Vlastimil Havran
journal publications

Journal publications:

Note: some publications on this webpage may be the subject of copyright of different organizations and publishing houses such as ACM, IEEE, Eurographics, BlackWiley, Elsevier, Wiley, ACM, IEEE etc. You have to consult the appropriate publisher and/or assocation when using any content from this webpage, in particular for commercial purposes and reprints.

35. J. Hosek, S. Nemcova, V. Havran: "General relations for optical design parameters under diffraction limited paraxial imaging", Journal Optics and Lasers in Engineering Volume 174, March 2024, 107960, [PDF at Science Direct], [BibTeX].

34. S. Nemcova, V. Havran, J. Hosek: "Different view on diffraction limited imaging optics design", Journal of the Optical Society of America A 40(1), January 2023, DOI: 10.1364/JOSAA.474688, [PDF at publisher], [BibTeX].

33. J. Sloup, V. Havran: "Optimizing Ray Tracing of Trimmed NURBS Surfaces on the GPU", in Pacific Graphics 2021, Wellington, New Zealand. In Computer Graphics Forum, Volume 40, Issue 7, page 161-172. The definitive version available at Wiley Online Library: [PDF], the EG version available [PDF] (Local copy [PDF]. Supplementary (51 pages [PDF] + MP4 video of ray tracing [MP4]) at EG: [ZIP], local copy (272 MBytes) [ZIP], [BibTeX]. Also check [Presentation video in MP4].

32. V. Havran, J. Hosek, S. Nemcova, J. Cap: "Increasing the Spatial Resolution of BTF Measurement with Scheimpflug Imaging", in Computer Graphics Forum, Volume 38, Issue 1, February 2019, pages 592-609. A preliminary version of the paper in [PDF]. The definitive version is available at Wiley [PDF],[BibTeX]. Please note that there are five supplementary files at Wiley website.

31. M. Sbert, V. Havran, L. Szirmay-Kalos, V. Elvira: "Multiple Importance Sampling Characterization by Weighted Mean Invariance", The Visual Computer journal, volume 34, pp. 843–852, May 2018, doi.org/10.1007/s00371-018-1522-x, [Online Access PDF] Online Version, [BibTeX], [DOI REF]

30. M. Sbert, V. Havran, L. Szirmay-Kalos:"Multiple importance sampling revisited: breaking the bounds", EURASIP Journal on Advances in Signal Processing, year 2018, doi.org/10.1186/s13634-018-0531-2, pages 1-15, [Article Online Open Access], [BibTeX].

29. J. Cap, J. Hosek, V. Havran, S. Nemcova, K. Macuchova:"Optomechanical design of rotary kaleidoscope for bidirectional texture function acquisition", in Applied Optics, Vol. 56, Issue 26, pp. 7373-7384 (2017), [Article Online at OSA], [BibTeX].

28. M. Sbert, V. Havran: "Adaptive Multiple Importance Sampling for General Functions", in conference Computer Graphics International (CGI) 2017, published as special issue of Visual Computer journal, June 27-30, 2017, Yokohama, Japan. [Article Online at Springer], [BibTeX].

27. V. Havran, J. Hosek, S. Nemcova, J. Cap, and J. Bittner: "Lightdrum--Portable Light Stage for Accurate BTF Measurement on Site", in journal of Sensors (MDPI), Volume 17, issue 3, 2017, article no. 423, pp. 1-57, doi:10.3390/s17030423, [Article Online at MDPI], [PDF], [BibTeX], project webpage with videos and data.

26. J. Hosek, V. Havran, S. Nemcova, J. Bittner, and J. Cap: "Optomechanical design of a portable compact bidirectional texture function measurement instrument", in journal of Applied Optics 56, Issue 4, 1183-1193, February 2017. [Article Online at OSA], [PDF] at OSA website, [BibTeX].

25. M. Vinkler, V. Havran, J. Bittner:"Performance Comparison of Bounding Volume Hierarchies and Kd-trees for GPU Ray Tracing", in Computer Graphics Forum, accepted September 2015, published online 18th November 2015, DOI: 10.1111/cgf.12776, Volume 8, Issue 35, pages 68-79, December 2016. Article Online at Wiley, [PDF online at Wiley], [PDF preprint], [BibTeX].

24. S. Nemcova, V. Havran, J. Cap, J. Hosek, J. Bittner:"Compensating for color artifacts in the design of technical kaleidoscopes", Optical Engineering 55(11), 113104 (Nov 23, 2016). doi:10.1117/1.OE.55.11.113104, [PDF] at the SPIE website. [BibTeX].

23. M. Sbert, V. Havran, L. Szirmay-Kalos:"Variance Analysis of Multi-sample and One-sample Multiple Importance Sampling", conference Pacific Graphics (Conference page), published in Computer Graphics Forum, Volume 35, Issue 7, October 2016, [PDF] at Wiley Online Library, [preliminary PDF], and [BibTeX].

22. V. Havran, J. Filip, K. Myszkowski: "Perceptually Motivated BRDF Comparison using Single Image", at EGSR2016 conference (published in Computer Graphics Forum), 12 pages, June 2016, [Entry in EG digital library], [PDF], [BibTeX], [project webpage].

21. M. Vinkler, V. Havran, J. Bittner, J. Sochor: "Parallel On-Demand Hierarchy Construction on Contemporary GPUs", 14 pages, in IEEE TVCG journal, [Article Online], (online August 2015), Issue No.07 - July (2016 vol.22) pp: 1886-1898, 2016. [PDF preprint] [BibTeX].

20. M. Vinkler and V. Havran:"Register Efficient Dynamic Memory Allocator for GPUs", Computer Graphics Forum, December 2015 (invited article from HPG 2014, extended), Volume 34, Issue 8, pages 143-154, CMalloc project homepage. Article online, [PDF preprint], [BibTeX].

19. V. Bubnik and V. Havran:"Light Chisel: 6DOF Pen Tracking", at Eurographics 2015, special issue of Computer Graphics Forum, Volume 34, No. 2, pages 325-336, May 2015. Light Chisel project home page, paper [PDF] and [BibTeX].

18. V. Havran and P. Egert: "Extensions to Bidirectional Texture Function Compression with Multi-Level Vector Quantization in OpenCL", Article Online, Computers and Graphics journal, January 2015. [PDF], [BibTeX].

17. J. Bittner, M. Hapala, and V. Havran: "Incremental BVH Construction for Ray Tracing", Article Online, Computers and Graphics journal, December 2014.[BibTeX].

16. T. Barak, J. Bittner, V. Havran: "Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps", in EGSR 2013 (Zaragoza, Spain), published in journal Computer Graphics Forum), Volume 32, Issue 4, pages 87-96, June 2013, DOI: 10.1111/cgf.12154, [PDF, Article Online at Wiley], [Preprint PDF], [BibTeX], [Video in MP4 format].

15. M. Vinkler, J. Bittner, V. Havran, M. Hapala: "Massively Parallel Hierarchical Scene Processing with Applications in Rendering", in journal Computer Graphics Forum, Volume 32, Issue 8, pages 13-25, December 2013, DOI: 10.1111/cgf.12140, [PDF, Article Online at Wiley], [Preprint PDF] [BibTeX]. Presented at the conference EGSR2014.

14. J. Bittner, M. Hapala, V. Havran: "Fast Insertion Based Optimization of Bounding Volume Hierarchies", in journal Computer Graphics Forum, Volume 32, Issue 1, pages 85-100, February 2013, DOI: 10.1111/cgf.12000, [PDF, Article Online at Wiley], [Preprint PDF], [BibTeX].

13. M. Vinkler, V. Havran, J. Sochor: "Visibility Driven BVH Build Up Algorithm for Ray Tracing", in journal Computers and Graphics, ISSN 0097-8493, volume 36, issue 4, pages 283-296, June 2012. Available online on web by Elsevier, the video included. Preliminary version of the article also available in [PDF] and [BibTeX], [Video walkthrough], [Video animation].

12. M. Hapala, V. Havran: "Review: Kd-tree Traversal Algorithms for Ray Tracing", in journal Computer Graphics Forum, Vol. 30, Issue 1, pages 199--213, 2011, [Article Online at Wiley], preprint in [PDF], [BibTeX].

11. V. Havran, J. Filip, K. Myszkowski: "Bidirectional Texture Function Compression based on the Multilevel Vector Quantization", in Computer Graphics Forum, Vol. 29, Issue 1, pages 175--190, January 2010, project webpage, [Article Online at Wiley], [PDF online], and [BibTeX], preliminary version of the paper in [PDF].

10. J. Bittner, O. Mattausch, P. Wonka, V. Havran, M. Wimmer: "Adaptive Global Visibility Sampling", SIGGRAPH 2009, New Orleans, ACM TOG, Vol. 28, Issue 3, pages 94:1-94:10, August 2009, project webpage, [PDF], and [BibTeX].

9. V. Havran, J. Bittner: "Stackless Ray Traversal for kD-Trees with Sparse Boxes", Computer Graphics and Geometry [online journal], 2007, vol. 9, no. 3, pages 16-30, ISSN 1811-8992. Preliminary version in [PDF], and [BibTeX].

8. R. Herzog, V. Havran, S. Kinuwaki, K. Myszkowski, H.-P. Seidel: "Global Illumination using Photon Ray Splatting", Computer Graphics Forum, Vol. 26, Issue 3, pages 503-513, (proceedings of Eurographics 2007 conference, September 2007, Prague, Czech Republic.) [Article Online at Wiley] and local copy of [PDF] and [BibTeX].

7. V. Havran, R. Herzog, H.-P. Seidel: "Fast Final Gathering via Reverse Photon Mapping", EUROGRAPHICS 2005, Computer Graphics Forum, Volume 24, Number 3, pages 323-333, 29 August - 2 September 2005, Dublin, Ireland. [Article Online at Wiley] and local copy of [PDF] and [BibTeX]. Also see the Master Thesis by Robert Herzog for further details.

6. V. Havran, W. Purgathofer:"On Comparing Ray Shooting Algorithms", In journal Computers and Graphics, Volume 27, Issue 4, ISSN 0097-8493, pages 593-604, August 2003. Electronic version of the paper in [Elsevier web], [PDF] at journal website. Preliminary version in [PDF], [BibTeX].

5. V. Havran and J. Bittner: "On Improving KD-Trees for Ray Shooting", Journal of WSCG, University of West Bohemia, Volume 10, Number 1, pages 209--217, February 2002. [PDF] and [BibTeX].

4. J. Bittner and V. Havran: "Exploiting Coherence in Hierarchical Visibility Algorithms", The Journal of Visualization and Computer Animation, pages 277--286, Volume 12, Number 5, ISSN 1049-8907, December 2001. [ACM Record], [Journal Website], and [PDF] [BibTeX].

3. V. Havran and J. Bittner: "LCTS: Ray Shooting using Longest Common Traversal Sequences", Computer Graphics Forum (Proc. of conference Eurographics '2000), 19(3):C59--C70, Eurographics Association and Blackwell Publishers, August 2000. [Journal webpage], [PDF] and [BibTeX].

2. V. Havran: "Analysis of Cache Sensitive Representation for Binary Space Partitioning Trees", in journal Informatica, Vol. 23, No. 2, pages 203--210, ISSN 0350-5596, May 1999. [PDF] and [BibTeX].

1. V. Havran, T. Kopal, J. Bittner, and J. Zara: "Fast Robust BSP Tree Traversal Algorithm for Ray Tracing", in Journal of Graphics Tools, Vol.2, No. 4, A.K. Peters Ltd., pages 15-23, Dec 1998. [HTML] at journal website, [Sample Code], [PDF], and [BibTeX].

This page is maintained by Vlastimil Havran. It was last updated on 2018 December 19.