Publications

Patents

Granted

Method for processing a video data set (US8,577,202B2/ DE10,2007,021,518)

Method, apparatus and computer program usable in synthesizing a stereoscopic image (EP000002747427) 

 

Pending

Method, apparatus and computer program usable in synthesizing a stereoscopic image (CN000104813658A)

Apparatus and method for compositing an image from a number of visual objects (PCT/EP2012/002533)

Method, apparatus and computer program for generating a multiview image-plus-depth format (EP000002775723A1)

Books & Book Chapters

Carlos Vazquez, Liang Zhang, Filippo Speranza, Nils Plath, and Sebastian Knorr
2D-to-3D Video Conversion: Overview and Perspectives
in Emerging Technologies for 3D Video: Creation, Coding, Transmission and Rendering, Frédéric Dufaux, Béatrice Pesquet-Popescu, Marco Cagnazzo (editors), Wiley, 2013 

 

Sebastian Knorr
Synthese Stereoskopischer Sequenzen aus 2-Dimensionalen Videoaufnahmen
Suedwestdeutscher Verlag für Hochschulschriften, 2008, ISBN: 978-3-8381-0234-4

 

Journal Articles

F. Ghorbani Lohesara, D. R. Freitas, C. Guillemot, K. Eguiazarian and S. Knorr

HEADSET: Human Emotion Awareness under Partial Occlusions Multimodal DataSET

IEEE Trans. on Visualization and Computer Graphics, 29(11):4686-4696, Nov. 2023. 

 

S. Croci, C. Ozcinar, E. Zerman, S. Knorr, J. Cabrera, and A. Smolic
Visual Attention-Aware Quality Estimation Framework for Omnidirectional Video using Spherical Voronoi Diagram
Quality and User Experience, 5 (1) Springer, 2020. 

 

R. Dudek, S. Croci, A. Smolic, and S. Knorr
Robust Global and Local Color Matching in Stereoscopic Omnidirectional Content
Signal Processing: Image Communication, Elsevier, Volume 74, May 2019, Pages 231-241, doi.org/10.1016/j.image.2019.02.013. 

 

N. Plath, S. Knorr, L. Goldmann, and T. Sikora
Adaptive Image Warping for Hole Prevention in 3D View Synthesis
published in IEEE Transactions on Image Processing, Special Issue on 3D Video Representation, Compression and Rendering, Vol. 22, No. 9, September 2013, pp. 3420—3432.

 

S. Knorr, K. Ide, M. Kunter, and T. Sikora
The Avoidance of Visual Discomfort and Basic Rules for Producing “Good 3D” Pictures
published in SMPTE Motion Imaging Journal, October 2012.

 

A. Smolic, P. Kauff, S. Knorr, A. Hornung, M. Kunter, M. Müller, M. Lang
Three-Dimensional Video Postproduction and Processing 
published in Proceedings of the IEEE, Vol. 99, No. 4, April 2011.

 

L. Zhang, C. Vázquez, S. Knorr
3D-TV Content Creation: Automatic 2D-to-3D Video Conversion
IEEE Transactions on Broadcasting, Special Issue on 3D-TV, vol. 57, no. 2, 28.03.2011, pp. 372—383
Received the Scott Helt Memorial Award for the best paper published in the IEEE Transactions on Broadcasting in 2011.

 

S. Knorr, M. Kunter, T. Sikora
Stereoscopic 3D from 2D Video with Super-Resolution Capability
published in Signal Processing: Image Communication, Amsterdam: Elsevier Science B.V., Vol. 23, No. 9, October 2008, pp. 665—676.

 

E. Imre, S. Knorr, B. Özkalayci, U. Topay, A. Aydin Alatana, T. Sikora
Towards 3-D Scene Reconstruction from Broadcast Video
published in Signal Processing: Image Communication, Vol. 22, No. 2, February 2007, pp. 108—126.

 

Conference Articles

G. Raja, S. Essaky,  D. S. Rajendran, S. G. Senthivel, S. Knorr, K. Dev
Adaptive Model Predictive Control-Driven Approach for Visual Detection of Micro-UAVs
IEEE International Conference on Communications (ICC), Denver, Colorado, USA, June 9-13, 2024.

F. Ghorbani Lohesara, K. Eguiazarian and S. Knorr
Towards Realistic Landmark-Guided Facial Video Inpainting Based on GANs
IS&T Electronic Imaging, Image Processing: Algorithms and Systems XXII, Burlingame, California, USA, Jan. 21-25, 2024..

H. Potechius, G. Raja, T. Sikora and S. Knorr
A Software Test Bed for Sharing and Evaluating Color Transfer Algorithms for Images and 3D Objects
ACM Siggraph European Conference on Visual Media Production, London, UK, Nov. 30 - Dec. 1, 2023.

M. Gond, E. Zerman, S. Knorr and M. Sjöström
LFSphereNet: Real Time Spherical Light Field Reconstruction from a Single Omnidirectional Image
ACM Siggraph European Conference on Visual Media Production, London, UK, Nov. 30 - Dec. 1, 2023.

F. Ghorbani Lohesara, K. Eguiazarian and S. Knorr
Expression-aware video inpainting for HMD removal in XR applications
ACM Siggraph European Conference on Visual Media Production, London, UK, Nov. 30 - Dec. 1, 2023.

 

K. Gu, T. Maugey, S. Knorr and C. Guillemot
Vanishing Point Aided Hash-Frequency Encoding for Neural Radiance Fields (NeRF) from Sparse 360° Input
IEEE International Symposium on Mixed and Augmented Reality (ISMAR), Sydney, Australia,  Oct. 16-20, 2023.

Kai Gu, Thomas Maugey, Sebastian Knorr, and Christine Guillemot
Omni-NeRF: Neural Radiance Field from 360  image captures
IEEE International Conference on Multimedia and Expo (ICME), Taipei, Taiwan, July 18-22, 2022. 

 

Herbert Potechius, Thomas Sikora, and Sebastian Knorr
Color Transfer of 3D Point Clouds for XR Applications
IEEE International Conference on 3D Immersion, Dec. 8, 2021.

 

Haoshuo Wang, Colm O Fearghail, Emin, Zerman, Karsten Braungart, Aljosa Smolic, and Sebastian Knorr
Visual Attention Analysis and User Guidance in Cinematic VR Film
IEEE International Conference on 3D Immersion, Dec. 8, 2021.

 

Victor Celdran Martinez, Bilkan Ince, Praveen Kumar Selvam, Ivan Petrunin, Minguk Seo, Edward Anastassacos, Paul G. Royall, Adrian Cole, Antonios Tsourdos, and Sebastian Knorr
Detect and Avoid Considerations for Safe sUAS Operations in Urban Environments
The 40th Digital Avionics Systems Conference, San Antonio, USA, Oct. 3-7, 2021.

 

Simone Croci, Cagri Ozcinar, Emin Zerman, Roman Dudek, Sebastian Knorr, and Aljosa Smolic
Deep Color Mismatch Correction in Stereoscopic 3D Images
IEEE International Conference on Image Processing (ICIP), Anchorage, USA, Sept. 19-22, 2021.

 

Colm O Fearghail, Emin, Zerman, Sebastian Knorr,  Fang-Yi Chao, and Aljosa Smolic
Use of Saliency Estimation in Cinematic VR Post-Production to Assist Viewer Guidance
Irish Machine Vision and Image Processing Conference, Dublin, Ireland, Sept. 1-3, 2021. 

 

Praveen Kumar Selvam, Gunasekaran Raja, Vasantharaj Rajagopal, Kapal Dev, Sebastian Knorr
Collision-free Path Planning for UAVs using Efficient Artificial Potential Field Algorithm
IEEE 93rd Vehicular Technology Conference: VTC2021, Online, Apr. 2021. 

 

Colm O Fearghail, Sebastian Knorr, and Aljosa Smolic
Analysis of Intended Viewing Area vs Estimated Saliency on Narrative Plot Structures in VR Video
IEEE International Conference on 3D Immersion, Brussels, Belgium, Dec. 2019. 

 

Simone Croci, Sebastian Knorr, Aljosa Smolic
Study on the Perception of Sharpness Mismatch in Stereoscopic Video
IEEE 11th International Conference on Quality of Multimedia Experience (QoMEX), Berlin, Germany, June 5-7, 2019. 

 

Sebastian Knorr, Matthias Knoblauch, Thomas Sikora
Creation of 360° Light Fields using Concentric Mosaics with Varying Slit Widths
European Light Field Imaging Workshop, Borovets, Bulgaria, June 4-6, 2019. 

 

Sebastian Knorr, Matis Hudon, Julián Cabrera, Thomas Sikora, and Aljosa Smolic
DeepStereoBrush: Interactive Depth Map Creation
IEEE International Conference on 3D Immersion, Brussels, Belgium, Dec. 5, 2018. 

 

Colm O Fearghail, Cagri Ozinar, Sebastian Knorr, and Aljosa Smolic
Director's Cut - Analysis of VR Film Cuts for Interactive Storytelling
IEEE International Conference on 3D Immersion, Brussels, Belgium, Dec. 5, 2018. 

 

Sebastian Knorr, Cagri Ozinar, Colm O Fearghail, and Aljosa Smolic
Director‘s Cut - A Combined Dataset for Visual Attention Analysis in Cinematic VR Content
15th ACM SIGGRAPH European Conference on Visual Media Production, London, UK, Dec. 13-14, 2018.

 

Colm O Fearghail, Cagri Ozinar, Sebastian Knorr, and Aljosa Smolic
Director‘s Cut - Analysis of Aspects of Interactive Storytelling for VR Films
International Conference for Interactive Digital Storytelling, Dublin, Ireland, Dec. 5-8, 2018. 

 

Declan Dowling, Colm O Fearghail, Aljosa Smolic, and Sebastian Knorr
Faoladh: A Case Study in Cinematic VR Storytelling and Production
International Conference for Interactive Digital Storytelling, Dublin, Ireland, Dec. 5-8, 2018. 

 

Simone Croci, Mairead Grogan, Sebastian Knorr, Aljosa Smolic
Colour Correction for Stereoscopic Omnidirectional Images
Irish Machine Vision and Image Processing Conference, Aug. 29 – 31, 2018. 

 

Simone Croci, Sebastian Knorr, Aljosa Smolic
Sharpness Mismatch Detection in Stereoscopic Content with 360-Degree Capability
IEEE International Conference on Image Processing (ICIP), Athens, Greece, Oct. 7-10, 2018. 

 

Cagri Ozcinar, Ana De Abreu, Sebastian Knorr, Aljosa Smolic
Estimation of optimal encoding ladders for tiled 360° VR video in adaptive streaming systems
19th IEEE International Symposium on Multimedia, Taichung, Taiwan, Dec. 11-13, 2017.

 

Simone Croci, Sebastian Knorr, Aljosa Smolic
Saliency-Based Sharpness Mismatch Detection For Stereoscopic Omnidirectional Images
14th European Conference on Visual Media Production, London, UK, Dec. 11-12, 2017. 

 

Simone Croci, Sebastian Knorr, Lutz Goldmann, Aljosa Smolic
A Framework for Quality Control in Cinematic VR Based on Voronoi Patches and Saliency
International Conference on 3D Immersion, Brussels, Belgium, Dec. 11-12, 2017.

 

Sebastian Knorr, Simone Croci, Aljosa Smolic
A Modular Scheme for Artifact Detection in Stereoscopic Omni-Directional Images
Irish Machine Vision and Image Processing Conference, Aug. 30 – Sep. 1, 2017.

 

Nils Plath, Lutz Goldmann, Alexander Nitsch, Sebastian Knorr, Thomas Sikora
Line-preserving hole-filling for 2D-to-3D conversion
European Conference on Visual Media Production, volume 8, London, Nov. 13—14, 2014.

 

Sebastian Knorr, Kai Ide, Matthias Kunter, Thomas Sikora
Basic rules for good 3D and the avoidance of visual discomfort in stereoscopic vision
International Broadcasting Convention (IBC), Amsterdam, NL, Sept. 8—13, 2011. 

 

Matthias Kunter, Sebastian Knorr, Andreas Krutz, and Thomas Sikora
Unsupervised Object Segmentation for 2D to 3D Conversion
IS&T/SPIE’s Electronic Imaging, San Jose, California, USA, Jan. 18—22, 2009.

 

Andreas Krutz, Sebastian Knorr, Matthias Kunter, Thomas Sikora
Camera Motion-Constraint Video Codec Selection
IS&T/SPIE’s Electronic Imaging, San Jose, California, USA, Jan. 18—22, 2009.

 

Sebastian Knorr, and Thomas Sikora
An Image-based Rendering (IBR) Approach for Realistic Stereo View Synthesis of TV Broadcast Based on Structure From Motion
IEEE Int. Conf. on Image Processing (ICIP), San Antonio, Texas, USA, Sept. 16—19, 2007.

 

Sebastian Knorr, Matthias Kunter, and Thomas Sikora
Super-Resolution Stereo- and Multi-View Synthesis from Monocular Video Sequences
3-D Digital Imaging and Modeling (3DIM 2007), Montréal, Québec, Canada, August 21—23, 2007.

 

Sebastian Knorr, Aljoscha Smolic, and Thomas Sikora
From 2D- to Stereo- to Multi-view Video
3DTV-Conference, Kos Island, Greece, May 7—9, 2007.

 

Evren Imre, Sebastian Knorr, Aydin A. Alatan, and Thomas Sikora
Prioritized Sequential 3D Reconstruction in Video Sequences of Dynamic Scenes
IEEE Int. Conf. on Image Processing (ICIP’06), Atlanta, USA, October 8—11, 2006.

 

Sebastian Knorr, Evren Imre, Aydin A. Alatan, and Thomas Sikora
A Geometric Segmentation Approach for the 3D Reconstruction of Dynamic Scenes in 2D Video Sequences
14th European Signal Processing Conference (EUSIPCO 2006), Florence, Italy, September 4—8, 2006.

 

Sebastian Knorr, Evren Imre, Burak Özkalayci, A. Aydin Alatan, and Thomas Sikora
A Modular Scheme for 2D/3D Conversion of TV Broadcast
3rd International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT’06), Chapel Hill, USA, June 14—16, 2006.

 

Evren Imre, Sebastian Knorr, Aydin A. Alatan, and Thomas Sikora
Dinamik Sahneler için Önceliklendirilmis 3B Geriçatim
SIU 2006, Antalya, Turkey, April 17-19, 2006.

 

Engin Tola, Sebastian Knorr, Evren Imre, Aydin A. Alatan, and Thomas Sikora
Structure from Motion in Dynamic Scenes with Multiple Motions
2nd Workshop On Immersive Communication And Broadcast Systems (ICOB ‚05), Berlin, Germany, October 27-28, 2005.

 

Sebastian Knorr, Carsten Clemens, Matthias Kunter, and Thomas Sikora
Robust Concealment for Erroneous Block Bursts in Stereoscopic Images
2nd International Symposium on 3D Data Processing, Visualization, and Transmission (3DPVT‘04), Thessaloniki, Greece, September 6-9, 2004.

 

Matthias Kunter, Sebastian Knorr, Carsten Clemens, and Thomas Sikora,
A Gradient Based Approach for Stereoscopic Error Concealment
IEEE Int. Conf. on Image Processing (ICIP‘04), Singapore, Oct. 24-27, 2004.

 

Carsten Clemens, Matthias Kunter, Sebastian Knorr and Thomas Sikora
A Hybrid Approach for Error Concealment in Stereoscopic Images
35th International Workshop on Image Analysis for Multimedia Interactive Services, Lisbon, Potugal, April 21-23, 2004.

 

Invited Lectures, Tutorials & Keynotes

Sebastian Knorr, Creation of 360° Light Fields using Concentric Mosaics with Varying Slit Widths, European Light Field Imaging Workshop, Borovets, Bulgaria, June 4-6, 2019.

 

Sebastian Knorr, Director's Cut - Similarity Measures for Storytelling in Cinematic VR Content, BEYOND Festival, Karlsruhe, Germany, Oct. 4-7, 2018.

 

Sebastian Knorr, Tutorial on: 360° Live-Action Content Production – Challenges, Limitations and Current State of the Art, 3DTV-CON, Stockholm & Helsinki, June 3-5, 2018.

 

Sebastian Knorr, V-SENSE - Free Viewpoint Video and Quality Control in Cinematic VR, International Conference and Exhibition on Visual Entertainment, Beijing, China, Nov. 16-17, 2017.


Sebastian Knorr, From Hybrid 3D to Hybrid VR, 1st Chinese and American VR Film Workshop, Jan. 14, 2016.


Sebastian Knorr, 360° Live-Action Panorama Creation – Challenges, Limitations and Current State of the Art, AIS China, Dec. 7—8, 2015.


Sebastian Knorr, What makes the difference between a “good” and a “quick & dirty” 2D-3D Conversion?, 1st Silk Road international Film Festival, Oct. 22—23, 2014.


Sebastian Knorr, What makes the difference between a “good” and a “bad” 2D-3D Conversion?, 3Tec – Quality & Technology Summit, April 18—19, 2014.


Sebastian Knorr, Why so many movies and parts of movies need conversion, MipTV, Palais des Festivals, Cannes, France, April 4, 2012.


Sebastian Knorr, High-quality 2D to 3D Conversion of Feature Films, EMC^2, The Future of 3D Media, Berlin, Germany, Nov. 14, 2011.


Sebastian Knorr, 2D-to-3D conversion and basic rules for good 3D, MEDIA-TECH Showcase & Conference, Hamburg, Germany, May 3-4, 2011.


Sebastian Knorr, 2D-to-3D conversion: market overview, conversion workflow and basic rules for good 3D, MEDIA-TECH Showcase & Conference Asia, Grand Hyatt Macau, China, March 15-16, 2011.


Sebastian Knorr, Überblick über aktuelle Verfahren zur 2D-3D-Filmkonvertierung, Fachtagung der FKTG: Film und Fernsehen - zwischen 3D u. 4G, Fernseh- und Kinotechnische Gesellschaft e.V., 2010.


Sebastian Knorr, Automatic 2D/3D-Conversion with Super-Resolution Capability for Advanced 3DTV-Systems, Dimension3 Expo, Chalon-sur-Saone, France, June 3-5, 2008.


Sebastian Knorr, Super-Resolution Stereoscopic- and Multi-View Synthesis for Advanced 3DTV-Systems, S3D-Basics+ Conference, Berlin, Germany, Aug. 28-29, 2007.


Sebastian Knorr, From 2D- to Stereo- to Multi-view Video, 2nd general 3DTV meeting, Bodrum, Turkey, May 11-12, 2007.


Sebastian Knorr, Polar Rectification for any Camera Motion, 3rd general VISNET meeting, Lausanne, Switzerland, February 7-9, 2005.


Sebastian Knorr, Stereoscopic 3D from Monocular Sequences of Static Scenes, 2nd general VISNET meeting, Berlin, Germany, July 12-14, 2004.


Sebastian Knorr, Robust Concealment for Erroneous Block Bursts in Stereoscopic Images, Workshop on Laser-based 3D Reconstruction Techniques, Joint Research Centre, Ispra, Italy, June 7-11, 2004.


Sebastian Knorr, 2D/3D-Conversion, 1st general VISNET meeting, Barcelona, Spain, Febr. 23-24, 2004.