{"id":10,"date":"2017-05-01T20:33:11","date_gmt":"2017-05-01T20:33:11","guid":{"rendered":"http:\/\/localhost:50002\/?page_id=10"},"modified":"2021-07-14T14:52:50","modified_gmt":"2021-07-14T14:52:50","slug":"publications","status":"publish","type":"page","link":"https:\/\/light.informatik.uni-bonn.de\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"

Rendering Iridescent Rock Dove Neck Feathers<\/a><\/h4>Weizhen Huang, Sebastian Merzbach, Clara Callenberg, Doekele G. Stavenga, Matthias B. Hullin<\/b>
In Proceedings of SIGGRAPH 2022 (Conference Papers), 2022.

A practical appearance model for iridescent feathers.<\/i><\/p><\/div>

A Microfacet-based Hair Scattering Model<\/a><\/h4>Weizhen Huang, Matthias B. Hullin, Johannes Hanika<\/b>
Computer Graphics Forum 41 (4) (Proc. EGSR 2022), 2022.

The first fiber scattering model based on physically plausible macro-, meso-, and microgeometry.<\/i><\/p><\/div>

Super-Resolution Time-Resolved Imaging Using Computational Sensor Fusion<\/a><\/h4>Clara Callenberg, Ashley Lyons, Dennis den Brok, Areeba Fatima, Alejandro Turpin, Vytautas Zickus, Laura M. Machesky, Jamie A. Whitelaw, Daniele Faccio, Matthias B. Hullin<\/b>
Scientific Reports (Nature Publishing Group) 11, 1689 (2021), https:\/\/doi.org\/10.1038\/s41598-021-81159-x, 2021. \"Super-Resolution<\/a>

<\/i><\/p><\/div>

Low-Cost SPAD Sensing for Non-Line-Of-Sight Tracking, Material Classification and Depth Imaging<\/a><\/h4>Clara Callenberg, Zheng Shi, Felix Heide, Matthias B. Hullin<\/b>
ACM Transactions on Graphics 40 (4), Article 61 (Proc. SIGGRAPH 2021), 2021. \"Low-Cost<\/a>

<\/i><\/p><\/div>

Non-Line-of-Sight Reconstruction using Efficient Transient Rendering<\/a><\/h4>Julian Iseringhausen, Matthias B. Hullin<\/b>
ACM Transactions on Graphics 39 (1), 2020. \"Non-Line-of-Sight<\/a>

In this paper, we present an efficient renderer for three-bounce indirect transient light transport, and use it to reconstruct objects around corners to unprecedented accuracy.<\/i><\/p><\/div>

Computational Parquetry: Fabricated Style Transfer with Wood Pixels<\/a><\/h4>Julian Iseringhausen, Michael Weinmann, Weizhen Huang, Matthias B. Hullin<\/b>
ACM Transactions on Graphics 39 (2), 2020. \"Computational<\/a>

A new computational woodworking technique enabled by analysis of features found in natural materials.<\/i><\/p><\/div>

Deep Non-Line-of-Sight Reconstruction<\/a><\/h4>Javier Grau Chopite, Matthias B. Hullin, Michael Wand, Julian Iseringhausen<\/b>
Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2020. \"Deep<\/a>

The first deep-learning framework for reconstructing object shapes around a corner.<\/i><\/p><\/div>

Chemomechanical Simulation of Soap Film Flow on Spherical Bubbles<\/a><\/h4>Weizhen Huang, Julian Iseringhausen, Tom Kneiphof, Ziyin Qu, Chenfanfu Jiang, Matthias B. Hullin<\/b>
ACM Transactions on Graphics 39 (4) (Proc. SIGGRAPH), 2020. \"Chemomechanical<\/a>

A framework for simulating the intricate flow within spherical soap films.<\/i><\/p><\/div>

Trigonometric moments for editable structured light range finding<\/a><\/h4>Sebastian Werner, Julian Iseringhausen, Clara Callenberg, Matthias B. Hullin<\/b>
Proc. Vision, Modeling and Visualization, Rostock, Germany , 2019. \"Trigonometric<\/a>

We enhance existing structured light phase shifting methods by using trigonometric moments.<\/i><\/p><\/div>

Real-Time Rendering of Wave-Optical Effects on Scratched Surfaces<\/a><\/h4>Zdravko Velinov*, Sebastian Werner*, Matthias B. Hullin (* joint first authors)<\/b>
Computer Graphics Forum 37 (2) (Proc. EUROGRAPHICS), 2018. \"Real-Time<\/a>

In this paper, we develop closed-form solutions for illuminating our iridescent scratch model with spherical and polygonal area light sources, bringing this effect within reach of real-time applications for the first time. <\/i><\/p><\/div>

Neural network identification of people hidden from view with a single-pixel, single-photon detector<\/a><\/h4>Piergiorgio Caramazza, Alessandro Boccolini, Daniel Buschek, Matthias Hullin, Catherine F. Higham, Robert Henderson, Roderick Murray-Smith, Daniele Faccio <\/b>
Scientific Reports (Nature Publishing Group), 8, 11945; doi: 10.1038\/s41598-018-30390-0, 2018.

A Quantitative Platform for Non-Line-of-Sight Imaging Problems<\/a><\/h4>Jonathan Klein, Martin Laurenzis, Dominik L. Michels, Matthias B. Hullin<\/b>
In Proceedings of British Machine Vision Conference (BMVC 2018), Northumbria University, Newcastle, UK, September 3-6, 2018, 2018. \"A<\/a>

In this paper, we present a reference database of time-resolved light echoes for non-line-of-sight sensing.<\/i><\/p><\/div>

4D Imaging through Spray-On Optics<\/a><\/h4>Julian Iseringhausen, Bastian Goldl\u00fccke, Nina Pesheva, Stanimir Iliev, Alexander Wender, Martin Fuchs, Matthias B. Hullin<\/b>
ACM Transactions on Graphics 36(4) (Proc. SIGGRAPH), 35:1--35:11, 2017. \"4D<\/a>

Raindrops on a window heavily distort the view of the scene. We show that a fully calibrated 4D light field can be recovered from a single photograph taken under such adverse conditions.<\/i><\/p><\/div>

Digital Transmission of Subjective Material Appearance<\/a><\/h4>Rodrigo Martín, Michael Weinmann, Matthias B. Hullin<\/b>
Proc. WSCG, 2017. \"Digital<\/a>

How well do various digital appearance representations perform at communicating the \"touch and feel\" of materials?<\/i><\/p><\/div>

Snapshot Difference Imaging using Correlation Time-of-Flight Sensors<\/a><\/h4>Clara Callenberg, Felix Heide, Gordon Wetzstein, Matthias Hullin<\/b>
ACM Transactions on Graphics 36(6) (Proc. SIGGRAPH Asia), 220:1--220:10, 2017. \"Snapshot<\/a>

Computation of image differences is a key operation in computational imaging. We use time-of-flight sensors to perform this operation in a single shot, and discover some remarkable features.<\/i><\/p><\/div>

Scratch Iridescence: Wave-Optical Rendering of Diffractive Surface Structure<\/a><\/h4>Sebastian Werner*, Zdravko Velinov*, Wenzel Jakob, Matthias B. Hullin (* joint first authors)<\/b>
ACM Transactions on Graphics 36(6) (Proc. SIGGRAPH Asia), 207:1--207:14, 2017. \"Scratch<\/a>

Many real-world surfaces are covered in fine scratches that diffract light in colorful ways. Our model seamlessly transitions between ray optics and wave optics to recreate this intricate effect.<\/i><\/p><\/div>

Machine Learning Assisted Identification of People Hidden Behind a Corner<\/a><\/h4>Piergiorgio Caramazza, Alessandro Boccolini, Gabriella Musarra, Matthias Hullin, Roderick Murray-Smith, Daniele Faccio<\/b>
Computational Optical Sensing and Imaging, 2017.

We demonstrate the use of machine learning to classify temporal histograms of the light-echoes backscattered from bodies hidden from view around a corner, captured by a SPAD camera.<\/i><\/p><\/div>

Material Classification using Raw Time-of-Flight Measurements<\/a><\/h4>Shuochen Su, Felix Heide, Robin Swanson, Jonathan Klein, Clara Callenberg, Matthias B. Hullin, Wolfgang Heidrich<\/b>
Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2016. \"Material<\/a>

We show that using multi-frequency time-of-flight measurements, five different white materials can be distinguished on a per-pixel basis.<\/i><\/p><\/div>

Tracking Objects Outside the Line of Sight using 2D Intensity Images<\/a><\/h4>Jonathan Klein, Christoph Peters, Jaime Martín, Martin Laurenzis, Matthias B. Hullin<\/b>
Scientific Reports (Nature Publishing Group), 6, 32491; doi: 10.1038\/srep32491, 2016. \"Tracking<\/a>

We demonstrate the tracking of objects outside the line of sight from 3rd-order indirect diffuse reflections, captured using a regular laser pointer and a 2D camera.<\/i><\/p><\/div>

An Interactive Appearance Model for Microscopic Fiber Surfaces<\/a><\/h4>Zdravko Velinov and Matthias Hullin<\/b>
Proc. Vision, Modeling and Visualization, Bayreuth, Germany, 2016. \"An<\/a>

A reflectance model for pile fabrics that you can \"draw on\" using your fingers, like velvet or Alcantara.<\/i><\/p><\/div>

Doppler Time-of-Flight Imaging<\/a><\/h4>Felix Heide, Wolfgang Heidrich, Matthias B. Hullin, Gordon Wetzstein<\/b>
ACM Transactions on Graphics (Proc. SIGGRAPH), 34 (4), 2015. \"Doppler<\/a>

A new computational imaging system that captures metric radial velocity information per pixel -- think of a huge array of traffic speed guns that use light instead of radar.<\/i><\/p><\/div>

Diffuse Mirrors: 3D Reconstruction from Diffuse Indirect Illumination using Inexpensive Time-of-Flight Sensors<\/a><\/h4>Felix Heide, Lei Xiao, Wolfgang Heidrich and Matthias B. Hullin<\/b>
Proc. IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2014. \"Diffuse<\/a>

How to look around a corner using echoes of light, using low-end devices that can't even properly measure such data.<\/i><\/p><\/div>

Low-Budget Transient Imaging using Photonic Mixer Devices<\/a><\/h4>Felix Heide*, Matthias B. Hullin*, James Gregson, Wolfgang Heidrich (* joint first authors)<\/b>
ACM Transactions on Graphics (Proc. SIGGRAPH), 32 (4), 2013. \"Low-Budget<\/a>

A computational method for capturing videos of light in flight using consumer-grade imaging hardware.<\/i><\/p><\/div>

Dynamic Display of BRDFs<\/a><\/h4>Matthias B. Hullin, Hendrik P. A. Lensch, Ramesh Raskar, Hans-Peter Seidel, Ivo Ihrke<\/b>
Computer Graphics Forum (Proc. EUROGRAPHICS), 2011. \"Dynamic<\/a>

We define the problem of physically displaying material appearance, and demonstrate a conceptual device that exhibits precisely controllable reflectance distributions by generating waves on a water surface.<\/i><\/p><\/div>

Physically-Based Real-Time Lens Flare Rendering<\/a><\/h4>Matthias B. Hullin, Elmar Eisemann, Hans-Peter Seidel, Sungkil Lee<\/b>
ACM Transactions on Graphics 30 (4) (Proc. SIGGRAPH), 2011. \"Physically-Based<\/a>

Our take on this popular effect; to our knowledge, the most complete and most efficient model to date.<\/i><\/p><\/div>\r\n\r\nPlease also see Matthias Hullin’s private homepage<\/a> for older papers.","protected":false},"excerpt":{"rendered":"

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