--- _id: '5558' abstract: - lang: eng text: PhD thesis LaTeX source code article_processing_charge: No author: - first_name: Morten full_name: Bojsen-Hansen, Morten id: 439F0C8C-F248-11E8-B48F-1D18A9856A87 last_name: Bojsen-Hansen orcid: 0000-0002-4417-3224 citation: ama: Bojsen-Hansen M. Tracking, Correcting and Absorbing Water Surface Waves. 2016. doi:10.15479/AT:ISTA:48 apa: Bojsen-Hansen, M. (2016). Tracking, Correcting and Absorbing Water Surface Waves. Institute of Science and Technology Austria. https://doi.org/10.15479/AT:ISTA:48 chicago: Bojsen-Hansen, Morten. “Tracking, Correcting and Absorbing Water Surface Waves.” Institute of Science and Technology Austria, 2016. https://doi.org/10.15479/AT:ISTA:48. ieee: M. Bojsen-Hansen, “Tracking, Correcting and Absorbing Water Surface Waves.” Institute of Science and Technology Austria, 2016. ista: Bojsen-Hansen M. 2016. Tracking, Correcting and Absorbing Water Surface Waves, Institute of Science and Technology Austria, 10.15479/AT:ISTA:48. mla: Bojsen-Hansen, Morten. Tracking, Correcting and Absorbing Water Surface Waves. Institute of Science and Technology Austria, 2016, doi:10.15479/AT:ISTA:48. short: M. Bojsen-Hansen, (2016). datarep_id: '48' date_created: 2018-12-12T12:31:31Z date_published: 2016-09-23T00:00:00Z date_updated: 2024-02-21T13:50:48Z day: '23' ddc: - '004' department: - _id: ChWo doi: 10.15479/AT:ISTA:48 file: - access_level: open_access checksum: 5b1b256ad796fbddb4b7729f5e45e444 content_type: application/x-bzip2 creator: system date_created: 2018-12-12T13:02:18Z date_updated: 2020-07-14T12:47:02Z file_id: '5589' file_name: IST-2016-48-v1+1_2016_Bojsen-Hansen_TCaAWSW.tar.bz2 file_size: 55237885 relation: main_file file_date_updated: 2020-07-14T12:47:02Z has_accepted_license: '1' month: '09' oa: 1 oa_version: Published Version publisher: Institute of Science and Technology Austria publist_id: '6238' pubrep_id: '640' related_material: record: - id: '1122' relation: other status: public status: public title: Tracking, Correcting and Absorbing Water Surface Waves tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: research_data user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 year: '2016' ... --- _id: '1634' abstract: - lang: eng text: Simulating the delightful dynamics of soap films, bubbles, and foams has traditionally required the use of a fully three-dimensional many-phase Navier-Stokes solver, even though their visual appearance is completely dominated by the thin liquid surface. We depart from earlier work on soap bubbles and foams by noting that their dynamics are naturally described by a Lagrangian vortex sheet model in which circulation is the primary variable. This leads us to derive a novel circulation-preserving surface-only discretization of foam dynamics driven by surface tension on a non-manifold triangle mesh. We represent the surface using a mesh-based multimaterial surface tracker which supports complex bubble topology changes, and evolve the surface according to the ambient air flow induced by a scalar circulation field stored on the mesh. Surface tension forces give rise to a simple update rule for circulation, even at non-manifold Plateau borders, based on a discrete measure of signed scalar mean curvature. We further incorporate vertex constraints to enable the interaction of soap films with wires. The result is a method that is at once simple, robust, and efficient, yet able to capture an array of soap films behaviors including foam rearrangement, catenoid collapse, blowing bubbles, and double bubbles being pulled apart. article_number: '149' author: - first_name: Fang full_name: Da, Fang last_name: Da - first_name: Christopher full_name: Batty, Christopher last_name: Batty - first_name: Christopher J full_name: Wojtan, Christopher J id: 3C61F1D2-F248-11E8-B48F-1D18A9856A87 last_name: Wojtan orcid: 0000-0001-6646-5546 - first_name: Eitan full_name: Grinspun, Eitan last_name: Grinspun citation: ama: 'Da F, Batty C, Wojtan C, Grinspun E. Double bubbles sans toil and trouble: discrete circulation-preserving vortex sheets for soap films and foams. In: Vol 34. ACM; 2015. doi:10.1145/2767003' apa: 'Da, F., Batty, C., Wojtan, C., & Grinspun, E. (2015). Double bubbles sans toil and trouble: discrete circulation-preserving vortex sheets for soap films and foams (Vol. 34). Presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, United States: ACM. https://doi.org/10.1145/2767003' chicago: 'Da, Fang, Christopher Batty, Chris Wojtan, and Eitan Grinspun. “Double Bubbles sans Toil and Trouble: Discrete Circulation-Preserving Vortex Sheets for Soap Films and Foams,” Vol. 34. ACM, 2015. https://doi.org/10.1145/2767003.' ieee: 'F. Da, C. Batty, C. Wojtan, and E. Grinspun, “Double bubbles sans toil and trouble: discrete circulation-preserving vortex sheets for soap films and foams,” presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, United States, 2015, vol. 34, no. 4.' ista: 'Da F, Batty C, Wojtan C, Grinspun E. 2015. Double bubbles sans toil and trouble: discrete circulation-preserving vortex sheets for soap films and foams. SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques vol. 34, 149.' mla: 'Da, Fang, et al. Double Bubbles sans Toil and Trouble: Discrete Circulation-Preserving Vortex Sheets for Soap Films and Foams. Vol. 34, no. 4, 149, ACM, 2015, doi:10.1145/2767003.' short: F. Da, C. Batty, C. Wojtan, E. Grinspun, in:, ACM, 2015. conference: end_date: 2015-08-13 location: Los Angeles, CA, United States name: 'SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques' start_date: 2015-08-09 date_created: 2018-12-11T11:53:09Z date_published: 2015-07-27T00:00:00Z date_updated: 2023-02-23T10:07:42Z day: '27' ddc: - '000' department: - _id: ChWo doi: 10.1145/2767003 ec_funded: 1 file: - access_level: open_access checksum: 57b07d78d2d612a8052744b37d4a71fa content_type: application/pdf creator: system date_created: 2018-12-12T10:11:14Z date_updated: 2020-07-14T12:45:07Z file_id: '4867' file_name: IST-2016-608-v1+1_doublebubbles.pdf file_size: 8973215 relation: main_file file_date_updated: 2020-07-14T12:45:07Z has_accepted_license: '1' intvolume: ' 34' issue: '4' language: - iso: eng month: '07' oa: 1 oa_version: Submitted Version project: - _id: 2533E772-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '638176' name: Efficient Simulation of Natural Phenomena at Extremely Large Scales publication_status: published publisher: ACM publist_id: '5521' pubrep_id: '608' quality_controlled: '1' scopus_import: 1 status: public title: 'Double bubbles sans toil and trouble: discrete circulation-preserving vortex sheets for soap films and foams' type: conference user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2015' ... --- _id: '1632' abstract: - lang: eng text: "This paper presents a liquid simulation technique that enforces the incompressibility condition using a stream function solve instead of a pressure projection. Previous methods have used stream function techniques for the simulation of detailed single-phase flows, but a formulation for liquid simulation has proved elusive in part due to the free surface boundary conditions. In this paper, we introduce a stream function approach to liquid simulations with novel boundary conditions for free surfaces, solid obstacles, and solid-fluid coupling.\r\n\r\nAlthough our approach increases the dimension of the linear system necessary to enforce incompressibility, it provides interesting and surprising benefits. First, the resulting flow is guaranteed to be divergence-free regardless of the accuracy of the solve. Second, our free-surface boundary conditions guarantee divergence-free motion even in the un-simulated air phase, which enables two-phase flow simulation by only computing a single phase. We implemented this method using a variant of FLIP simulation which only samples particles within a narrow band of the liquid surface, and we illustrate the effectiveness of our method for detailed two-phase flow simulations with complex boundaries, detailed bubble interactions, and two-way solid-fluid coupling." acknowledgement: The first author was supported by a JSPS Postdoctoral Fellowship for Research Abroad. This work was also supported by the ERC projects ERC-2014-StG-637014 realFlow and ERC-2014- StG-638176 BigSplash. alternative_title: - ACM Transactions on Graphics article_number: '53' author: - first_name: Ryoichi full_name: Ando, Ryoichi last_name: Ando - first_name: Nils full_name: Thuerey, Nils last_name: Thuerey - first_name: Christopher J full_name: Wojtan, Christopher J id: 3C61F1D2-F248-11E8-B48F-1D18A9856A87 last_name: Wojtan orcid: 0000-0001-6646-5546 citation: ama: 'Ando R, Thuerey N, Wojtan C. A stream function solver for liquid simulations. In: Vol 34. ACM; 2015. doi:10.1145/2766935' apa: 'Ando, R., Thuerey, N., & Wojtan, C. (2015). A stream function solver for liquid simulations (Vol. 34). Presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, USA: ACM. https://doi.org/10.1145/2766935' chicago: Ando, Ryoichi, Nils Thuerey, and Chris Wojtan. “A Stream Function Solver for Liquid Simulations,” Vol. 34. ACM, 2015. https://doi.org/10.1145/2766935. ieee: 'R. Ando, N. Thuerey, and C. Wojtan, “A stream function solver for liquid simulations,” presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, USA, 2015, vol. 34, no. 4.' ista: 'Ando R, Thuerey N, Wojtan C. 2015. A stream function solver for liquid simulations. SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, ACM Transactions on Graphics, vol. 34, 53.' mla: Ando, Ryoichi, et al. A Stream Function Solver for Liquid Simulations. Vol. 34, no. 4, 53, ACM, 2015, doi:10.1145/2766935. short: R. Ando, N. Thuerey, C. Wojtan, in:, ACM, 2015. conference: end_date: 2015-08-13 location: Los Angeles, CA, USA name: 'SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques' start_date: 2015-08-09 date_created: 2018-12-11T11:53:09Z date_published: 2015-07-27T00:00:00Z date_updated: 2023-02-23T10:07:37Z day: '27' ddc: - '000' department: - _id: ChWo doi: 10.1145/2766935 file: - access_level: open_access checksum: 7a9afdfaba9209157ce19376e15bc90b content_type: application/pdf creator: system date_created: 2018-12-12T10:11:52Z date_updated: 2020-07-14T12:45:07Z file_id: '4909' file_name: IST-2016-610-v1+1_vecpotential.pdf file_size: 21831121 relation: main_file file_date_updated: 2020-07-14T12:45:07Z has_accepted_license: '1' intvolume: ' 34' issue: '4' language: - iso: eng month: '07' oa: 1 oa_version: Submitted Version publication_status: published publisher: ACM publist_id: '5523' pubrep_id: '610' quality_controlled: '1' scopus_import: 1 status: public title: A stream function solver for liquid simulations type: conference user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2015' ... --- _id: '1630' abstract: - lang: eng text: We present a method to learn and propagate shape placements in 2D polygonal scenes from a few examples provided by a user. The placement of a shape is modeled as an oriented bounding box. Simple geometric relationships between this bounding box and nearby scene polygons define a feature set for the placement. The feature sets of all example placements are then used to learn a probabilistic model over all possible placements and scenes. With this model, we can generate a new set of placements with similar geometric relationships in any given scene. We introduce extensions that enable propagation and generation of shapes in 3D scenes, as well as the application of a learned modeling session to large scenes without additional user interaction. These concepts allow us to generate complex scenes with thousands of objects with relatively little user interaction. acknowledgement: This publication is based upon work supported by the KAUST Office of Competitive Research Funds (OCRF) under Award No. 62140401, the KAUST Visual Computing Center and the Austrian Science Fund (FWF) projects DEEP PICTURES (no. P24352-N23) and Data-Driven Procedural Modeling of Interiors (no. P24600-N23). article_number: '108' author: - first_name: Paul full_name: Guerrero, Paul last_name: Guerrero - first_name: Stefan full_name: Jeschke, Stefan id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke - first_name: Michael full_name: Wimmer, Michael last_name: Wimmer - first_name: Peter full_name: Wonka, Peter last_name: Wonka citation: ama: 'Guerrero P, Jeschke S, Wimmer M, Wonka P. Learning shape placements by example. In: Vol 34. ACM; 2015. doi:10.1145/2766933' apa: 'Guerrero, P., Jeschke, S., Wimmer, M., & Wonka, P. (2015). Learning shape placements by example (Vol. 34). Presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, United States: ACM. https://doi.org/10.1145/2766933' chicago: Guerrero, Paul, Stefan Jeschke, Michael Wimmer, and Peter Wonka. “Learning Shape Placements by Example,” Vol. 34. ACM, 2015. https://doi.org/10.1145/2766933. ieee: 'P. Guerrero, S. Jeschke, M. Wimmer, and P. Wonka, “Learning shape placements by example,” presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, United States, 2015, vol. 34, no. 4.' ista: 'Guerrero P, Jeschke S, Wimmer M, Wonka P. 2015. Learning shape placements by example. SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques vol. 34, 108.' mla: Guerrero, Paul, et al. Learning Shape Placements by Example. Vol. 34, no. 4, 108, ACM, 2015, doi:10.1145/2766933. short: P. Guerrero, S. Jeschke, M. Wimmer, P. Wonka, in:, ACM, 2015. conference: end_date: 2015-08-13 location: Los Angeles, CA, United States name: 'SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques' start_date: 2015-08-09 date_created: 2018-12-11T11:53:08Z date_published: 2015-07-27T00:00:00Z date_updated: 2021-01-12T06:52:07Z day: '27' ddc: - '000' department: - _id: ChWo doi: 10.1145/2766933 file: - access_level: open_access checksum: 8b05a51e372c9b0b5af9a00098a9538b content_type: application/pdf creator: system date_created: 2018-12-12T10:07:49Z date_updated: 2020-07-14T12:45:07Z file_id: '4647' file_name: IST-2016-576-v1+1_guerrero-2015-lsp-paper.pdf file_size: 11902290 relation: main_file file_date_updated: 2020-07-14T12:45:07Z has_accepted_license: '1' intvolume: ' 34' issue: '4' language: - iso: eng month: '07' oa: 1 oa_version: Submitted Version project: - _id: 25357BD2-B435-11E9-9278-68D0E5697425 call_identifier: FWF grant_number: P 24352-N23 name: 'Deep Pictures: Creating Visual and Haptic Vector Images' publication_status: published publisher: ACM publist_id: '5525' pubrep_id: '576' quality_controlled: '1' scopus_import: 1 status: public title: Learning shape placements by example type: conference user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2015' ... --- _id: '1735' abstract: - lang: eng text: This work presents a method for efficiently simplifying the pressure projection step in a liquid simulation. We first devise a straightforward dimension reduction technique that dramatically reduces the cost of solving the pressure projection. Next, we introduce a novel change of basis that satisfies free-surface boundary conditions exactly, regardless of the accuracy of the pressure solve. When combined, these ideas greatly reduce the computational complexity of the pressure solve without compromising free surface boundary conditions at the highest level of detail. Our techniques are easy to parallelize, and they effectively eliminate the computational bottleneck for large liquid simulations. acknowledgement: The first author was supported by a JSPS Postdoctoral Fellowship for Research Abroad author: - first_name: Ryoichi full_name: Ando, Ryoichi last_name: Ando - first_name: Nils full_name: Thürey, Nils last_name: Thürey - first_name: Christopher J full_name: Wojtan, Christopher J id: 3C61F1D2-F248-11E8-B48F-1D18A9856A87 last_name: Wojtan orcid: 0000-0001-6646-5546 citation: ama: Ando R, Thürey N, Wojtan C. A dimension-reduced pressure solver for liquid simulations. Computer Graphics Forum. 2015;34(2):473-480. doi:10.1111/cgf.12576 apa: Ando, R., Thürey, N., & Wojtan, C. (2015). A dimension-reduced pressure solver for liquid simulations. Computer Graphics Forum. Wiley. https://doi.org/10.1111/cgf.12576 chicago: Ando, Ryoichi, Nils Thürey, and Chris Wojtan. “A Dimension-Reduced Pressure Solver for Liquid Simulations.” Computer Graphics Forum. Wiley, 2015. https://doi.org/10.1111/cgf.12576. ieee: R. Ando, N. Thürey, and C. Wojtan, “A dimension-reduced pressure solver for liquid simulations,” Computer Graphics Forum, vol. 34, no. 2. Wiley, pp. 473–480, 2015. ista: Ando R, Thürey N, Wojtan C. 2015. A dimension-reduced pressure solver for liquid simulations. Computer Graphics Forum. 34(2), 473–480. mla: Ando, Ryoichi, et al. “A Dimension-Reduced Pressure Solver for Liquid Simulations.” Computer Graphics Forum, vol. 34, no. 2, Wiley, 2015, pp. 473–80, doi:10.1111/cgf.12576. short: R. Ando, N. Thürey, C. Wojtan, Computer Graphics Forum 34 (2015) 473–480. date_created: 2018-12-11T11:53:44Z date_published: 2015-05-01T00:00:00Z date_updated: 2023-02-23T10:12:11Z day: '01' ddc: - '000' department: - _id: ChWo doi: 10.1111/cgf.12576 file: - access_level: open_access checksum: 590752bf977855b337a80f78a9bc2404 content_type: application/pdf creator: system date_created: 2018-12-12T10:16:30Z date_updated: 2020-07-14T12:45:15Z file_id: '5218' file_name: IST-2016-607-v1+1_coarsegrid.pdf file_size: 6312352 relation: main_file file_date_updated: 2020-07-14T12:45:15Z has_accepted_license: '1' intvolume: ' 34' issue: '2' language: - iso: eng month: '05' oa: 1 oa_version: Submitted Version page: 473 - 480 publication: Computer Graphics Forum publication_status: published publisher: Wiley publist_id: '5389' pubrep_id: '607' quality_controlled: '1' scopus_import: 1 status: public title: A dimension-reduced pressure solver for liquid simulations type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2015' ... --- _id: '1814' abstract: - lang: eng text: 'We present an efficient wavefront tracking algorithm for animating bodies of water that interact with their environment. Our contributions include: a novel wavefront tracking technique that enables dispersion, refraction, reflection, and diffraction in the same simulation; a unique multivalued function interpolation method that enables our simulations to elegantly sidestep the Nyquist limit; a dispersion approximation for efficiently amplifying the number of simulated waves by several orders of magnitude; and additional extensions that allow for time-dependent effects and interactive artistic editing of the resulting animation. Our contributions combine to give us multitudes more wave details than similar algorithms, while maintaining high frame rates and allowing close camera zooms.' article_number: '27' author: - first_name: Stefan full_name: Jeschke, Stefan id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke - first_name: Christopher J full_name: Wojtan, Christopher J id: 3C61F1D2-F248-11E8-B48F-1D18A9856A87 last_name: Wojtan orcid: 0000-0001-6646-5546 citation: ama: Jeschke S, Wojtan C. Water wave animation via wavefront parameter interpolation. ACM Transactions on Graphics. 2015;34(3). doi:10.1145/2714572 apa: Jeschke, S., & Wojtan, C. (2015). Water wave animation via wavefront parameter interpolation. ACM Transactions on Graphics. ACM. https://doi.org/10.1145/2714572 chicago: Jeschke, Stefan, and Chris Wojtan. “Water Wave Animation via Wavefront Parameter Interpolation.” ACM Transactions on Graphics. ACM, 2015. https://doi.org/10.1145/2714572. ieee: S. Jeschke and C. Wojtan, “Water wave animation via wavefront parameter interpolation,” ACM Transactions on Graphics, vol. 34, no. 3. ACM, 2015. ista: Jeschke S, Wojtan C. 2015. Water wave animation via wavefront parameter interpolation. ACM Transactions on Graphics. 34(3), 27. mla: Jeschke, Stefan, and Chris Wojtan. “Water Wave Animation via Wavefront Parameter Interpolation.” ACM Transactions on Graphics, vol. 34, no. 3, 27, ACM, 2015, doi:10.1145/2714572. short: S. Jeschke, C. Wojtan, ACM Transactions on Graphics 34 (2015). date_created: 2018-12-11T11:54:09Z date_published: 2015-04-01T00:00:00Z date_updated: 2023-02-23T10:15:40Z day: '01' ddc: - '000' department: - _id: ChWo doi: 10.1145/2714572 ec_funded: 1 file: - access_level: open_access checksum: 67c9f4fa370def68cdf31299e48bc91f content_type: application/pdf creator: system date_created: 2018-12-12T10:12:15Z date_updated: 2020-07-14T12:45:17Z file_id: '4933' file_name: IST-2016-575-v1+1_wavefront_preprint.pdf file_size: 23712153 relation: main_file file_date_updated: 2020-07-14T12:45:17Z has_accepted_license: '1' intvolume: ' 34' issue: '3' language: - iso: eng month: '04' oa: 1 oa_version: Submitted Version project: - _id: 25357BD2-B435-11E9-9278-68D0E5697425 call_identifier: FWF grant_number: P 24352-N23 name: 'Deep Pictures: Creating Visual and Haptic Vector Images' - _id: 2533E772-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '638176' name: Efficient Simulation of Natural Phenomena at Extremely Large Scales publication: ACM Transactions on Graphics publication_status: published publisher: ACM publist_id: '5292' pubrep_id: '575' quality_controlled: '1' scopus_import: 1 status: public title: Water wave animation via wavefront parameter interpolation type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2015' ... --- _id: '1633' abstract: - lang: eng text: "We present a method for simulating brittle fracture under the assumptions of quasi-static linear elastic fracture mechanics (LEFM). Using the boundary element method (BEM) and Lagrangian crack-fronts, we produce highly detailed fracture surfaces. The computational cost of the BEM is alleviated by using a low-resolution mesh and interpolating the resulting stress intensity factors when propagating the high-resolution crack-front.\r\n\r\nOur system produces physics-based fracture surfaces with high spatial and temporal resolution, taking spatial variation of material toughness and/or strength into account. It also allows for crack initiation to be handled separately from crack propagation, which is not only more reasonable from a physics perspective, but can also be used to control the simulation.\r\n\r\nSeparating the resolution of the crack-front from the resolution of the computational mesh increases the efficiency and therefore the amount of visual detail on the resulting fracture surfaces. The BEM also allows us to re-use previously computed blocks of the system matrix." article_number: '151' author: - first_name: David full_name: Hahn, David id: 357A6A66-F248-11E8-B48F-1D18A9856A87 last_name: Hahn - first_name: Christopher J full_name: Wojtan, Christopher J id: 3C61F1D2-F248-11E8-B48F-1D18A9856A87 last_name: Wojtan orcid: 0000-0001-6646-5546 citation: ama: 'Hahn D, Wojtan C. High-resolution brittle fracture simulation with boundary elements. In: Vol 34. ACM; 2015. doi:10.1145/2766896' apa: 'Hahn, D., & Wojtan, C. (2015). High-resolution brittle fracture simulation with boundary elements (Vol. 34). Presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, United States: ACM. https://doi.org/10.1145/2766896' chicago: Hahn, David, and Chris Wojtan. “High-Resolution Brittle Fracture Simulation with Boundary Elements,” Vol. 34. ACM, 2015. https://doi.org/10.1145/2766896. ieee: 'D. Hahn and C. Wojtan, “High-resolution brittle fracture simulation with boundary elements,” presented at the SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques, Los Angeles, CA, United States, 2015, vol. 34, no. 4.' ista: 'Hahn D, Wojtan C. 2015. High-resolution brittle fracture simulation with boundary elements. SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques vol. 34, 151.' mla: Hahn, David, and Chris Wojtan. High-Resolution Brittle Fracture Simulation with Boundary Elements. Vol. 34, no. 4, 151, ACM, 2015, doi:10.1145/2766896. short: D. Hahn, C. Wojtan, in:, ACM, 2015. conference: end_date: 2015-08-13 location: Los Angeles, CA, United States name: 'SIGGRAPH: Special Interest Group on Computer Graphics and Interactive Techniques' start_date: 2015-08-09 date_created: 2018-12-11T11:53:09Z date_published: 2015-07-27T00:00:00Z date_updated: 2023-09-07T12:02:56Z day: '27' ddc: - '000' department: - _id: ChWo doi: 10.1145/2766896 ec_funded: 1 file: - access_level: open_access checksum: 955aee971983f6b6152bcc1c9b4a7c20 content_type: application/pdf creator: system date_created: 2018-12-12T10:15:13Z date_updated: 2020-07-14T12:45:07Z file_id: '5131' file_name: IST-2016-609-v1+1_FractureBEM.pdf file_size: 20154270 relation: main_file file_date_updated: 2020-07-14T12:45:07Z has_accepted_license: '1' intvolume: ' 34' issue: '4' language: - iso: eng month: '07' oa: 1 oa_version: Submitted Version project: - _id: 2533E772-B435-11E9-9278-68D0E5697425 call_identifier: H2020 grant_number: '638176' name: Efficient Simulation of Natural Phenomena at Extremely Large Scales publication_status: published publisher: ACM publist_id: '5522' pubrep_id: '609' quality_controlled: '1' related_material: record: - id: '839' relation: dissertation_contains status: public scopus_import: 1 status: public title: High-resolution brittle fracture simulation with boundary elements type: conference user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2015' ... --- _id: '1629' abstract: - lang: eng text: We propose a method for propagating edit operations in 2D vector graphics, based on geometric relationship functions. These functions quantify the geometric relationship of a point to a polygon, such as the distance to the boundary or the direction to the closest corner vertex. The level sets of the relationship functions describe points with the same relationship to a polygon. For a given query point, we first determine a set of relationships to local features, construct all level sets for these relationships, and accumulate them. The maxima of the resulting distribution are points with similar geometric relationships. We show extensions to handle mirror symmetries, and discuss the use of relationship functions as local coordinate systems. Our method can be applied, for example, to interactive floorplan editing, and it is especially useful for large layouts, where individual edits would be cumbersome. We demonstrate populating 2D layouts with tens to hundreds of objects by propagating relatively few edit operations. article_number: '15' author: - first_name: Paul full_name: Guerrero, Paul last_name: Guerrero - first_name: Stefan full_name: Jeschke, Stefan id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke - first_name: Michael full_name: Wimmer, Michael last_name: Wimmer - first_name: Peter full_name: Wonka, Peter last_name: Wonka citation: ama: Guerrero P, Jeschke S, Wimmer M, Wonka P. Edit propagation using geometric relationship functions. ACM Transactions on Graphics. 2014;33(2). doi:10.1145/2591010 apa: Guerrero, P., Jeschke, S., Wimmer, M., & Wonka, P. (2014). Edit propagation using geometric relationship functions. ACM Transactions on Graphics. ACM. https://doi.org/10.1145/2591010 chicago: Guerrero, Paul, Stefan Jeschke, Michael Wimmer, and Peter Wonka. “Edit Propagation Using Geometric Relationship Functions.” ACM Transactions on Graphics. ACM, 2014. https://doi.org/10.1145/2591010. ieee: P. Guerrero, S. Jeschke, M. Wimmer, and P. Wonka, “Edit propagation using geometric relationship functions,” ACM Transactions on Graphics, vol. 33, no. 2. ACM, 2014. ista: Guerrero P, Jeschke S, Wimmer M, Wonka P. 2014. Edit propagation using geometric relationship functions. ACM Transactions on Graphics. 33(2), 15. mla: Guerrero, Paul, et al. “Edit Propagation Using Geometric Relationship Functions.” ACM Transactions on Graphics, vol. 33, no. 2, 15, ACM, 2014, doi:10.1145/2591010. short: P. Guerrero, S. Jeschke, M. Wimmer, P. Wonka, ACM Transactions on Graphics 33 (2014). date_created: 2018-12-11T11:53:08Z date_published: 2014-03-01T00:00:00Z date_updated: 2021-01-12T06:52:06Z day: '01' ddc: - '000' department: - _id: ChWo doi: 10.1145/2591010 file: - access_level: open_access checksum: 7f91e588a4e888610313b98271e6418e content_type: application/pdf creator: system date_created: 2018-12-12T10:11:22Z date_updated: 2020-07-14T12:45:07Z file_id: '4876' file_name: IST-2016-577-v1+1_2014.TOG.Paul.EditingPropagation.final.pdf file_size: 9832561 relation: main_file file_date_updated: 2020-07-14T12:45:07Z has_accepted_license: '1' intvolume: ' 33' issue: '2' language: - iso: eng month: '03' oa: 1 oa_version: Submitted Version publication: ACM Transactions on Graphics publication_status: published publisher: ACM publist_id: '5526' pubrep_id: '577' quality_controlled: '1' status: public title: Edit propagation using geometric relationship functions type: journal_article user_id: 4435EBFC-F248-11E8-B48F-1D18A9856A87 volume: 33 year: '2014' ... --- _id: '1854' abstract: - lang: eng text: In this paper, we present a method for non-rigid, partial shape matching in vector graphics. Given a user-specified query region in a 2D shape, similar regions are found, even if they are non-linearly distorted. Furthermore, a non-linear mapping is established between the query regions and these matches, which allows the automatic transfer of editing operations such as texturing. This is achieved by a two-step approach. First, pointwise correspondences between the query region and the whole shape are established. The transformation parameters of these correspondences are registered in an appropriate transformation space. For transformations between similar regions, these parameters form surfaces in transformation space, which are extracted in the second step of our method. The extracted regions may be related to the query region by a non-rigid transform, enabling non-rigid shape matching. In this paper, we present a method for non-rigid, partial shape matching in vector graphics. Given a user-specified query region in a 2D shape, similar regions are found, even if they are non-linearly distorted. Furthermore, a non-linear mapping is established between the query regions and these matches, which allows the automatic transfer of editing operations such as texturing. This is achieved by a two-step approach. First, pointwise correspondences between the query region and the whole shape are established. The transformation parameters of these correspondences are registered in an appropriate transformation space. For transformations between similar regions, these parameters form surfaces in transformation space, which are extracted in the second step of our method. The extracted regions may be related to the query region by a non-rigid transform, enabling non-rigid shape matching. author: - first_name: Paul full_name: Guerrero, Paul last_name: Guerrero - first_name: Thomas full_name: Auzinger, Thomas id: 4718F954-F248-11E8-B48F-1D18A9856A87 last_name: Auzinger orcid: 0000-0002-1546-3265 - first_name: Michael full_name: Wimmer, Michael last_name: Wimmer - first_name: Stefan full_name: Jeschke, Stefan id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke citation: ama: Guerrero P, Auzinger T, Wimmer M, Jeschke S. Partial shape matching using transformation parameter similarity. Computer Graphics Forum. 2014;34(1):239-252. doi:10.1111/cgf.12509 apa: Guerrero, P., Auzinger, T., Wimmer, M., & Jeschke, S. (2014). Partial shape matching using transformation parameter similarity. Computer Graphics Forum. Wiley. https://doi.org/10.1111/cgf.12509 chicago: Guerrero, Paul, Thomas Auzinger, Michael Wimmer, and Stefan Jeschke. “Partial Shape Matching Using Transformation Parameter Similarity.” Computer Graphics Forum. Wiley, 2014. https://doi.org/10.1111/cgf.12509. ieee: P. Guerrero, T. Auzinger, M. Wimmer, and S. Jeschke, “Partial shape matching using transformation parameter similarity,” Computer Graphics Forum, vol. 34, no. 1. Wiley, pp. 239–252, 2014. ista: Guerrero P, Auzinger T, Wimmer M, Jeschke S. 2014. Partial shape matching using transformation parameter similarity. Computer Graphics Forum. 34(1), 239–252. mla: Guerrero, Paul, et al. “Partial Shape Matching Using Transformation Parameter Similarity.” Computer Graphics Forum, vol. 34, no. 1, Wiley, 2014, pp. 239–52, doi:10.1111/cgf.12509. short: P. Guerrero, T. Auzinger, M. Wimmer, S. Jeschke, Computer Graphics Forum 34 (2014) 239–252. date_created: 2018-12-11T11:54:22Z date_published: 2014-11-05T00:00:00Z date_updated: 2021-01-12T06:53:38Z day: '05' ddc: - '000' department: - _id: ChWo doi: 10.1111/cgf.12509 file: - access_level: open_access checksum: 91946bfc509c77f5fd3151a3ff2b2c8f content_type: application/pdf creator: system date_created: 2018-12-12T10:15:58Z date_updated: 2020-07-14T12:45:19Z file_id: '5182' file_name: IST-2016-574-v1+1_Guerrero-2014-TPS-paper.pdf file_size: 24817484 relation: main_file file_date_updated: 2020-07-14T12:45:19Z has_accepted_license: '1' intvolume: ' 34' issue: '1' language: - iso: eng month: '11' oa: 1 oa_version: Submitted Version page: 239 - 252 publication: Computer Graphics Forum publication_status: published publisher: Wiley publist_id: '5246' pubrep_id: '574' quality_controlled: '1' scopus_import: 1 status: public title: Partial shape matching using transformation parameter similarity type: journal_article user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87 volume: 34 year: '2014' ... --- _id: '1906' abstract: - lang: eng text: In this paper, we introduce a novel scene representation for the visualization of large-scale point clouds accompanied by a set of high-resolution photographs. Many real-world applications deal with very densely sampled point-cloud data, which are augmented with photographs that often reveal lighting variations and inaccuracies in registration. Consequently, the high-quality representation of the captured data, i.e., both point clouds and photographs together, is a challenging and time-consuming task. We propose a two-phase approach, in which the first (preprocessing) phase generates multiple overlapping surface patches and handles the problem of seamless texture generation locally for each patch. The second phase stitches these patches at render-time to produce a high-quality visualization of the data. As a result of the proposed localization of the global texturing problem, our algorithm is more than an order of magnitude faster than equivalent mesh-based texturing techniques. Furthermore, since our preprocessing phase requires only a minor fraction of the whole data set at once, we provide maximum flexibility when dealing with growing data sets. acknowledgement: This research was supported by the Austrian Research Promotion Agency (FFG) project REPLICATE (no. 835948), the EU FP7 project HARVEST4D (no. 323567). author: - first_name: Murat full_name: Arikan, Murat last_name: Arikan - first_name: Reinhold full_name: Preiner, Reinhold last_name: Preiner - first_name: Claus full_name: Scheiblauer, Claus last_name: Scheiblauer - first_name: Stefan full_name: Jeschke, Stefan id: 44D6411A-F248-11E8-B48F-1D18A9856A87 last_name: Jeschke - first_name: Michael full_name: Wimmer, Michael last_name: Wimmer citation: ama: Arikan M, Preiner R, Scheiblauer C, Jeschke S, Wimmer M. Large-scale point-cloud visualization through localized textured surface reconstruction. IEEE Transactions on Visualization and Computer Graphics. 2014;20(9):1280-1292. doi:10.1109/TVCG.2014.2312011 apa: Arikan, M., Preiner, R., Scheiblauer, C., Jeschke, S., & Wimmer, M. (2014). Large-scale point-cloud visualization through localized textured surface reconstruction. IEEE Transactions on Visualization and Computer Graphics. IEEE. https://doi.org/10.1109/TVCG.2014.2312011 chicago: Arikan, Murat, Reinhold Preiner, Claus Scheiblauer, Stefan Jeschke, and Michael Wimmer. “Large-Scale Point-Cloud Visualization through Localized Textured Surface Reconstruction.” IEEE Transactions on Visualization and Computer Graphics. IEEE, 2014. https://doi.org/10.1109/TVCG.2014.2312011. ieee: M. Arikan, R. Preiner, C. Scheiblauer, S. Jeschke, and M. Wimmer, “Large-scale point-cloud visualization through localized textured surface reconstruction,” IEEE Transactions on Visualization and Computer Graphics, vol. 20, no. 9. IEEE, pp. 1280–1292, 2014. ista: Arikan M, Preiner R, Scheiblauer C, Jeschke S, Wimmer M. 2014. Large-scale point-cloud visualization through localized textured surface reconstruction. IEEE Transactions on Visualization and Computer Graphics. 20(9), 1280–1292. mla: Arikan, Murat, et al. “Large-Scale Point-Cloud Visualization through Localized Textured Surface Reconstruction.” IEEE Transactions on Visualization and Computer Graphics, vol. 20, no. 9, IEEE, 2014, pp. 1280–92, doi:10.1109/TVCG.2014.2312011. short: M. Arikan, R. Preiner, C. Scheiblauer, S. Jeschke, M. Wimmer, IEEE Transactions on Visualization and Computer Graphics 20 (2014) 1280–1292. date_created: 2018-12-11T11:54:39Z date_published: 2014-09-09T00:00:00Z date_updated: 2021-01-12T06:53:59Z day: '09' ddc: - '000' department: - _id: ChWo doi: 10.1109/TVCG.2014.2312011 file: - access_level: open_access checksum: 5bf58942d2eb20adf03c7f9ea2e68124 content_type: application/pdf creator: system date_created: 2018-12-12T10:17:41Z date_updated: 2020-07-14T12:45:20Z file_id: '5297' file_name: IST-2016-573-v1+1_arikan-2014-pcvis-draft.pdf file_size: 13594598 relation: main_file file_date_updated: 2020-07-14T12:45:20Z has_accepted_license: '1' intvolume: ' 20' issue: '9' language: - iso: eng month: '09' oa: 1 oa_version: Submitted Version page: 1280 - 1292 project: - _id: 25357BD2-B435-11E9-9278-68D0E5697425 call_identifier: FWF grant_number: P 24352-N23 name: 'Deep Pictures: Creating Visual and Haptic Vector Images' publication: IEEE Transactions on Visualization and Computer Graphics publication_status: published publisher: IEEE publist_id: '5189' pubrep_id: '573' scopus_import: 1 status: public title: Large-scale point-cloud visualization through localized textured surface reconstruction type: journal_article user_id: 4435EBFC-F248-11E8-B48F-1D18A9856A87 volume: 20 year: '2014' ...