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 Christian Siegl

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Average citations per article1.62
Citation Count21
Publication count13
Publication years2008-2016
Available for download6
Average downloads per article279.17
Downloads (cumulative)1,675
Downloads (12 Months)539
Downloads (6 Weeks)41
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13 results found Export Results: bibtexendnoteacmrefcsv

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1 published by ACM
November 2016 SA '16: SIGGRAPH ASIA 2016 Emerging Technologies
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 2,   Downloads (12 Months): 99,   Downloads (Overall): 166

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Creating digitals assets, especially surface textures is a tedious, and often unintuitive task. We built a fun to use, interactive projection-mapping system that aims to simplify this process.
Keywords: mixed reality, projection mapping, 3D interaction

2 published by ACM
November 2016 SA '16: SIGGRAPH ASIA 2016 Technical Briefs
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 5,   Downloads (12 Months): 55,   Downloads (Overall): 87

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Projection based mixed-reality is an effective tool to create immersive visualizations on real-world objects. This is used in a wide range of applications like art-installations, education, stage shows and advertising. In this work, we enhance a multi-projector system for dynamic projection mapping, by handling various physical stray-light effects: interreflection, projector ...
Keywords: interreflection, environment light, mixed reality, multi-projector, projection mapping, real-time

3 published by ACM
November 2016 SA '16: SIGGRAPH ASIA 2016 Technical Briefs
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 4,   Downloads (12 Months): 87,   Downloads (Overall): 125

Full text available: PDFPDF
We present a novel approach to mesh deformation that enables simple context sensitive manipulation of 3D geometry. The method is based on locally anisotropic scaling. This allows an intuitive directional modeling within an easy to implement framework. The proposed method ideally complements current intuitive sculpting paradigms by further possibilities of ...
Keywords: ARAP deformation/parameterization, directional sculpting, anisotropic modeling, compressive garments

4
May 2016 GraDiFab '16: Proceedings of the Eurographics Workshop on Graphics for Digital Fabrication
Publisher: Eurographics Association
Bibliometrics:
Citation Count: 0

We present a novel method to express base layer and compression garments directly coupled to a human body geometry. Our system enables the transfer of a previously defined patch configuration from a virtual template avatar to arbitrary input bodies. A complete pipeline for the virtual development of second skin garments ...

5 published by ACM
November 2015 Journal on Computing and Cultural Heritage (JOCCH): Volume 9 Issue 1, February 2016
Publisher: ACM
Bibliometrics:
Citation Count: 1
Downloads (6 Weeks): 8,   Downloads (12 Months): 81,   Downloads (Overall): 346

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The 3D reconstruction of archeological sites is still an expensive and time-consuming task. In this article, we present a novel interactive, low-cost approach to 3D reconstruction and compare it to a standard photogrammetry pipeline based on high-resolution photographs. Our novel real-time reconstruction pipeline is based on a low-cost, consumer-level hand-held ...
Keywords: representation and manipulation, tools for reconstruction and processing of digital representations, 3D digital artifact capture

6 published by ACM
October 2015 ACM Transactions on Graphics (TOG) - Proceedings of ACM SIGGRAPH Asia 2015: Volume 34 Issue 6, November 2015
Publisher: ACM
Bibliometrics:
Citation Count: 9
Downloads (6 Weeks): 20,   Downloads (12 Months): 215,   Downloads (Overall): 608

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Using projection mapping enables us to bring virtual worlds into shared physical spaces. In this paper, we present a novel, adaptable and real-time projection mapping system, which supports multiple projectors and high quality rendering of dynamic content on surfaces of complex geometrical shape. Our system allows for smooth blending across ...
Keywords: projection mapping, mixed reality, multi-projector

7
October 2014 GCH '14: Proceedings of the Eurographics Workshop on Graphics and Cultural Heritage
Publisher: Eurographics Association
Bibliometrics:
Citation Count: 0

In this paper, we present an end-to-end pipeline for the online reconstruction of large-scale outdoor environments and tightly confined indoor spaces using a low-cost consumer-level hand-held RGB-D sensor. While scanning, the user sees a live view of the current reconstruction, allowing him to intervene immediately and to adapt the sensor ...

8
December 2013 Computers and Graphics: Volume 37 Issue 8, December, 2013
Publisher: Pergamon Press, Inc.
Bibliometrics:
Citation Count: 0

Existing GPU antialiasing techniques, such as MSAA or MLAA, focus on reducing aliasing artifacts along silhouette boundaries or edges in image space. However, they neglect aliasing from shading in case of high-frequency geometric detail. This may lead to a shading aliasing artifact that resembles Bailey's Bead Phenomenon-the degradation of continuous ...
Keywords: Per-pixel linked lists, GPU, Antialiasing, Sampling

9
June 2010 IEEE Transactions on Signal Processing: Volume 58 Issue 6, June 2010
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0

One major drawback of orthogonal frequency-division multiplexing (OFDM) systems is the high peak-to-average power ratio (PAR) of the transmit signal. In order to overcome this problem, selected mapping (SLM) is a well known method for PAR reduction. In this paper, asymptotic performance analysis of SLM is carried out and a ...
Keywords: PAR, selected mapping, OFDM, reduction

10
November 2009 IEEE Transactions on Communications: Volume 57 Issue 11, November 2009
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0

Selected mapping (SLM) is a popular scheme for peak power reduction in orthogonal frequency-division multiplexing (OFDM) systems. In this letter, the performance of various versions of SLM, among them ordinary and directed SLM, in single- and multi-antenna point-to-point OFDM systems is assessed. Analytic expressions for the distribution of the PAR ...
Keywords: elected mapping, peak-to-average power ratio, OFDM, multi-antenna system

11
June 2009 ICC'09: Proceedings of the 2009 IEEE international conference on Communications
Publisher: IEEE Press
Bibliometrics:
Citation Count: 0

A successive scheme for PAR reduction in (MIMO/ SISO) OFDM is presented, where K (parallel/consecutive) OFDM frames are treated jointly. Employing Reed-Solomon codes further candidate OFDM frames are generated and assessed successively; the currently best K are selected for possible transmission. The procedure stops if (i) all K best frames ...

12
April 2009 IEEE Transactions on Information Theory: Volume 55 Issue 4, April 2009
Publisher: IEEE Press
Bibliometrics:
Citation Count: 5

New schemes for peak-to-average power ratio reduction in orthogonal frequency-division multiplexing (OFDM) systems are proposed. Reed-Solomon (RS) and simplex codes are employed to create a number of candidates, from which the best are selected. Thereby, in contrast to existing approaches, the codes are arranged over a number of OFDM frames ...
Keywords: Reed–Solomon (RS) code, peak-to-average power ratio (PAR) reduction, simplex code, Orthogonal frequency-division multiplexing (OFDM), orthogonal frequency-division multiplexing (OFDM), Reed-Solomon (RS) code

13
January 2008 EURASIP Journal on Wireless Communications and Networking - Multicarrier Systems: Volume 2008, January 2008
Publisher: Hindawi Limited
Bibliometrics:
Citation Count: 6
Downloads (6 Weeks): 0,   Downloads (12 Months): 2,   Downloads (Overall): 343

Full text available: PDFPDF
The major drawback of orthogonal frequency-division multiplexing (OFDM) is its high peak-to-average power ratio (PAR), which gets even more substantial if a transmitter with multiple antennas is considered. To overcome this problem, in this paper, the partial transmit sequences (PTS) method--well known for PAR reduction in single antenna systems--is studied ...



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