[{"month":"03","publication_identifier":{"eissn":["1557-7368"],"issn":["0730-0301"]},"isi":1,"quality_controlled":"1","external_id":{"arxiv":["2201.02374"],"isi":["001018739600002"]},"oa":1,"main_file_link":[{"url":"https://doi.org/10.48550/arXiv.2201.02374","open_access":"1"}],"language":[{"iso":"eng"}],"doi":"10.1145/3575859","article_number":"26","publication_status":"published","publisher":"Association for Computing Machinery","department":[{"_id":"BeBi"}],"year":"2023","acknowledgement":"This work was supported in part by grants from the NSFC (61972232), Science and Technology Program of Shenzhen, China (CJGJZD20200617102202007). ","date_created":"2023-07-23T22:01:13Z","date_updated":"2023-12-13T11:34:59Z","volume":42,"author":[{"full_name":"Zhong, Fanchao","last_name":"Zhong","first_name":"Fanchao"},{"last_name":"Xu","first_name":"Yonglai","full_name":"Xu, Yonglai"},{"full_name":"Zhao, Haisen","first_name":"Haisen","last_name":"Zhao","id":"fb7f793a-80d1-11eb-8869-d56e5b2a8ff4","orcid":"0000-0002-6389-1045"},{"full_name":"Lu, Lin","last_name":"Lu","first_name":"Lin"}],"scopus_import":"1","day":"17","article_processing_charge":"No","article_type":"original","publication":"ACM Transactions on Graphics","citation":{"mla":"Zhong, Fanchao, et al. “As-Continuous-As-Possible Extrusion-Based Fabrication of Surface Models.” ACM Transactions on Graphics, vol. 42, no. 3, 26, Association for Computing Machinery, 2023, doi:10.1145/3575859.","short":"F. Zhong, Y. Xu, H. Zhao, L. Lu, ACM Transactions on Graphics 42 (2023).","chicago":"Zhong, Fanchao, Yonglai Xu, Haisen Zhao, and Lin Lu. “As-Continuous-As-Possible Extrusion-Based Fabrication of Surface Models.” ACM Transactions on Graphics. Association for Computing Machinery, 2023. https://doi.org/10.1145/3575859.","ama":"Zhong F, Xu Y, Zhao H, Lu L. As-Continuous-As-Possible extrusion-based fabrication of surface models. ACM Transactions on Graphics. 2023;42(3). doi:10.1145/3575859","ista":"Zhong F, Xu Y, Zhao H, Lu L. 2023. As-Continuous-As-Possible extrusion-based fabrication of surface models. ACM Transactions on Graphics. 42(3), 26.","apa":"Zhong, F., Xu, Y., Zhao, H., & Lu, L. (2023). As-Continuous-As-Possible extrusion-based fabrication of surface models. ACM Transactions on Graphics. Association for Computing Machinery. https://doi.org/10.1145/3575859","ieee":"F. Zhong, Y. Xu, H. Zhao, and L. Lu, “As-Continuous-As-Possible extrusion-based fabrication of surface models,” ACM Transactions on Graphics, vol. 42, no. 3. Association for Computing Machinery, 2023."},"date_published":"2023-03-17T00:00:00Z","type":"journal_article","abstract":[{"text":"In this study, we propose a computational framework for optimizing the continuity of the toolpath in fabricating surface models on an extrusion-based 3D printer. Toolpath continuity is a critical issue that influences both the quality and the efficiency of extrusion-based fabrication. Transfer moves lead to rough and bumpy surfaces, where this phenomenon worsens for materials with large viscosity, like clay. The effects of continuity on the surface models are even more severe in terms of the quality of the surface and the stability of the model. We introduce a criterion called the one–path patch (OPP) to represent a patch on the surface of the shell that can be traversed along one path by considering the constraints on fabrication. We study the properties of the OPPs and their merging operations to propose a bottom-up OPP merging procedure to decompose the given shell surface into a minimal number of OPPs, and to generate the “as-continuous-as-possible” (ACAP) toolpath. Furthermore, we augment the path planning algorithm with a curved-layer printing scheme that reduces staircase defects and improves the continuity of the toolpath by connecting multiple segments. We evaluated the ACAP algorithm on ceramic and thermoplastic materials, and the results showed that it improves the fabrication of surface models in terms of both efficiency and surface quality.","lang":"eng"}],"issue":"3","status":"public","title":"As-Continuous-As-Possible extrusion-based fabrication of surface models","intvolume":" 42","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"13265","oa_version":"Preprint"},{"abstract":[{"lang":"eng","text":"Three-dimensional (3D) reconstruction of living brain tissue down to an individual synapse level would create opportunities for decoding the dynamics and structure–function relationships of the brain’s complex and dense information processing network; however, this has been hindered by insufficient 3D resolution, inadequate signal-to-noise ratio and prohibitive light burden in optical imaging, whereas electron microscopy is inherently static. Here we solved these challenges by developing an integrated optical/machine-learning technology, LIONESS (live information-optimized nanoscopy enabling saturated segmentation). This leverages optical modifications to stimulated emission depletion microscopy in comprehensively, extracellularly labeled tissue and previous information on sample structure via machine learning to simultaneously achieve isotropic super-resolution, high signal-to-noise ratio and compatibility with living tissue. This allows dense deep-learning-based instance segmentation and 3D reconstruction at a synapse level, incorporating molecular, activity and morphodynamic information. LIONESS opens up avenues for studying the dynamic functional (nano-)architecture of living brain tissue."}],"type":"journal_article","oa_version":"Published Version","intvolume":" 20","title":"Dense 4D nanoscale reconstruction of living brain tissue","status":"public","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","_id":"13267","article_processing_charge":"Yes","day":"01","scopus_import":"1","date_published":"2023-08-01T00:00:00Z","page":"1256-1265","article_type":"original","citation":{"ista":"Velicky P, Miguel Villalba E, Michalska JM, Lyudchik J, Wei D, Lin Z, Watson J, Troidl J, Beyer J, Ben Simon Y, Sommer CM, Jahr W, Cenameri A, Broichhagen J, Grant SGN, Jonas PM, Novarino G, Pfister H, Bickel B, Danzl JG. 2023. Dense 4D nanoscale reconstruction of living brain tissue. Nature Methods. 20, 1256–1265.","apa":"Velicky, P., Miguel Villalba, E., Michalska, J. M., Lyudchik, J., Wei, D., Lin, Z., … Danzl, J. G. (2023). Dense 4D nanoscale reconstruction of living brain tissue. Nature Methods. Springer Nature. https://doi.org/10.1038/s41592-023-01936-6","ieee":"P. Velicky et al., “Dense 4D nanoscale reconstruction of living brain tissue,” Nature Methods, vol. 20. Springer Nature, pp. 1256–1265, 2023.","ama":"Velicky P, Miguel Villalba E, Michalska JM, et al. Dense 4D nanoscale reconstruction of living brain tissue. Nature Methods. 2023;20:1256-1265. doi:10.1038/s41592-023-01936-6","chicago":"Velicky, Philipp, Eder Miguel Villalba, Julia M Michalska, Julia Lyudchik, Donglai Wei, Zudi Lin, Jake Watson, et al. “Dense 4D Nanoscale Reconstruction of Living Brain Tissue.” Nature Methods. Springer Nature, 2023. https://doi.org/10.1038/s41592-023-01936-6.","mla":"Velicky, Philipp, et al. “Dense 4D Nanoscale Reconstruction of Living Brain Tissue.” Nature Methods, vol. 20, Springer Nature, 2023, pp. 1256–65, doi:10.1038/s41592-023-01936-6.","short":"P. Velicky, E. Miguel Villalba, J.M. Michalska, J. Lyudchik, D. Wei, Z. Lin, J. Watson, J. Troidl, J. Beyer, Y. Ben Simon, C.M. Sommer, W. Jahr, A. Cenameri, J. Broichhagen, S.G.N. Grant, P.M. Jonas, G. Novarino, H. Pfister, B. Bickel, J.G. Danzl, Nature Methods 20 (2023) 1256–1265."},"publication":"Nature Methods","ec_funded":1,"volume":20,"date_updated":"2024-01-10T08:37:48Z","date_created":"2023-07-23T22:01:13Z","related_material":{"link":[{"relation":"software","url":"https://github.com/danzllab/LIONESS"}],"record":[{"status":"public","relation":"research_data","id":"12817"},{"status":"public","relation":"shorter_version","id":"14770"}]},"author":[{"full_name":"Velicky, Philipp","last_name":"Velicky","first_name":"Philipp","orcid":"0000-0002-2340-7431","id":"39BDC62C-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Miguel Villalba, Eder","orcid":"0000-0001-5665-0430","id":"3FB91342-F248-11E8-B48F-1D18A9856A87","last_name":"Miguel Villalba","first_name":"Eder"},{"full_name":"Michalska, Julia M","first_name":"Julia M","last_name":"Michalska","id":"443DB6DE-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-3862-1235"},{"full_name":"Lyudchik, Julia","id":"46E28B80-F248-11E8-B48F-1D18A9856A87","first_name":"Julia","last_name":"Lyudchik"},{"full_name":"Wei, Donglai","first_name":"Donglai","last_name":"Wei"},{"full_name":"Lin, Zudi","first_name":"Zudi","last_name":"Lin"},{"id":"63836096-4690-11EA-BD4E-32803DDC885E","orcid":"0000-0002-8698-3823","first_name":"Jake","last_name":"Watson","full_name":"Watson, Jake"},{"first_name":"Jakob","last_name":"Troidl","full_name":"Troidl, Jakob"},{"full_name":"Beyer, Johanna","last_name":"Beyer","first_name":"Johanna"},{"full_name":"Ben Simon, Yoav","id":"43DF3136-F248-11E8-B48F-1D18A9856A87","first_name":"Yoav","last_name":"Ben Simon"},{"first_name":"Christoph M","last_name":"Sommer","id":"4DF26D8C-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0003-1216-9105","full_name":"Sommer, Christoph M"},{"full_name":"Jahr, Wiebke","id":"425C1CE8-F248-11E8-B48F-1D18A9856A87","first_name":"Wiebke","last_name":"Jahr"},{"full_name":"Cenameri, Alban","first_name":"Alban","last_name":"Cenameri","id":"9ac8f577-2357-11eb-997a-e566c5550886"},{"full_name":"Broichhagen, Johannes","first_name":"Johannes","last_name":"Broichhagen"},{"last_name":"Grant","first_name":"Seth G.N.","full_name":"Grant, Seth G.N."},{"orcid":"0000-0001-5001-4804","id":"353C1B58-F248-11E8-B48F-1D18A9856A87","last_name":"Jonas","first_name":"Peter M","full_name":"Jonas, Peter M"},{"full_name":"Novarino, Gaia","id":"3E57A680-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-7673-7178","first_name":"Gaia","last_name":"Novarino"},{"full_name":"Pfister, Hanspeter","first_name":"Hanspeter","last_name":"Pfister"},{"full_name":"Bickel, Bernd","last_name":"Bickel","first_name":"Bernd","orcid":"0000-0001-6511-9385","id":"49876194-F248-11E8-B48F-1D18A9856A87"},{"full_name":"Danzl, Johann G","first_name":"Johann G","last_name":"Danzl","id":"42EFD3B6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8559-3973"}],"publisher":"Springer Nature","department":[{"_id":"PeJo"},{"_id":"GaNo"},{"_id":"BeBi"},{"_id":"JoDa"},{"_id":"Bio"}],"publication_status":"published","pmid":1,"year":"2023","acknowledgement":"We thank J. Vorlaufer, N. Agudelo and A. Wartak for microscope maintenance and troubleshooting, C. Kreuzinger and A. Freeman for technical assistance, M. Šuplata for hardware control support and M. Cunha dos Santos for initial exploration of software. We\r\nthank P. Henderson for advice on deep-learning training and M. Sixt, S. Boyd and T. Weiss for discussions and critical reading of the manuscript. L. Lavis (Janelia Research Campus) generously provided the JF585-HaloTag ligand. We acknowledge expert support by IST\r\nAustria’s scientific computing, imaging and optics, preclinical, library and laboratory support facilities and by the Miba machine shop. We gratefully acknowledge funding by the following sources: Austrian Science Fund (F.W.F.) grant no. I3600-B27 (J.G.D.), grant no. DK W1232\r\n(J.G.D. and J.M.M.) and grant no. Z 312-B27, Wittgenstein award (P.J.); the Gesellschaft für Forschungsförderung NÖ grant no. LSC18-022 (J.G.D.); an ISTA Interdisciplinary project grant (J.G.D. and B.B.); the European Union’s Horizon 2020 research and innovation programme,\r\nMarie-Skłodowska Curie grant 665385 (J.M.M. and J.L.); the European Union’s Horizon 2020 research and innovation programme, European Research Council grant no. 715767, MATERIALIZABLE (B.B.); grant no. 715508, REVERSEAUTISM (G.N.); grant no. 695568, SYNNOVATE (S.G.N.G.); and grant no. 692692, GIANTSYN (P.J.); the Simons\r\nFoundation Autism Research Initiative grant no. 529085 (S.G.N.G.); the Wellcome Trust Technology Development grant no. 202932 (S.G.N.G.); the Marie Skłodowska-Curie Actions Individual Fellowship no. 101026635 under the EU Horizon 2020 program (J.F.W.);\r\nthe Human Frontier Science Program postdoctoral fellowship LT000557/2018 (W.J.); and the National Science Foundation grant no. IIS-1835231 (H.P.) and NCS-FO-2124179 (H.P.).","publication_identifier":{"eissn":["1548-7105"],"issn":["1548-7091"]},"month":"08","language":[{"iso":"eng"}],"acknowledged_ssus":[{"_id":"ScienComp"},{"_id":"Bio"},{"_id":"PreCl"},{"_id":"E-Lib"},{"_id":"LifeSc"},{"_id":"M-Shop"}],"doi":"10.1038/s41592-023-01936-6","project":[{"_id":"265CB4D0-B435-11E9-9278-68D0E5697425","grant_number":"I03600","name":"Optical control of synaptic function via adhesion molecules","call_identifier":"FWF"},{"_id":"2548AE96-B435-11E9-9278-68D0E5697425","grant_number":"W1232-B24","name":"Molecular Drug Targets","call_identifier":"FWF"},{"grant_number":"Z00312","_id":"25C5A090-B435-11E9-9278-68D0E5697425","name":"The Wittgenstein Prize","call_identifier":"FWF"},{"name":"High content imaging to decode human immune cell interactions in health and allergic disease","_id":"23889792-32DE-11EA-91FC-C7463DDC885E"},{"grant_number":"665385","_id":"2564DBCA-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"International IST Doctoral Program"},{"grant_number":"715767","_id":"24F9549A-B435-11E9-9278-68D0E5697425","call_identifier":"H2020","name":"MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling"},{"_id":"25444568-B435-11E9-9278-68D0E5697425","grant_number":"715508","name":"Probing the Reversibility of Autism Spectrum Disorders by Employing in vivo and in vitro Models","call_identifier":"H2020"},{"grant_number":"692692","_id":"25B7EB9E-B435-11E9-9278-68D0E5697425","name":"Biophysics and circuit function of a giant cortical glumatergic synapse","call_identifier":"H2020"},{"grant_number":"101026635","_id":"fc2be41b-9c52-11eb-aca3-faa90aa144e9","call_identifier":"H2020","name":"Synaptic computations of the hippocampal CA3 circuitry"},{"name":"High-speed 3D-nanoscopy to study the role of adhesion during 3D cell migration","_id":"2668BFA0-B435-11E9-9278-68D0E5697425","grant_number":"LT00057"}],"quality_controlled":"1","isi":1,"oa":1,"external_id":{"isi":["001025621500001"],"pmid":["37429995"]},"main_file_link":[{"url":"https://doi.org/10.1038/s41592-023-01936-6","open_access":"1"}]},{"type":"conference","abstract":[{"lang":"eng","text":"A faithful reproduction of gloss is inherently difficult because of the limited dynamic range, peak luminance, and 3D capabilities of display devices. This work investigates how the display capabilities affect gloss appearance with respect to a real-world reference object. To this end, we employ an accurate imaging pipeline to achieve a perceptual gloss match between a virtual and real object presented side-by-side on an augmented-reality high-dynamic-range (HDR) stereoscopic display, which has not been previously attained to this extent. Based on this precise gloss reproduction, we conduct a series of gloss matching experiments to study how gloss perception degrades based on individual factors: object albedo, display luminance, dynamic range, stereopsis, and tone mapping. We support the study with a detailed analysis of individual factors, followed by an in-depth discussion on the observed perceptual effects. Our experiments demonstrate that stereoscopic presentation has a limited effect on the gloss matching task on our HDR display. However, both reduced luminance and dynamic range of the display reduce the perceived gloss. This means that the visual system cannot compensate for the changes in gloss appearance across luminance (lack of gloss constancy), and the tone mapping operator should be carefully selected when reproducing gloss on a low dynamic range (LDR) display."}],"_id":"14798","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","title":"The effect of display capabilities on the gloss consistency between real and virtual objects","status":"public","ddc":["000"],"file":[{"relation":"main_file","file_id":"14823","checksum":"8abe27432ed222b50d1af9b3388db1b0","success":1,"date_created":"2024-01-17T08:33:06Z","date_updated":"2024-01-17T08:33:06Z","access_level":"open_access","file_name":"2023_SA_Chen.pdf","content_type":"application/pdf","file_size":95967451,"creator":"dernst"}],"oa_version":"Published Version","scopus_import":"1","day":"10","article_processing_charge":"Yes (in subscription journal)","has_accepted_license":"1","publication":"Proceedings of the SIGGRAPH Asia 2023 Conference","citation":{"short":"B. Chen, A. Jindal, M. Piovarci, C. Wang, H.P. Seidel, P. Didyk, K. Myszkowski, A. Serrano, R.K. Mantiuk, in:, Proceedings of the SIGGRAPH Asia 2023 Conference, Association for Computing Machinery, 2023.","mla":"Chen, Bin, et al. “The Effect of Display Capabilities on the Gloss Consistency between Real and Virtual Objects.” Proceedings of the SIGGRAPH Asia 2023 Conference, 90, Association for Computing Machinery, 2023, doi:10.1145/3610548.3618226.","chicago":"Chen, Bin, Akshay Jindal, Michael Piovarci, Chao Wang, Hans Peter Seidel, Piotr Didyk, Karol Myszkowski, Ana Serrano, and Rafał K. Mantiuk. “The Effect of Display Capabilities on the Gloss Consistency between Real and Virtual Objects.” In Proceedings of the SIGGRAPH Asia 2023 Conference. Association for Computing Machinery, 2023. https://doi.org/10.1145/3610548.3618226.","ama":"Chen B, Jindal A, Piovarci M, et al. The effect of display capabilities on the gloss consistency between real and virtual objects. In: Proceedings of the SIGGRAPH Asia 2023 Conference. Association for Computing Machinery; 2023. doi:10.1145/3610548.3618226","ieee":"B. Chen et al., “The effect of display capabilities on the gloss consistency between real and virtual objects,” in Proceedings of the SIGGRAPH Asia 2023 Conference, Sydney, Australia, 2023.","apa":"Chen, B., Jindal, A., Piovarci, M., Wang, C., Seidel, H. P., Didyk, P., … Mantiuk, R. K. (2023). The effect of display capabilities on the gloss consistency between real and virtual objects. In Proceedings of the SIGGRAPH Asia 2023 Conference. Sydney, Australia: Association for Computing Machinery. https://doi.org/10.1145/3610548.3618226","ista":"Chen B, Jindal A, Piovarci M, Wang C, Seidel HP, Didyk P, Myszkowski K, Serrano A, Mantiuk RK. 2023. The effect of display capabilities on the gloss consistency between real and virtual objects. Proceedings of the SIGGRAPH Asia 2023 Conference. SIGGRAPH: Computer Graphics and Interactive Techniques Conference, 90."},"date_published":"2023-12-10T00:00:00Z","article_number":"90","file_date_updated":"2024-01-17T08:33:06Z","license":"https://creativecommons.org/licenses/by/4.0/","year":"2023","acknowledgement":"This work is supported by FWF Lise Meitner (Grant M 3319), Spanish Agencia Estatal de Investigación (project PID2022-141539NBI00), European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement\r\nN◦ 725253–EyeCode), Swiss National Science Foundation (Grant no. 200502), and academic gifts from Meta. We thank Dmitry Lubyako and Ali Özgür Yöntem for building the turntable for our experiment.","publication_status":"published","department":[{"_id":"BeBi"}],"publisher":"Association for Computing Machinery","author":[{"last_name":"Chen","first_name":"Bin","full_name":"Chen, Bin"},{"first_name":"Akshay","last_name":"Jindal","full_name":"Jindal, Akshay"},{"id":"62E473F4-5C99-11EA-A40E-AF823DDC885E","orcid":"0000-0002-5062-4474","first_name":"Michael","last_name":"Piovarci","full_name":"Piovarci, Michael"},{"last_name":"Wang","first_name":"Chao","full_name":"Wang, Chao"},{"full_name":"Seidel, Hans Peter","last_name":"Seidel","first_name":"Hans Peter"},{"last_name":"Didyk","first_name":"Piotr","full_name":"Didyk, Piotr"},{"full_name":"Myszkowski, Karol","first_name":"Karol","last_name":"Myszkowski"},{"full_name":"Serrano, Ana","last_name":"Serrano","first_name":"Ana"},{"full_name":"Mantiuk, Rafał K.","first_name":"Rafał K.","last_name":"Mantiuk"}],"date_created":"2024-01-14T23:00:57Z","date_updated":"2024-01-17T08:38:35Z","month":"12","publication_identifier":{"isbn":["9798400703157"]},"oa":1,"tmp":{"name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode","short":"CC BY (4.0)","image":"/images/cc_by.png"},"quality_controlled":"1","project":[{"name":"Perception-Aware Appearance Fabrication","grant_number":"M03319","_id":"eb901961-77a9-11ec-83b8-f5c883a62027"}],"conference":{"start_date":"2023-12-12","location":"Sydney, Australia","end_date":"2023-12-15","name":"SIGGRAPH: Computer Graphics and Interactive Techniques Conference"},"doi":"10.1145/3610548.3618226","language":[{"iso":"eng"}]},{"acknowledged_ssus":[{"_id":"M-Shop"}],"language":[{"iso":"eng"}],"conference":{"location":"Los Angeles, CA, United States","start_date":"2023-08-06","end_date":"2023-08-10","name":"SIGGRAPH: Computer Graphics and Interactive Techniques Conference"},"doi":"10.1145/3592411","quality_controlled":"1","isi":1,"project":[{"name":"MATERIALIZABLE: Intelligent fabrication-oriented Computational Design and Modeling","call_identifier":"H2020","grant_number":"715767","_id":"24F9549A-B435-11E9-9278-68D0E5697425"}],"external_id":{"isi":["001044671300108"]},"oa":1,"month":"07","publication_identifier":{"eissn":["1557-7368"],"issn":["0730-0301"]},"date_created":"2023-05-22T08:37:04Z","date_updated":"2024-01-29T10:30:49Z","volume":42,"author":[{"last_name":"Freire","first_name":"Marco","full_name":"Freire, Marco"},{"orcid":"0009-0007-6138-6890","id":"FF8FA64C-AA6A-11E9-99AD-50D4E5697425","last_name":"Bhargava","first_name":"Manas","full_name":"Bhargava, Manas"},{"id":"2B14B676-F248-11E8-B48F-1D18A9856A87","last_name":"Schreck","first_name":"Camille","full_name":"Schreck, Camille"},{"last_name":"Hugron","first_name":"Pierre-Alexandre","full_name":"Hugron, Pierre-Alexandre"},{"orcid":"0000-0001-6511-9385","id":"49876194-F248-11E8-B48F-1D18A9856A87","last_name":"Bickel","first_name":"Bernd","full_name":"Bickel, Bernd"},{"full_name":"Lefebvre, Sylvain","first_name":"Sylvain","last_name":"Lefebvre"}],"publication_status":"published","department":[{"_id":"GradSch"},{"_id":"BeBi"}],"publisher":"Association for Computing Machinery","year":"2023","acknowledgement":"We thank the reviewers for the valuable feedback. We also thank the Miba Machine Shop at ISTA, PCBWay, and PragoBoard for helping us with fabrication and assembly. This project was supported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 715767 – MATERIALIZABLE).","file_date_updated":"2023-06-20T12:20:51Z","ec_funded":1,"article_number":"142","date_published":"2023-07-26T00:00:00Z","article_type":"original","publication":"Transactions on Graphics","citation":{"short":"M. Freire, M. Bhargava, C. Schreck, P.-A. Hugron, B. Bickel, S. Lefebvre, Transactions on Graphics 42 (2023).","mla":"Freire, Marco, et al. “PCBend: Light up Your 3D Shapes with Foldable Circuit Boards.” Transactions on Graphics, vol. 42, no. 4, 142, Association for Computing Machinery, 2023, doi:10.1145/3592411.","chicago":"Freire, Marco, Manas Bhargava, Camille Schreck, Pierre-Alexandre Hugron, Bernd Bickel, and Sylvain Lefebvre. “PCBend: Light up Your 3D Shapes with Foldable Circuit Boards.” Transactions on Graphics. Association for Computing Machinery, 2023. https://doi.org/10.1145/3592411.","ama":"Freire M, Bhargava M, Schreck C, Hugron P-A, Bickel B, Lefebvre S. PCBend: Light up your 3D shapes with foldable circuit boards. Transactions on Graphics. 2023;42(4). doi:10.1145/3592411","ieee":"M. Freire, M. Bhargava, C. Schreck, P.-A. Hugron, B. Bickel, and S. Lefebvre, “PCBend: Light up your 3D shapes with foldable circuit boards,” Transactions on Graphics, vol. 42, no. 4. Association for Computing Machinery, 2023.","apa":"Freire, M., Bhargava, M., Schreck, C., Hugron, P.-A., Bickel, B., & Lefebvre, S. (2023). PCBend: Light up your 3D shapes with foldable circuit boards. Transactions on Graphics. Los Angeles, CA, United States: Association for Computing Machinery. https://doi.org/10.1145/3592411","ista":"Freire M, Bhargava M, Schreck C, Hugron P-A, Bickel B, Lefebvre S. 2023. PCBend: Light up your 3D shapes with foldable circuit boards. Transactions on Graphics. 42(4), 142."},"day":"26","has_accepted_license":"1","article_processing_charge":"No","keyword":["PCB design and layout","Mesh geometry models"],"oa_version":"Submitted Version","file":[{"content_type":"application/pdf","file_size":78940724,"creator":"dernst","file_name":"2023_ACMToG_Freire.pdf","access_level":"open_access","date_updated":"2023-06-19T11:02:23Z","date_created":"2023-06-19T11:02:23Z","checksum":"a0b0ba3b36f43a94388e8824613d812a","success":1,"relation":"main_file","file_id":"13156"},{"relation":"main_file","file_id":"13157","date_updated":"2023-06-20T12:20:51Z","date_created":"2023-06-20T12:20:51Z","checksum":"b9206bbb67af82df49b7e7cdbde3410c","success":1,"file_name":"2023_ACMToG_SuppMaterial_Freire.pdf","access_level":"open_access","content_type":"application/pdf","file_size":34345905,"creator":"dernst"}],"ddc":["006"],"title":"PCBend: Light up your 3D shapes with foldable circuit boards","status":"public","intvolume":" 42","_id":"13049","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","abstract":[{"text":"We propose a computational design approach for covering a surface with individually addressable RGB LEDs, effectively forming a low-resolution surface screen. To achieve a low-cost and scalable approach, we propose creating designs from flat PCB panels bent in-place along the surface of a 3D printed core. Working with standard rigid PCBs enables the use of\r\nestablished PCB manufacturing services, allowing the fabrication of designs with several hundred LEDs. \r\nOur approach optimizes the PCB geometry for folding, and then jointly optimizes the LED packing, circuit and routing, solving a challenging layout problem under strict manufacturing requirements. Unlike paper, PCBs cannot bend beyond a certain point without breaking. Therefore, we introduce parametric cut patterns acting as hinges, designed to allow bending while remaining compact. To tackle the joint optimization of placement, circuit and routing, we propose a specialized algorithm that splits the global problem into one sub-problem per triangle, which is then individually solved.\r\nOur technique generates PCB blueprints in a completely automated way. After being fabricated by a PCB manufacturing service, the boards are bent and glued by the user onto the 3D printed support. We demonstrate our technique on a range of physical models and virtual examples, creating intricate surface light patterns from hundreds of LEDs.","lang":"eng"}],"issue":"4","type":"journal_article"},{"doi":"10.1145/3592432","conference":{"start_date":"2023-08-06","location":"Los Angeles, CA, United States","end_date":"2023-08-10","name":"SIGGRAPH: Computer Graphics and Interactive Techniques Conference"},"language":[{"iso":"eng"}],"acknowledged_ssus":[{"_id":"M-Shop"}],"external_id":{"isi":["001044671300033"]},"oa":1,"project":[{"name":"Perception-Aware Appearance Fabrication","_id":"eb901961-77a9-11ec-83b8-f5c883a62027","grant_number":"M03319"}],"isi":1,"quality_controlled":"1","publication_identifier":{"issn":["0730-0301"],"eissn":["1557-7368"]},"month":"07","author":[{"full_name":"Piovarci, Michael","last_name":"Piovarci","first_name":"Michael","orcid":"0000-0002-5062-4474","id":"62E473F4-5C99-11EA-A40E-AF823DDC885E"},{"first_name":"Alexandre","last_name":"Chapiro","full_name":"Chapiro, Alexandre"},{"first_name":"Bernd","last_name":"Bickel","id":"49876194-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-6511-9385","full_name":"Bickel, Bernd"}],"volume":42,"date_created":"2023-05-16T09:39:14Z","date_updated":"2024-01-29T10:27:23Z","year":"2023","acknowledgement":"We thank Todor Asenov and the Miba Machine Shop for their help in assembling the tattoo machine and manufacturing the substrates. We thank Geysler Rodrigues for the insightful discussions on tattooing practices from a professional artist's perspective. We thank Maria Fernanda Portugal for sharing a doctor's perspective on medical applications of tattoos. This work is graciously supported by the FWF Lise Meitner (Grant M 3319).","publisher":"Association for Computing Machinery","department":[{"_id":"BeBi"}],"publication_status":"published","file_date_updated":"2023-05-16T09:38:25Z","article_number":"67","date_published":"2023-07-26T00:00:00Z","citation":{"ista":"Piovarci M, Chapiro A, Bickel B. 2023. Skin-Screen: A computational fabrication framework for color tattoos. Transactions on Graphics. 42(4), 67.","apa":"Piovarci, M., Chapiro, A., & Bickel, B. (2023). Skin-Screen: A computational fabrication framework for color tattoos. Transactions on Graphics. Los Angeles, CA, United States: Association for Computing Machinery. https://doi.org/10.1145/3592432","ieee":"M. Piovarci, A. Chapiro, and B. Bickel, “Skin-Screen: A computational fabrication framework for color tattoos,” Transactions on Graphics, vol. 42, no. 4. Association for Computing Machinery, 2023.","ama":"Piovarci M, Chapiro A, Bickel B. Skin-Screen: A computational fabrication framework for color tattoos. Transactions on Graphics. 2023;42(4). doi:10.1145/3592432","chicago":"Piovarci, Michael, Alexandre Chapiro, and Bernd Bickel. “Skin-Screen: A Computational Fabrication Framework for Color Tattoos.” Transactions on Graphics. Association for Computing Machinery, 2023. https://doi.org/10.1145/3592432.","mla":"Piovarci, Michael, et al. “Skin-Screen: A Computational Fabrication Framework for Color Tattoos.” Transactions on Graphics, vol. 42, no. 4, 67, Association for Computing Machinery, 2023, doi:10.1145/3592432.","short":"M. Piovarci, A. Chapiro, B. Bickel, Transactions on Graphics 42 (2023)."},"publication":"Transactions on Graphics","article_type":"original","has_accepted_license":"1","article_processing_charge":"No","day":"26","keyword":["appearance","modeling","reproduction","tattoo","skin color","gamut mapping","ink-optimization","prosthetic"],"oa_version":"Submitted Version","file":[{"creator":"mpiovarc","file_size":30817343,"content_type":"application/pdf","access_level":"open_access","file_name":"Piovarci2023.pdf","success":1,"checksum":"5f0a6867689e025a661bd0b4fd90b821","date_updated":"2023-05-16T09:38:25Z","date_created":"2023-05-16T09:38:25Z","file_id":"12985","relation":"main_file"}],"_id":"12984","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","intvolume":" 42","status":"public","title":"Skin-Screen: A computational fabrication framework for color tattoos","ddc":["004"],"issue":"4","abstract":[{"text":"Tattoos are a highly popular medium, with both artistic and medical applications. Although the mechanical process of tattoo application has evolved historically, the results are reliant on the artisanal skill of the artist. This can be especially challenging for some skin tones, or in cases where artists lack experience. We provide the first systematic overview of tattooing as a computational fabrication technique. We built an automated tattooing rig and a recipe for the creation of silicone sheets mimicking realistic skin tones, which allowed us to create an accurate model predicting tattoo appearance. This enables several exciting applications including tattoo previewing, color retargeting, novel ink spectra optimization, color-accurate prosthetics, and more.","lang":"eng"}],"type":"journal_article"}]