Pub Date : 1900-01-01DOI: 10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/097-104
Biagio Cosenza, G. Cordasco, R. D. Chiara, U. Erra, V. Scarano
In this paper we estimate the effectiveness of exploiting coherence in Parallel Ray Tracing. We present a loadbalancing technique which divides the original rendering problem in balanced subtasks and distribute them to independent processors through a Prediction Binary Tree (PBT). Furthermore the PBT allows to exploit temporal coherence among successive image frames. At each new frame, it updates the current PBT using a cost function which uses the previous rendering time as cost estimate. We also provide two heuristics which take advantage of data-locality. We assess the effectiveness of the proposed solution by running two experiments. The £rst one aims to investigate the accurancy of predictions made using the PBT. Results show that such predictions are quite accurate even considering a heavily unbalanced scene and a fast moving camera. The second experiment evaluates the two locality-aware heuristics showing a modest improvement.
{"title":"On Estimating the Effectiveness of Temporal and Spatial Coherence in Parallel Ray Tracing","authors":"Biagio Cosenza, G. Cordasco, R. D. Chiara, U. Erra, V. Scarano","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/097-104","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/097-104","url":null,"abstract":"In this paper we estimate the effectiveness of exploiting coherence in Parallel Ray Tracing. We present a loadbalancing technique which divides the original rendering problem in balanced subtasks and distribute them to independent processors through a Prediction Binary Tree (PBT). Furthermore the PBT allows to exploit temporal coherence among successive image frames. At each new frame, it updates the current PBT using a cost function which uses the previous rendering time as cost estimate. We also provide two heuristics which take advantage of data-locality. We assess the effectiveness of the proposed solution by running two experiments. The £rst one aims to investigate the accurancy of predictions made using the PBT. Results show that such predictions are quite accurate even considering a heavily unbalanced scene and a fast moving camera. The second experiment evaluates the two locality-aware heuristics showing a modest improvement.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"26 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":"131080462","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/ItalianChapConf2006/045-051
E. Danovaro, L. Floriani, M. Vitali, Laura Papaleo
Mesh-based terrain representations provide accurate descriptions of a terrain, but fail in capturing its morphological structure. The morphology of a terrain is defined by its critical points and by the critical lines joining them, which form a so-called surface network. Besides being compact, a morphological terrain description supports a knowledge-based approach to the analysis, visualization and understanding of a terrain dataset. Moreover, because of the large size of current terrain data sets, a multi-resolution representation of the terrain morphology is crucial. Here, we address the problem of representing the morphology of a terrain at different resolutions. The basis of the multi-resolution terrain model, that we call a Multi-resolution Surface Network (MSN), is a generalization operator on a surface network, which produces a simplified representation incrementally. An MSN is combined with a multi-resolution mesh-based terrain model, which encompasses the terrain morphology at different resolutions. We show how variable-resolution representations can be extracted from an MSN, and we present also an implementation of an MSN in a compact encoding data structure.
{"title":"Multi-resolution Morphological Representation of Terrains","authors":"E. Danovaro, L. Floriani, M. Vitali, Laura Papaleo","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/045-051","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/045-051","url":null,"abstract":"Mesh-based terrain representations provide accurate descriptions of a terrain, but fail in capturing its morphological structure. The morphology of a terrain is defined by its critical points and by the critical lines joining them, which form a so-called surface network. Besides being compact, a morphological terrain description supports a knowledge-based approach to the analysis, visualization and understanding of a terrain dataset. Moreover, because of the large size of current terrain data sets, a multi-resolution representation of the terrain morphology is crucial. Here, we address the problem of representing the morphology of a terrain at different resolutions. The basis of the multi-resolution terrain model, that we call a Multi-resolution Surface Network (MSN), is a generalization operator on a surface network, which produces a simplified representation incrementally. An MSN is combined with a multi-resolution mesh-based terrain model, which encompasses the terrain morphology at different resolutions. We show how variable-resolution representations can be extracted from an MSN, and we present also an implementation of an MSN in a compact encoding data structure.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"69 1-2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132031536","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/ItalianChapConf2007/231-234
G. Magrassi, M. Bordegoni
Reverse Engineering and Rapid Prototyping are consolidated practices in the industrial product design process. In any case, best practices should be set up according to the type of product and of objectives. This paper presents the results of a product re-engineering application in the field of high quality stainless steel cutlery. This activity included a re-modeling of a basis-shape that reproduces at best the original shape of a cutlery set designed in the Thirties for Alessi, which is still considered to be very fashionable. The shape of the manufactured physical pieces of cutlery has changed in time in respect to the original design, mainly because of some problems related to their manufacturing, which has been transferred from the central plant to other branches. We have obtained the digital model of the pieces of cutlery on the basis of the analysis of the available original 2D drawings, and of the laser scanning and subsequent re-engineering design of the available manufactured objects. Particularly complex activity was the removal of the shapes deviations due to the different forming techniques used in the various production factories. At the end of the reconstruction activity, physical prototypes of the new models were produced by means of a sintering process in order to evaluate and compare them to the original ones.
{"title":"Product Design, Reverse Engineering, Rapid Prototyping - a Case Study in Cutlery Production","authors":"G. Magrassi, M. Bordegoni","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/231-234","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/231-234","url":null,"abstract":"Reverse Engineering and Rapid Prototyping are consolidated practices in the industrial product design process. In any case, best practices should be set up according to the type of product and of objectives. This paper presents the results of a product re-engineering application in the field of high quality stainless steel cutlery. This activity included a re-modeling of a basis-shape that reproduces at best the original shape of a cutlery set designed in the Thirties for Alessi, which is still considered to be very fashionable. The shape of the manufactured physical pieces of cutlery has changed in time in respect to the original design, mainly because of some problems related to their manufacturing, which has been transferred from the central plant to other branches. We have obtained the digital model of the pieces of cutlery on the basis of the analysis of the available original 2D drawings, and of the laser scanning and subsequent re-engineering design of the available manufactured objects. Particularly complex activity was the removal of the shapes deviations due to the different forming techniques used in the various production factories. At the end of the reconstruction activity, physical prototypes of the new models were produced by means of a sintering process in order to evaluate and compare them to the original ones.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"140 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":"133241031","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/ItalianChapConf2006/117-121
S. Livatino, Domenico Cuciti, A. Wojciechowki
The use of different media such as photography and virtual reality combined with different presentation modalities may provide a user with an extraordinary tool for exploration and appreciation of real work of art. This is especially important in case of time-spatial works-of-art where the problem of functionalities presentation becomes much more demanding. The possibility offered by latest graphics machines has attracted the interest of researchers to investigate this new area. The goal of the presented work is the creation of a multi-modal presentation of a piece of contemporary art, tightening the relation between computer graphics and arts. The focus is on an application that it is capable to cope in real-time with simulation of mirror reflections including multi-reflections. The results were very encouraging which led to optimistic conclusions with a wide range of options for future works.
{"title":"Multi-Modal Presentation of Work of Arts in Virtual Reality with Simulation of Mirror Reflection","authors":"S. Livatino, Domenico Cuciti, A. Wojciechowki","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/117-121","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/117-121","url":null,"abstract":"The use of different media such as photography and virtual reality combined with different presentation modalities may provide a user with an extraordinary tool for exploration and appreciation of real work of art. This is especially important in case of time-spatial works-of-art where the problem of functionalities presentation becomes much more demanding. The possibility offered by latest graphics machines has attracted the interest of researchers to investigate this new area. The goal of the presented work is the creation of a multi-modal presentation of a piece of contemporary art, tightening the relation between computer graphics and arts. The focus is on an application that it is capable to cope in real-time with simulation of mirror reflections including multi-reflections. The results were very encouraging which led to optimistic conclusions with a wide range of options for future works.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"20 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":"131337039","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/ItalianChapConf2008/015-020
Gaetano Impoco
Computer-aided diagnosis for pre-operative planning and post-operative outcome evaluation is widely considered an important topic for next-generation surgery. 3D models of the patients’ anatomical structures can be highly valuable in this context. The accuracy of these models is strongly dependent on the classification and segmentation algorithms acting at the very first stage of the modelling chain. A promising class of segmentation algorithms is related to level set methods. Here, we briefly review some applications of level sets to medical image segmentation.
{"title":"Medical Image Segmentation using Level Sets","authors":"Gaetano Impoco","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/015-020","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/015-020","url":null,"abstract":"Computer-aided diagnosis for pre-operative planning and post-operative outcome evaluation is widely considered an important topic for next-generation surgery. 3D models of the patients’ anatomical structures can be highly valuable in this context. The accuracy of these models is strongly dependent on the classification and segmentation algorithms acting at the very first stage of the modelling chain. A promising class of segmentation algorithms is related to level set methods. Here, we briefly review some applications of level sets to medical image segmentation.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"75 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":"114158155","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/ItalianChapConf2010/041-048
René Zmugg, Sven Havemann, D. Fellner
Lighting conditions can make the difference between success or failure of an architectural space. The vision of space-light co-design is that architects can control the impression of an illuminated space already at an early design stage, instead of first designing spaces and then searching for a good lighting setup. As a first step towards this vision we propose a novel method to calculate potential light source positions from a given user defined target illumination. The method is independent of the tessellation of the scene and assumes a homogeneous diffuse Lambertian material. This allows using a voting system that determines potential positions for standard light sources with chosen size and brightness. Votes are cast from an illuminated surface point to all potential positions of a light source that would yield this illumination. Vote clusters consequently indicate a more probable light source position. With a slight extension the method can also identify mid-air light source positions.
{"title":"Towards a Voting Scheme for Calculating Light Source Positions from a given Target Illumination","authors":"René Zmugg, Sven Havemann, D. Fellner","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2010/041-048","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2010/041-048","url":null,"abstract":"Lighting conditions can make the difference between success or failure of an architectural space. The vision of space-light co-design is that architects can control the impression of an illuminated space already at an early design stage, instead of first designing spaces and then searching for a good lighting setup. As a first step towards this vision we propose a novel method to calculate potential light source positions from a given user defined target illumination. The method is independent of the tessellation of the scene and assumes a homogeneous diffuse Lambertian material. This allows using a voting system that determines potential positions for standard light sources with chosen size and brightness. Votes are cast from an illuminated surface point to all potential positions of a light source that would yield this illumination. Vote clusters consequently indicate a more probable light source position. With a slight extension the method can also identify mid-air light source positions.","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":"114402755","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/ItalianChapConf2006/165-169
S. Piffer, G. Conti, G. Girardi, G. Ucelli, R. Amicis
This paper illustrates the DentroTrento project, commissioned by the local authority for Cultural Heritage, which has lead to the creation of an edutainment system for the visitors of an archaeological site in the town of Trento. In particular, the aim of the project was to enhance the didactic and entertaining potential of a Roman archaeological site which is located between the Theatre’s foundations through the development of a computer graphics-based application capable of high visual and emotional impact. This has been made possible through the creation of an interactive system where the virtual reconstruction becomes the main means of guiding the visitor through a virtual walk across time. The relevance of the work illustrated is underlined by the profile of the project and the nature and importance of the site, which is located underground below a square. In fact this circumstance does not let the visitor perceive the urban outline of the roman town nor it lets visitors fully perceive, through the use of traditional teaching material, the way of life typical of the time. The system proposed instead engages the visitor into a more exciting experience replicating, not only the architecture, but the way of life of the Roman town. The scope of the project together with the heterogeneity of the working team has required a rigorous approach to the management of the entire project.
{"title":"DentroTrento: an Example of application of Computer Graphics to the Evolution of the Archaeological site of Tridentum","authors":"S. Piffer, G. Conti, G. Girardi, G. Ucelli, R. Amicis","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/165-169","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2006/165-169","url":null,"abstract":"This paper illustrates the DentroTrento project, commissioned by the local authority for Cultural Heritage, which has lead to the creation of an edutainment system for the visitors of an archaeological site in the town of Trento. In particular, the aim of the project was to enhance the didactic and entertaining potential of a Roman archaeological site which is located between the Theatre’s foundations through the development of a computer graphics-based application capable of high visual and emotional impact. This has been made possible through the creation of an interactive system where the virtual reconstruction becomes the main means of guiding the visitor through a virtual walk across time. The relevance of the work illustrated is underlined by the profile of the project and the nature and importance of the site, which is located underground below a square. In fact this circumstance does not let the visitor perceive the urban outline of the roman town nor it lets visitors fully perceive, through the use of traditional teaching material, the way of life typical of the time. The system proposed instead engages the visitor into a more exciting experience replicating, not only the architecture, but the way of life of the Roman town. The scope of the project together with the heterogeneity of the working team has required a rigorous approach to the management of the entire project.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"176 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":"116396992","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/ItalianChapConf2007/051-058
A. Liverani, Stefania Grandi
A real-time and robust algorithm for 3D camera registration in a Mixed Reality (MR) environment is described in this paper. The most used technique for camera pose (position and orientation with respect to a fixed or moving object) is based on fiducial marker tracking. This method guarantees good results in real-time with a single camera, but needs several high contrast printed markers on external world in order to make possible the calculation of camera parameters and positioning. Thus real 3D geometric data are grabbed only through already known markers. The aim of this research is a real-time monocular camera tracking and registration through automatic image features extraction from video streaming. The first implementation of the method, several examples and confrontation with non interactive algorithm for SFM (Structure From Motion) have demonstrated that this meets the real-time response and sufficient precision needed by a Mixed Reality environment.
本文提出了一种用于混合现实环境下三维摄像机配准的实时鲁棒算法。相机姿态(相对于固定或移动物体的位置和方向)最常用的技术是基于基准标记跟踪。该方法保证了单相机的实时性，但需要在外部世界上打印多个高对比度的标记，以便计算相机参数和定位。因此，真正的三维几何数据只能通过已知的标记来获取。本研究的目的是通过自动提取视频流中的图像特征，实现单目摄像机的实时跟踪与配准。该方法的首次实现、几个实例以及与非交互式SFM (Structure From Motion)算法的对抗表明，该方法满足了混合现实环境所需的实时响应和足够的精度。
{"title":"Marker-less Real-time Camera Registration for Mixed Reality","authors":"A. Liverani, Stefania Grandi","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/051-058","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2007/051-058","url":null,"abstract":"A real-time and robust algorithm for 3D camera registration in a Mixed Reality (MR) environment is described in this paper. The most used technique for camera pose (position and orientation with respect to a fixed or moving object) is based on fiducial marker tracking. This method guarantees good results in real-time with a single camera, but needs several high contrast printed markers on external world in order to make possible the calculation of camera parameters and positioning. Thus real 3D geometric data are grabbed only through already known markers. The aim of this research is a real-time monocular camera tracking and registration through automatic image features extraction from video streaming. The first implementation of the method, several examples and confrontation with non interactive algorithm for SFM (Structure From Motion) have demonstrated that this meets the real-time response and sufficient precision needed by a Mixed Reality environment.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"47 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":"115043599","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/ItalianChapConf2008/007-013
M. Dellepiane, M. Callieri, E. Paribeni, E. Sorge, N. Sulfaro, Veronica Marianelli, Roberto Scopigno
The heritage site of Luni is a very interesting location, which tells the story of an ancient roman colony, and of an area where different cultures left their heritage. In particular, the remains of the pediments of an ancient temple represent a very interesting case and an open field of study for art historians. The scanning of a group of statue belonging to the pediments showed that the produced 3D models could be used in several ways, not only for archival and presentation purposes but also to provide interactive support for the work of the restorers and the scholars. In particular, the use of 3D models to propose and validate hypothesis about the original position of the fragments in the context of the fronton could be an alternative solution to the direct manipulation of them. Moreover, the analysis of the original color of the statues, and the representation different hypothesis about the ancient appearance can be produced through the interactive editing of the 3D models of the statues. In this paper we present the scanning campaign which resulted in the acquisition of five statues,the preliminary results of some of the uses of the models produced with acquired data, and a brief description of other possible future applications of them. This shows how 3D scanning can be considered by now a mature technology for the support of restoration and preservation of Cultural Heritage.
{"title":"Multiple Uses of 3D Scanning for the Valorization of an Artistic Site: the Case of Luni","authors":"M. Dellepiane, M. Callieri, E. Paribeni, E. Sorge, N. Sulfaro, Veronica Marianelli, Roberto Scopigno","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/007-013","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/007-013","url":null,"abstract":"The heritage site of Luni is a very interesting location, which tells the story of an ancient roman colony, and of an area where different cultures left their heritage. In particular, the remains of the pediments of an ancient temple represent a very interesting case and an open field of study for art historians. The scanning of a group of statue belonging to the pediments showed that the produced 3D models could be used in several ways, not only for archival and presentation purposes but also to provide interactive support for the work of the restorers and the scholars. In particular, the use of 3D models to propose and validate hypothesis about the original position of the fragments in the context of the fronton could be an alternative solution to the direct manipulation of them. Moreover, the analysis of the original color of the statues, and the representation different hypothesis about the ancient appearance can be produced through the interactive editing of the 3D models of the statues. In this paper we present the scanning campaign which resulted in the acquisition of five statues,the preliminary results of some of the uses of the models produced with acquired data, and a brief description of other possible future applications of them. This shows how 3D scanning can be considered by now a mature technology for the support of restoration and preservation of Cultural Heritage.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"250 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":"133253941","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/ItalianChapConf2008/113-120
U. Castellani, G. Cortelazzo, M. Cristani, Elisabetta Delponte, Andrea Fusiello, Andrea Giachetti, Stefano Mizzaro, F. Odone, E. Puppo, R. Scateni, P. Zanuttigh
This paper describes the work that has been done during the first year of the 3-SHIRT project, which aims at developing innovative solutions in all the phases of content-based 3D shape retrieval, namely: shape analysis and segmentation, design of shape descriptors, shape indexing and matching, and evaluation.
{"title":"3-SHIRT: Three-Dimensional Shape Indexing and Retrieval Techniques","authors":"U. Castellani, G. Cortelazzo, M. Cristani, Elisabetta Delponte, Andrea Fusiello, Andrea Giachetti, Stefano Mizzaro, F. Odone, E. Puppo, R. Scateni, P. Zanuttigh","doi":"10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/113-120","DOIUrl":"https://doi.org/10.2312/LocalChapterEvents/ItalChap/ItalianChapConf2008/113-120","url":null,"abstract":"This paper describes the work that has been done during the first year of the 3-SHIRT project, which aims at developing innovative solutions in all the phases of content-based 3D shape retrieval, namely: shape analysis and segmentation, design of shape descriptors, shape indexing and matching, and evaluation.","PeriodicalId":405486,"journal":{"name":"European Interdisciplinary Cybersecurity Conference","volume":"27 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":"133474540","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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