  ACM Transactions on Graphics (TOG). 2009, 28(3), 94:1-94:10. ISSN 0730-0301.

2008

• Filipek 1.0

  Havran, V. - Žára, J.

  [Software] 2008.

• Interakční světelné pero pro rozšířenou realitu - první verze

  Havran, V.

  [Functional Sample] 2008.

2007

• Stackless Ray Traversal for kD-Trees with Sparse Boxes

  Havran, V. - Bittner, J.

  Computer Graphics & Geometry. 2007, 9(3), 16-30. ISSN 1811-8992.

• Global Illumination using Photon Ray Splatting

  Herzog, R. - Havran, V. - Kinuwaki, S. - Myszkowski, K., - Seidel, H.-P.

  [Research Report] Saarbrücken: Max-Planck-Institut für Informatik, 2007. Report no. MPI-I-2007-4-003.

• Global Illumination using Photon Ray Splatting

  Herzog, R. - Havran, V. - Kinuwaki, S. - Myszkowski, K., - Seidel, H.-P.

  Computer Graphics Forum. 2007, 2007(3), 503-513. ISSN 0167-7055.

• About the Relation between Spatial Subdivisions and Object Hierarchies Used in Ray Tracing

  Havran, V.

  In: Spring Conference on Computer Graphics SCCG 2007. Conference Proceedings. Bratislava: Comenius University, 2007. pp. 55-60. ISBN 978-80-223-2292-8.

• Ray Tracing with Sparse Boxes

  Havran, V. - Bittner, J.

  In: Spring Conference on Computer Graphics SCCG 2007. Conference Proceedings. Bratislava: Comenius University, 2007. pp. 49-54. ISBN 978-80-223-2292-8.

2006

• Applying Ray Tracing for Virtual Reality and Industrial Design

  Wald, I. - Dietrich, A. - Benthin, C. - Efremov, A. - Dahmen, T. - Guenther, J. - Havran, V. - Seidel, H.P., - Slusallek, P.

  In: Proceedings of IEEE Symposium on Interactive Ray Tracing 2006. USA: IEEE Computer Society, 2006. p. 177-185. ISBN 1-4244-0693-5.

• On building fast kd-trees for ray tracing, and on doing that in O(N log N)

  Wald, I. - Havran, V.

  In: Proceedings of IEEE Symposium on Interactive Ray Tracing 2006. USA: IEEE Computer Society, 2006. p. 61-70. ISBN 1-4244-0693-5.

• On the Fast Construction of Spatial Hierarchies for Ray Tracing

  Havran, V. - Herzog, W., - Seidel, H.-P.

  In: Proceedings of IEEE Symposium on Interactive Ray Tracing 2006. USA: IEEE Computer Society, 2006. p. 71-80. ISBN 1-4244-0693-5.

• On Fast Construction of Spatial Hierarchies for Ray Tracing

  Havran, V. - Seidel, H.-P., - Herzog, R.

  [Research Report] Saarbrücken: Max-Planck-Institut für Informatik, 2006. Report no. MPI-I-2006-4-004. ISSN 0946-011X.

• Efficient Sorting and Searching in Rendering Algorithms. Eurographics 2006 Tutorial T4

  Havran, V. - Bittner, J.

  In: Eurographics 2006 - Tutorials. Aire-la-Ville: Eurographics Association, 2006, pp. 325-398. ISSN 1017-4656. Available from: http://www.cgg.cvut.cz/~havran/eg2006tut/

2005

• Robust and Numerically Stable Bézier Clipping Method for Ray Tracing NURBS Surfaces

  Efremov, A. - Havran, V., - Seidel, H.-P.

  In: Proceedings of the 21st spring conference on Computer graphics. New York: ACM, 2005. p. 127-135. ISBN 1-59593-204-6.

• On Cross-Validation and Resampling of BRDF Data Measurements

  Havran, V. - Neumann, A. - Zotti, G. - Purgathofer, W., - Seidel, H.-P.

  In: Proceedings of the 21st spring conference on Computer graphics. New York: ACM, 2005. p. 161-168. ISBN 1-59593-204-6.

• Interactive System for Dynamic Scene Lighting using Captured Video Environment Maps

  Havran, V. - Smyk, M. - Krawczyk, G. - Myszkowski, K., - Seidel, H.-P.

  In: Eurographics Symposium on Rendering. Aire-la-Ville: Eurographics Association, 2005. p. 31-42. ISSN 1727-3463. ISBN 3-905673-23-1.

• Fast final gathering via reverse photon mapping

  Havran, V. - Herzog, W., - Seidel, H.-P.

  Computer Graphics Forum. 2005, 24(3), 323-333. ISSN 0167-7055.

• Ray Maps for Global Illumination

  Havran, V. - Bittner, J. - Herzog, R.H., - Seidel, H.-P.S.

  In: Eurographics Symposium on Rendering. Aire-la-Ville: Eurographics Association, 2005. p. 43-54. ISSN 1727-3463. ISBN 3-905673-23-1.

2004

• Exploiting Temporal Coherence in Global Illumination

  Tawara, T. - Myszkowski, K. - Dmitriev, K. - Havran, V. - Damez, C., - Seidel, J.-P.

  In: Spring Conference on Computer Graphics SCCG 2004 - Conference Proceedings. New York: ACM SIGGRAPH, 2004. p. 16-26. ISBN 1-58113-914-4.

• Effective Use of Procedural Shaders in Animated Scenes

  Kondratiewa, P. - Havran, V., - Seidel, H.-P.

  In: Computational Science - ICCS 2004: 4th International Conference. Berlin: Springer, 2004. p. 164-172. ISSN 0302-9743. ISBN 3-540-22129-8.

• Faster Ray Tracing with SIMD Shaft Culling

  Dmitriev, K. - Havran, V., - Seidel, H.-P.

  [Research Report] Saarbrücken: Max-Planck-Institut für Informatik, 2004. Report no. MPI-I-2004-4-006. ISSN 0946-011X.

2003

• Goniometric Diagram Mapping for Hemisphere

  Havran, V. - Dmitriev, K., - Seidel, H.-P.

  In: Eurographics 2003 Short Presentations. Aire-la-Ville: Eurographics Association, 2003. p. 293-300. ISSN 1017-4656.

• An Efficient Spatio-Temporal Architecture for Animation Rendering

  Havran, V. - Damez, C. - Myszkowski, K., - Seidel, H.-P.

  In: Proceedings of the Eurographics Symposium on Rendering. Aire-la-Ville: Eurographics Association, 2003. p. 106-117.

• A custom designed density estimation method for light transport

  Bekaert, P. - Slusallek, P. - Cools, R. - Havran, V., - Seidel, H.-P.

  [Research Report] Saarbrücken: Max-Planck-Institut für Informatik, 2003. Report no. MPI-I-2003-4-004. ISSN 0946-011X.

• On Comparing Ray Shooting Algorithms

  Havran, V. - Purgathofer, W.

  Computers & Graphics. 2003, 27(4), 593-604. ISSN 0097-8493.

• Exploiting Temporal Coherence in Ray Casted Walkthroughs

  Havran, V. - Bittner, J., - Seidel, H.-P.S.

  In: Proceedings - Spring Conference on Computer Graphics 2003. New York: ACM SIGGRAPH, 2003. p. 164-172. ISBN 1-58113-861-X.

2002

• Mailboxing, yea or nay?

  Havran, V.

  Ray Tracing News. 2002, 15(1), 1.

• On the Efficiency of Ray-shooting Acceleration Schemes

  Szirmay-Kalos, L. - Havran, V. - Balázs, B., - Szecsi, L.

  In: Spring Conference on Computer Graphics - SCCG 2002. New York: ACM, 2002. p. 89-98. ISBN 1-58113-608-0.

• On Improving Kd-Trees for Ray Shooting

  Havran, V. - Bittner, J.

  Journal of WSCG. 2002, 10(1), 209-216. ISSN 1213-6972.

2001

• Exploiting Coherence in Hierarchical Visibility Algorithms

  Bittner, J. - Havran, V.

  The Journal of Visualization and Computer Animation. 2001, 12(5), 277-286. ISSN 1099-1778.

• Heuristic Ray Shooting Algorithms

  Havran, V.

  Praha: Defense date 2001-04-20. PhD Thesis. ČVUT FEL, Katedra počítačů.

• Průvodce doktorského studia na katedře počítačů (K336)

  Havran, V.

  [Technical Report] 2001. Report no. DC-2001-08.

• Exploiting Temporal and Spatial Coherence in Hierarchical Visibility Algorithms

  Bittner, J. - Havran, V.

  In: Spring Conference on Computer Graphics SCCG 2001. Bratislava: Univerzita Komenského, 2001. pp. 213-220. ISBN 80-223-1606-7.

2000

• Statistical Comparison of Ray-Shooting Efficiency Schemes

  Havran, V. - Prikryl, J., - Purgathofer, W.

  [Research Report] Vienna: Vienna University of Technology, 2000. Report no. TR-186-2-00-14.

• Comparison methodology for ray shooting algorithms

  Havran, V. - Purgathofer, W.

  [Technical Report] 2000. Report no. TR-186-2-00-20.

• LCTS: Ray Shooting using Longest Common Traversal Sequences

  Havran, V. - Bittner, J.

  Computer Graphics Forum. 2000, 19(3), C59-C70. ISSN 0167-7055.

• VIS-RT: A Visualization System for RT Spatial Data Structures

  Havran, V. - Dachs, L., - Žára, J.

  In: WSCG'2000 - Short Communication Papers. Plzeň: Západočeská universita, 2000, pp. 28-35. ISBN 80-7082-612-6. Available from: http://www.cgg.cvut.cz/~zara/papers/HavranDachsZara-WSCG00.pdf

1999

• Best Efficiency Scheme Project Proposal

  Havran, V. - Bittner, J., - Přikryl, J.

  [Research Report] Praha: ČVUT FEL, Katedra počítačů, 1999. Report no. 1.90jp .

• Constructing Rectilinear BSP Trees for Preferred Ray Sets

  Havran, V. - Bittner, J.

  In: WSCG '99 Short Communication Papers. Plzeň: Západočeská universita, 1999, pp. 1-2. ISBN 80-7082-490-5.

• A Summary of Octree Ray Traversal Algorithms

  Havran, V.

  Ray Tracing News. 1999, 12(2), 1-10.

• Comparison of Hierarchical Grids

  Havran, V. - Sixta, F.

  Ray Tracing News. 1999, 12(1), 1-4.

• Adaptive Data Structures for Visibility Computing

  Havran, V. - Bittner, J., - Kopal, T.

  In: Proceedings of Workshop 99. Praha: České vysoké učení technické v Praze, 1999, pp. 88.

• Analysis of Cache Sensitive Representation for Binary Space Partitioning Trees

  Havran, V.

  Informatica. 1999, 23(2), 203-210. ISSN 0350-5596.

• Rectilinear BSP Trees for Preferred Ray Sets

  Havran, V. - Bittner, J.

  In: Spring Conference on Computer Graphics, SCCG'99. Bratislava: Univerzita Komenského, 1999, pp. 171-179. ISBN 80-223-1357-2.

1998

• Hierarchical Visibility Culling with Occlusion Trees

  Bittner, J. - Havran, V., - Slavík, P.

  In: Proceedings of Computer Graphics International. Los Alamitos: IEEE Computer Society Press, 1998. p. 207-219. ISBN 0-8186-8445-3.

• Ray Tracing with Rope Trees

  Havran, V. - Bittner, J., - Žára, J.

  In: Proceedings of Spring Conference on Computer Graphics. Bratislava: Univerzita Komenského, 1998. p. 130-139. ISBN 80-223-0837-4.

• View Dependent Data Structures for Ray Tracing

  Kopal, T. - Havran, V., - Žára, J.

  In: Workshop 98. Praha: České vysoké učení technické v Praze, 1998, pp. 193-194.

• Statistically Optimized Traversal Algorithm for BSP Trees

  Havran, V.

  In: Workshop 98. Praha: České vysoké učení technické v Praze, 1998, pp. 165-166.

1997

• Cache Sensitive Representation for the BSP Tree

  Havran, V.

  In: Proceedings of Compugraphics'97 conference. Oxford: Elsevier Ltd, 1997, pp. 369-376. Available from: http://www.cgg.cvut.cz/~havran/ARTICLES/compugr97.pdf

• Fast Robust BSP Tree Traversal Algorithm for Ray Tracing

  Havran, V. - Kopal, T. - Bittner, J., - Žára, J.

  Journal of Graphics Tools. 1997, 2(4), 15-23. ISSN 1086-7651.

• Evaluation of BSP Trees for Ray-Tracing

  Havran, V.

  In: Poster 1997. Praha: České vysoké učení technické v Praze, Fakulta elektrotechnická, 1997, pp. 12.

• Evaluation of BSP Properties for Ray-tracing

  Havran, V. - Žára, J.

  In: Spring Conference on Computer Graphics. Bratislava: Univerzita Komenského, 1997, pp. 155-162. ISBN 80-223-1176-6. Available from: http://www.cgg.cvut.cz/~zara/papers/HavranZara-SCCG97.pdf

• Parallel Ray-Tracer on Shared Memory Multiprocessor Machines Connected via Internet

  Havran, V.

  In: Workshop 97. Praha: České vysoké učení technické v Praze, 1997. pp. 321-322.

• Parallel Merge Sort on Shared Memory Multicomputer

  Havran, V. - Šimek, P. - Šoch, M., - Tvrdík, P.

  In: Workshop 97. Praha: České vysoké učení technické v Praze, 1997. pp. 287-288.

1996

• Load Balancing Techniques for Ray-tracer on Shared Memory Machine

  Havran, V.

  In: Poster 1996. Praha: České vysoké učení technické v Praze, Fakulta elektrotechnická, 1996, pp. 74.