Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/209-212
E. Bilotta, Pietro S. Pantano
{"title":"Patterns of Creativity in Design","authors":"E. Bilotta, Pietro S. Pantano","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/209-212","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/209-212","url":null,"abstract":"","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125693800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/081-087
U. Erra, V. Scarano, D. Guida
This paper describes an efficient technique for the renderingof large terrain surfaces. The technique is based on a simple rings structure:a sequenceof concentricrings at different resolutionsand centeredon the viewer’s position. Each ring is represented by a set of patches at identical resolutions. Rings near the viewer have a finer resolution than the rings further from the viewer. At runtime, the patches within the rings change resolution based on the viewer’s position. The GPU decodes in real time height maps encoded by a fractal compressorfrom which sample the height component of the terrain. Since adjacent patches of different rings can disagree on the resolution of common edge GPU stitches the meshes in order to avoid any cracks or degenerate triangles. The renderedmeshes ensurethe absenceof cracks that may cause the appearanceof visual artifacts. In addition, a tile managersupport is evaluated in order to maintain terrain datasets on disk storage avoiding a costly load of the entire datasets into the memory. Categories and Subject Descriptors (according to ACM CCS) : I.3.3 [Computer Graphics]: Picture and Image Gener-ation I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism I.3.7 [Computer Graphics]: Fractals
{"title":"Fractal Compression Approach for Efficient Interactive Terrain Rendering on the GPU","authors":"U. Erra, V. Scarano, D. Guida","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/081-087","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/081-087","url":null,"abstract":"This paper describes an efficient technique for the renderingof large terrain surfaces. The technique is based on a simple rings structure:a sequenceof concentricrings at different resolutionsand centeredon the viewer’s position. Each ring is represented by a set of patches at identical resolutions. Rings near the viewer have a finer resolution than the rings further from the viewer. At runtime, the patches within the rings change resolution based on the viewer’s position. The GPU decodes in real time height maps encoded by a fractal compressorfrom which sample the height component of the terrain. Since adjacent patches of different rings can disagree on the resolution of common edge GPU stitches the meshes in order to avoid any cracks or degenerate triangles. The renderedmeshes ensurethe absenceof cracks that may cause the appearanceof visual artifacts. In addition, a tile managersupport is evaluated in order to maintain terrain datasets on disk storage avoiding a costly load of the entire datasets into the memory. Categories and Subject Descriptors (according to ACM CCS) : I.3.3 [Computer Graphics]: Picture and Image Gener-ation I.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism I.3.7 [Computer Graphics]: Fractals","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131621025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/053-059
Laura Papaleo, E. Puppo
Abstract This paper presents a general Surface Reconstruction framework which encapsulates the uncertainty of the sam-pled data, making no assumption on the shape of the surface to be reconstructed. Starting from the input points(either points clouds or multiple range images), an Estimated Existence Function (EEF) is built which modelsthe space in which the desired surface could exist and, by the extraction of EEF critical points, the surface isreconstructed. The nal goal is the development of a generic framework able to adapt the result to different kindsof additional information coming from multiple sensors. Categories and Subject Descriptors (according to ACM CCS) : I.3.3 [Computer Graphics]: Shape Modeling, Uncer-tain data, Multi-sensor Data Fusion 1. Introduction 3D scanning devices are becoming more and more availableand affordable. Thanks to modern acquisition technologies,heterogeneous data can be acquired from multiple acquisi-tion sensors, which often incorporate information about un-certainty of the data sampling process. Surface reconstruc-tion techniques designed over a specic sensor often takeinto account uncertainty during the reconstruction process,but they are limited to work with a single device. On thecontrary, general techniques that can process data comingfrom different sensors usually disregard much part of sensor-specic information, and seldom take into account uncer-tainty.The basic concept of our approach is
{"title":"Shape Reconstruction with Uncertainty","authors":"Laura Papaleo, E. Puppo","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/053-059","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/053-059","url":null,"abstract":"Abstract This paper presents a general Surface Reconstruction framework which encapsulates the uncertainty of the sam-pled data, making no assumption on the shape of the surface to be reconstructed. Starting from the input points(either points clouds or multiple range images), an Estimated Existence Function (EEF) is built which modelsthe space in which the desired surface could exist and, by the extraction of EEF critical points, the surface isreconstructed. The nal goal is the development of a generic framework able to adapt the result to different kindsof additional information coming from multiple sensors. Categories and Subject Descriptors (according to ACM CCS) : I.3.3 [Computer Graphics]: Shape Modeling, Uncer-tain data, Multi-sensor Data Fusion 1. Introduction 3D scanning devices are becoming more and more availableand affordable. Thanks to modern acquisition technologies,heterogeneous data can be acquired from multiple acquisi-tion sensors, which often incorporate information about un-certainty of the data sampling process. Surface reconstruc-tion techniques designed over a specic sensor often takeinto account uncertainty during the reconstruction process,but they are limited to work with a single device. On thecontrary, general techniques that can process data comingfrom different sensors usually disregard much part of sensor-specic information, and seldom take into account uncer-tainty.The basic concept of our approach is","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121837012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2011/029-033
Andrea Casanova, M. De Marsico, S. Ricciardi
Despite its potential advantages, gesture based interface usage is currently rather limited due to operational and practical issues, while most proposals aim at replacing mouse and keyboard functionalities for medical/surgical applications. This paper presents a crime scene interpretation framework which combines augmented reality visual paradigm and gesture based interaction to provide a new generation of detectives with interactive visualization and manipulation of virtual exhibits while seeing the real environment. The idea is to augment the exploration of the crime scene by means of a see-through head mounted display, exploiting a small set of simple (user-wise) gestures and the visual interface to enable a wider set of commands and functionalities, improving both the efficacy and the accuracy of user-system interaction. The proposed system allow the user to freely position virtual replicas of real object to interactively build visual hypothesis about the crime under investigation, or even to set virtual landmarks which can be used to take distance/angular measurements. All these action can be performed without mouse and keyboard but simply through intuitive gestures. Interaction techniques.
{"title":"Crime Scene Interpretation Through an Augmented Reality Environment","authors":"Andrea Casanova, M. De Marsico, S. Ricciardi","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2011/029-033","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2011/029-033","url":null,"abstract":"Despite its potential advantages, gesture based interface usage is currently rather limited due to operational and practical issues, while most proposals aim at replacing mouse and keyboard functionalities for medical/surgical applications. This paper presents a crime scene interpretation framework which combines augmented reality visual paradigm and gesture based interaction to provide a new generation of detectives with interactive visualization and manipulation of virtual exhibits while seeing the real environment. The idea is to augment the exploration of the crime scene by means of a see-through head mounted display, exploiting a small set of simple (user-wise) gestures and the visual interface to enable a wider set of commands and functionalities, improving both the efficacy and the accuracy of user-system interaction. The proposed system allow the user to freely position virtual replicas of real object to interactively build visual hypothesis about the crime under investigation, or even to set virtual landmarks which can be used to take distance/angular measurements. All these action can be performed without mouse and keyboard but simply through intuitive gestures. Interaction techniques.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132554274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2010/147-152
F. Guggeri, Marco Livesu, R. Scateni
In this paper we present the work in progress along with some preliminary research results in the field of Computational Geometry and Mesh Processing obtained by the Computer Graphics Group of the University of Cagliari, Italy. We focus on the work in mesh analysis by introducing the development of a lightweight visualization and processing tool that helped expanding the aims of the group by letting the students from the University move their first steps in Computer Graphics. We show some results obtained by the group with the focus on the usefulness of a common framework of reference.
{"title":"Tools and Applications for Teaching and Research in Computer Graphics","authors":"F. Guggeri, Marco Livesu, R. Scateni","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2010/147-152","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2010/147-152","url":null,"abstract":"In this paper we present the work in progress along with some preliminary research results in the field of Computational Geometry and Mesh Processing obtained by the Computer Graphics Group of the University of Cagliari, Italy. We focus on the work in mesh analysis by introducing the development of a lightweight visualization and processing tool that helped expanding the aims of the group by letting the students from the University move their first steps in Computer Graphics. We show some results obtained by the group with the focus on the usefulness of a common framework of reference.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"31 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133208251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/139-144
E. Bilotta, Pietro S. Pantano, F. Bertacchini, L. Gabriele, G. Longo, Vincenzo Mazzeo, C. Rizzuti, A. Talarico, G. Tocci, S. Vena
In this paper, we present ImaginationTOOLS, a software which uses mathematical models to generate, analyse and synthesize sound and music. User learns in an imaginary 3D-city basic concepts on mathematical models and music by interacting with pedagogical agents; composes in a laboratory room using a manipulatory agent-like interface; listens to music in an immersive room and creates interactive music with ad-hoc designed instruments and performs and shares music on the net. It represents a real advancement on the existing similar scientificallyoriented products available on the market and it is considered a fusion of different music and multimedia technologies, with a strong developmental trend into physical interaction design. It is the first software using 3D interaction in a 3D environment to produce sound and music, extending the potential of musicians by experimenting in the psycho-acoustical domain of sound and overcoming the problems of musical education, with simple interface.
{"title":"ImaginationTOOLS (TM)- A 3D Environment for Learning and Playing Music","authors":"E. Bilotta, Pietro S. Pantano, F. Bertacchini, L. Gabriele, G. Longo, Vincenzo Mazzeo, C. Rizzuti, A. Talarico, G. Tocci, S. Vena","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/139-144","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/139-144","url":null,"abstract":"In this paper, we present ImaginationTOOLS, a software which uses mathematical models to generate, analyse and synthesize sound and music. User learns in an imaginary 3D-city basic concepts on mathematical models and music by interacting with pedagogical agents; composes in a laboratory room using a manipulatory agent-like interface; listens to music in an immersive room and creates interactive music with ad-hoc designed instruments and performs and shares music on the net. It represents a real advancement on the existing similar scientificallyoriented products available on the market and it is considered a fusion of different music and multimedia technologies, with a strong developmental trend into physical interaction design. It is the first software using 3D interaction in a 3D environment to produce sound and music, extending the potential of musicians by experimenting in the psycho-acoustical domain of sound and overcoming the problems of musical education, with simple interface.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133965152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/079-085
Riccardo Albertoni, Laura Papaleo, F. Robbiano
Nowadays, the success of the scientific enterprise largely depends on the ability of sharing resources among the scientific community. This problem is particularly relevant in the field of Computer Graphics and Vision. During the last years specific domains ontologies are emerging in support of different contexts, aiming at facilitating automated resource-sharing among information systems in specific fields. A fast evolution of Computer Graphics and Vision is now conditioned by how research teams will be able to intercommunicate. The shared resources should preserve as much meaningful information as possible, in order to allow and improve collaborative research and complete understanding of complex tasks. A critical phase in Computer Graphics and Vision is the Acquisition Phase, which includes different conditions and properties related to the object to be scanned, to the surrounding environment or even to the knowledge of the scanning experts. The novelty of our work is the tentative to integrate Knowledge Management approaches to Computer Graphics and Vision and, in particular, we aim at preserving information when passing from the real world (Real Objects) to the digital one (Digital Shapes). This is a fundamental step for moving knowledge from humans to machines.
{"title":"Preserving Information from Real Objects to Digital Shapes","authors":"Riccardo Albertoni, Laura Papaleo, F. Robbiano","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/079-085","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/079-085","url":null,"abstract":"Nowadays, the success of the scientific enterprise largely depends on the ability of sharing resources among the scientific community. This problem is particularly relevant in the field of Computer Graphics and Vision. During the last years specific domains ontologies are emerging in support of different contexts, aiming at facilitating automated resource-sharing among information systems in specific fields. A fast evolution of Computer Graphics and Vision is now conditioned by how research teams will be able to intercommunicate. The shared resources should preserve as much meaningful information as possible, in order to allow and improve collaborative research and complete understanding of complex tasks. A critical phase in Computer Graphics and Vision is the Acquisition Phase, which includes different conditions and properties related to the object to be scanned, to the surrounding environment or even to the knowledge of the scanning experts. The novelty of our work is the tentative to integrate Knowledge Management approaches to Computer Graphics and Vision and, in particular, we aim at preserving information when passing from the real world (Real Objects) to the digital one (Digital Shapes). This is a fundamental step for moving knowledge from humans to machines.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"163 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114516561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/171-175
S. Rizvić, Aida Sadzak, Z. Avdagić, A. Chalmers
Bosnia and Herzegovina is very rich with cultural heritage sites. Perhaps the most famous of these are the stecaks; the monumental gravestones of Bosnian Heretic Christians. The orientation of the stećaks was important to the ancient Bosnians, Unfortunately, their orientation towards the sun has been changed when they were moved from their original locations to more secure sites at museums. This is particularly true of the stećak from Donje Zgosce, one of the most beautiful stećaks in B&H. Using high-fidelity graphics techniques we have created a detailed virtual reconstruction of this stećak and produced a sun simulation in Maya This enables archaeologists to be able to investigate the interaction of the light with the stećak’s carvings as it may have appeared in 14 century.
{"title":"Maya Sun Simulation of Bosnian Gravestone Virtual Model","authors":"S. Rizvić, Aida Sadzak, Z. Avdagić, A. Chalmers","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/171-175","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/171-175","url":null,"abstract":"Bosnia and Herzegovina is very rich with cultural heritage sites. Perhaps the most famous of these are the stecaks; the monumental gravestones of Bosnian Heretic Christians. The orientation of the stećaks was important to the ancient Bosnians, Unfortunately, their orientation towards the sun has been changed when they were moved from their original locations to more secure sites at museums. This is particularly true of the stećak from Donje Zgosce, one of the most beautiful stećaks in B&H. Using high-fidelity graphics techniques we have created a detailed virtual reconstruction of this stećak and produced a sun simulation in Maya This enables archaeologists to be able to investigate the interaction of the light with the stećak’s carvings as it may have appeared in 14 century.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130248160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2011/009-013
A. Torrisi, S. Livatino, G. Gallo
The use of stereoscopic visualization has recently been proposed for many applications. Other than for entertain-ment, stereo viewing is being proposed for robotics and medical teleoperation. This paper proposes to exploit the stereo-camera setup available in stereo-viewing systems for 3D reconstruction. We focus on medical endoscopic applications. The advantages of having a reconstructed vision-based depth map during endoscopic navigation and intervention are many, including the possibility for generation of an augmented-reality visual scenario to support surgeons during interventions. We ran our experiments on a realistic graphic model of human bronchus to study feasibility of the proposed concept. We reconstructed depth maps of a bronchus environment and used them to generate augmented reality views of the observed scenes.
{"title":"3D Reconstruction and Augmented Reality in Bronchoscopic Intervention","authors":"A. Torrisi, S. Livatino, G. Gallo","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2011/009-013","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2011/009-013","url":null,"abstract":"The use of stereoscopic visualization has recently been proposed for many applications. Other than for entertain-ment, stereo viewing is being proposed for robotics and medical teleoperation. This paper proposes to exploit the stereo-camera setup available in stereo-viewing systems for 3D reconstruction. We focus on medical endoscopic applications. The advantages of having a reconstructed vision-based depth map during endoscopic navigation and intervention are many, including the possibility for generation of an augmented-reality visual scenario to support surgeons during interventions. We ran our experiments on a realistic graphic model of human bronchus to study feasibility of the proposed concept. We reconstructed depth maps of a bronchus environment and used them to generate augmented reality views of the observed scenes.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129259577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/015-022
Alessandro Martinelli
We propose a new algorithm to get a representation of a curved surface with the precision of the image pixel. This technique uses some results from Scan-line algorithms, but it considers also the new functionalities from graphics hardware and takes advantages from it. We explain the general method, with principles common to every kind of surface: then we illustrate how these principles can be applied to quadratic and cubic beziér triangles, showing formulas and some algorithm details.
{"title":"An Efficient Algorithm for Adaptive Segmentation and Tessellation with Pixel Precision","authors":"Alessandro Martinelli","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/015-022","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/015-022","url":null,"abstract":"We propose a new algorithm to get a representation of a curved surface with the precision of the image pixel. This technique uses some results from Scan-line algorithms, but it considers also the new functionalities from graphics hardware and takes advantages from it. We explain the general method, with principles common to every kind of surface: then we illustrate how these principles can be applied to quadratic and cubic beziér triangles, showing formulas and some algorithm details.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117345900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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