Publications

Optimizing Ray Tracing of Trimmed NURBS Surfaces on the GPU

Computer Graphics Forum (Proceedings of Pacific Graphics 2021) 97(1):161-172, 2021

Increasing the Spatial Resolution of BTF Measurement with Scheimpflug Imaging

Vlastimil Havran Jan Hošek Šárka Němcová Jiří Čáp
Computer Graphics Forum 38(1):592-609, 2019

Laser Imaging Approach for Portable BTF Measurement System Automatic Alignment

Jan Hošek Vlastimil Havran Jiří Čáp Šárka Němcová
International Journal of Mechatronics and Applied Mechanics 2(4):232-237, 2018

Multiple Importance Sampling Characterization by Weighted Mean Invariance

Mateu Sbert Vlastimil Havran László Szirmay-Kalos Victor Elvira
The Visual Computer 34(6-8):843-852, 2018

Adaptive Multiple Importance Sampling for General Functions

Mateu Sbert Vlastimil Havran
The Visual Computer 33(6-8):845-855, 2017

Parallel On-Demand Hierarchy Construction on Contemporary GPUs

Marek Vinkler Vlastimil Havran Jiří Bittner Jiří Sochor
IEEE Transactions on Visualization and Computer Graphics 22(7):1886-1898, 2016

Perceptually Motivated BRDF Comparison using Single Image

Vlastimil Havran Jiří Filip Karol Myszkowski
Computer Graphics Forum (Proceedings of EGSR 2016) 35(3):1-12, 2016

Variance Analysis of Multi-Sample and One-Sample Multiple Importance Sampling

Mateu Sbert Vlastimil Havran Laszlo Szirmay-Kalos
Computer Graphics Forum (Proceedings of PG 2016) 35(7):451-460, 2016

Incremental BVH Construction for Ray Tracing

Computers & Graphics 47(1):135-144, 2015

Light Chisel: 6DOF Pen Tracking

Vojtěch Bubník Vlastimil Havran
Computer Graphics Forum (Proceedings of Eurographics 2015) 34(2):325-336, 2015

Register Efficient Dynamic Memory Allocator for GPUs

Marek Vinkler Vlastimil Havran
Computer Graphics Forum 34(8):143-154, 2015

BRDF Slices: Accurate Adaptive Anisotropic Appearance Acquisition

Jiří Filip Radomír Vávra Michal Haindl Pavel Žid Mikuláš Krupička Vlastimil Havran
Proceedings of IEEE Conference on Computer Vision and Pattern Recognition, pp. 4321-4326, 2013

Temporally Coherent Adaptive Sampling for Imperfect Shadow Maps

Computer Graphics Forum (Proceedings of EGSR 2013) 32(4):87-96, 2013

Visibility Driven BVH Build Up Algorithm for Ray Tracing

Marek Vinkler Vlastimil Havran Jiří Sochor
Computers & Graphics 36(4):283-296, 2012

Efficient Stack-less Traversal Algorithm for Ray Tracing with BVH

Michal Hapala Tomáš Davidovič Ingo Wald Vlastimil Havran Philipp Slusallek
Proceedings of Spring Conference on Computer Graphics, pp. 29-34, 2011

Review: Kd-tree Traversal Algorithms for Ray Tracing

Michal Hapala Vlastimil Havran
Computer Graphics Forum 30(1):199-213, 2011

Bidirectional Texture Function Compression Based on Multi-Level Vector Quantization

Vlastimil Havran Jiří Filip Karol Myszkowski
Computer Graphics Forum 29(1):175-190, 2010

Adaptive Global Visibility Sampling

Jiří Bittner Oliver Mattausch Peter Wonka Vlastimil Havran Michael Wimmer
ACM Transactions on Graphics (Proceedings of SIGGRAPH 2009) 28(3):94, 2009

Global Illumination using Photon Ray Splatting

Robert Herzog Vlastimil Havran Shinichi Kinuwaki Karol Myszkowski Hans-Peter Seidel
Computer Graphics Forum (Proceedings of Eurographics 2007) 26(3):503-513, 2007

Ray Tracing with Sparse Boxes

Proceedings of Spring Conference on Computer Graphics, pp. 49-54, 2007

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

Ingo Wald Vlastimil Havran
Proceedings of IEEE Symposium on Interactive Ray Tracing, pp. 61-69, 2006

On the Fast Construction of Spatial Hierarchies for Ray Tracing

Vlastimil Havran Robert Herzog Hans-Peter Seidel
Proceedings of IEEE Symposium on Interactive Ray Tracing, pp. 71-80, 2006

Theses

BRDF surface reflectance using LIGHTEC Minidiff V2 for Game Engines

Lukáš Cezner Bachelor thesis 2023
This thesis investigates the possibility of using measured reflectance data of real materials to simulate the illumination of surfaces in Unity and Unreal Engine game engines in order to achieve realistic...

Real-time global illumination using Cascaded Light Propagation Volumes

Petr Šefčík Master thesis 2016
Computing global illumination is essential for synthesis of realistic looking images. Global illumination algorithms are however very computationally expensive and up until recently unfeasible to realize...

Global Illumination Computation for Augmented Reality

Tomáš Nikodým Master thesis 2012
In order to merge virtual objects into a real scene seamlessly, it is important to maintain consistent common illumination. In this thesis, we propose a framework that captures high dynamic range light...

Global Illumination via Instant Radiosity

Tomáš Barák Master thesis 2012
Global illumination algorithms form a fundamental part of the realistic image synthesis discipline. They consider the necessary indirect illumination component, and they usually produce highly plausible...

Data Structures for Interpolation of Illumination with Radiance and Irradiance Caching

Ondřej Karlík Master thesis 2011
Irradiance and radiance caching are important algorithms for solving the light transport problem in realistic image synthesis. They both require geometric search data structures for efficient rendering....

Progressive Consistent Computation of Global Illumination

Michal Lukáč Master thesis 2011
Progressiveness in a global illumination algorithm is a desirable, yet seldom considered property. We have decided to explore this class of algorithms with additional focus on estimate consistency and...

Parametric Model of MPII Building

Ondřej Linda Master thesis 2010
The scope of this master thesis is to study predictive image synthesis. Predictive image synthesis is a part of photo-realistic rendering, which is based on using physically exact algorithms for computing...

Fast rendering algorithms for volumetric data

Radomír Vávra Master thesis 2010
Thesis deals with fast rendering of volumetric objects, especially with objects defined by distance functions (level sets). Implementations written in C++ and with SSE instructions utilize recent multicore...

Research

Research Center for Informatics (RCI)

RCI is the centre of scientific excellence in computer science and artificial intelligence that boosts and integrates internationally competitive research conducted at Czech Technical University. The...

Augmented Reality in School Environments (ARiSE)

The project aims at integrating an AR teaching platform (ARTP) into the everyday environment of teachers and students, displaying audiovisual and multimedia content in line with the needs identified by...