Now showing items 81-100 of 200

    • An Edit Distance for Reeb Graphs 

      Bauer, Ulrich; Fabio, Barbara Di; Landi, Claudia (The Eurographics Association, 2016)
      We consider the problem of assessing the similarity of 3D shapes using Reeb graphs from the standpoint of robustness under perturbations. For this purpose, 3D objects are viewed as spaces endowed with real-valued functions, ...
    • An Experimental Shape Matching Approach for Protein Docking 

      Fernandes, Francisco; Ferreira, Alfredo (The Eurographics Association, 2016)
      Proteins play a vital role in biological processes, with their function being largely determined by their structure. It is important to know what a protein binds, where it binds, how it binds, and what is its final ...
    • An Evaluation of Local Feature Encodings for Shape Retrieval 

      Tasse, Flora Ponjou; Kosinka, Jiri; Dodgson, Neil A. (The Eurographics Association, 2016)
      Local features are successfully used in 3D shape retrieval by encoding features descriptors into global shape signatures. Previous 3D retrieval systems use different encoding methods, such as histogram encoding and Fisher ...
    • A Descriptor for Voxel Shapes Based on the Skeleton Cut Space 

      Feng, Cong; Jalba, Andrei C.; Telea, Alexandru C. (The Eurographics Association, 2016)
      Two-dimensional medial axes and three-dimensional curve skeletons have been long used for shape retrieval tasks. In contrast, and despite their ability to fully capture shape geometry and topology, three-dimensional surface ...
    • 3DOR 2016: Frontmatter 

      Alfredo Ferreira; Andrea Giachetti; Daniela Giorgi (Eurographics Association, 2016)
    • 3D Objects Exploration: Guidelines for Future Research 

      Biasotti, Silvia; Falcidieno, Bianca; Giorgi, Daniela; Spagnuolo, Michela (The Eurographics Association, 2016)
      Search engines provide the interface to interact with 3D object repositories, which are rapidly growing in both number and size. This position paper presents the current state of the art on 3D dataset navigation and 3D ...
    • Shape Retrieval and 3D Gestural Interaction 

      Giachetti, Andrea; Caputo, Fabio Marco; Carcangiu, Alessandro; Scateni, Riccardo; Spano, Lucio Davide (The Eurographics Association, 2016)
      Despite the emerging importance of Virtual Reality and immersive interaction research, no papers on application of 3D shape retrieval to this topic have been presented in recent 3D Object Retrieval workshops. In this paper ...
    • Towards an Observer-oriented Theory of Shape Comparison 

      Frosini, Patrizio (The Eurographics Association, 2016)
      In this position paper we suggest a possible metric approach to shape comparison that is based on a mathematical formalization of the concept of observer, seen as a collection of suitable operators acting on a metric space ...
    • Retrieval of Objects Captured with Kinect One Camera 

      Pascoal, Pedro B.; Proença, Pedro; Gaspar, Filipe; Dias, Miguel Sales; Teixeira, Filipe; Ferreira, Alfredo; Seib, Viktor; Link, Norman; Paulus, Dietrich; Tatsuma, Atsushi; Aono, Masaki (The Eurographics Association, 2015)
      Low-cost RGB-D sensing technology, such as the Microsoft Kinect, is gaining acceptance in the scientific community and even entering into our homes. This technology enables ordinary users to capture everyday object into ...
    • Range Scans based 3D Shape Retrieval 

      Godil, A.; Dutagaci, H.; Bustos, B.; Choi, S.; Dong, S.; Furuya, T.; Li, H.; Link, N.; Moriyama, A.; Meruane, R.; Ohbuchi, R.; Paulus, D.; Schreck, T.; Seib, V.; Sipiran, I.; Yin, H.; Zhang, C. (The Eurographics Association, 2015)
      The objective of the SHREC'15 Range Scans based 3D Shape Retrieval track is to evaluate algorithms that match range scans of real objects to complete 3D mesh models in a target dataset. The task is to retrieve a rank list ...
    • Retrieval of Non-rigid (textured) Shapes Using Low Quality 3D Models 

      Giachetti, Andrea; Farina, Francesco; Fornasa, Francesco; Tatsuma, Atsushi; Sanada, Chika; Aono, Masaki; Biasotti, Silvia; Cerri, Andrea; Choi, Sungbin (The Eurographics Association, 2015)
      This paper reports the results of the SHREC 2015 track on retrieval of non-rigid (textured) shapes from low quality 3D models. This track has been organized to test the ability of the algorithms recently proposed by ...
    • 3D Object Retrieval with Multimodal Views 

      Gao, Yue; Liu, Anan; Nie, Weizhi; Su, Yuting; Dai, Qionghai; Chen, Fuhai; Chen, Yingying; Cheng, Yanhua; Dong, Shuilong; Duan, Xingyue; Fu, Jianlong; Gao, Zan; Guo, Haiyun; Guo, Xin; Huang, Kaiqi; Ji, Rongrong; Jiang, Yingfeng; Li, Haisheng; Lu, Hanqing; Song, Jianming; Sun, Jing; Tan, Tieniu; Wang, Jinqiao; Yin, Huanpu; Zhang, Chaoli; Zhang, Guotai; Zhang, Yan; Zhang, Yan; Zhao, Chaoyang; Zhao, Xin; Zhu, Guibo (The Eurographics Association, 2015)
      This paper reports the results of the SHREC'15 track: 3D Object Retrieval with Multimodal Views, which goal is to evaluate the performance of retrieval algorithms when multimodal views are employed for 3D object representation. ...
    • Non-rigid 3D Shape Retrieval 

      Lian, Z.; Zhang, J.; Choi, S.; ElNaghy, H.; El-Sana, J.; Furuya, T.; Giachetti, A.; Guler, R. A.; Lai, L.; Li, C.; Li, H.; Limberger, F. A.; Martin, R.; Nakanishi, R. U.; Neto, A. P.; Nonato, L. G.; Ohbuchi, R.; Pevzner, K.; Pickup, D.; Rosin, P.; Sharf, A.; Sun, L.; Sun, X.; Tari, S.; Unal, G.; Wilson, R. C. (The Eurographics Association, 2015)
      Non-rigid 3D shape retrieval has become a research hotpot in communities of computer graphics, computer vision, pattern recognition, etc. In this paper, we present the results of the SHREC'15 Track: Non-rigid 3D Shape ...
    • Scalability of Non-Rigid 3D Shape Retrieval 

      Sipiran, I.; Bustos, B.; Schreck, T.; Bronstein, A. M.; Bronstein, M.; Castellani, U.; Choi, S.; Lai, L.; Li, H.; Litman, R.; Sun, L. (The Eurographics Association, 2015)
      Due to recent advances in 3D acquisition and modeling, increasingly large amounts of 3D shape data become available in many application domains. This rises not only the need for effective methods for 3D shape retrieval, ...
    • RETRIEVAL 3D: An On-line Content-Based Retrieval Performance Evaluation Tool 

      Koutsoudis, Anestis; Ioannakis, George; Pratikakis, Ioannis; Chamzas, Christos (The Eurographics Association, 2015)
      Performance benchmarking is an absolute necessity when attempting to objectively quantify the performance of content-based retrieval methods. For many years now, a number of plot-based and scalar-based measures in combination ...
    • Canonical Forms for Non-Rigid 3D Shape Retrieval 

      Pickup, David; Sun, Xianfang; Rosin, Paul L.; Martin, Ralph R.; Cheng, Zhiquan; Nie, Sipin; Jin, Longcun (The Eurographics Association, 2015)
      We present a new benchmark for testing algorithms that create canonical forms for use in non-rigid 3D shape retrieval. We have combined two existing datasets to create a varied collection of models for testing. Canonical ...
    • Computing Local Binary Patterns on Mesh Manifolds for 3D Texture Retrieval 

      Werghi, Naoufel; Tortorici, Claudio; Berretti, Stefano; Bimbo, Alberto Del (The Eurographics Association, 2015)
      In this paper, we present and experiment a novel approach for retrieving 3D geometric texture patterns on 2D mesh-manifolds (i.e., surfaces in the 3D space) using local binary patterns (LBP) constructed on the mesh. The ...
    • Bag of Compact HKS-based Feature Descriptors 

      ElNaghy, Hanan; Hamad, Safwat (The Eurographics Association, 2015)
      3D object retrieval has become an integral part in many today's applications attracting extensive research efforts. This paper introduces an enhanced 3D object retrieval technique using a compact and highly discriminative ...
    • ThOR: Three-dimensional Object Retrieval Library 

      Pascoal, Pedro B.; Ferreira, Alfredo (The Eurographics Association, 2015)
      Following the increasing number of 3D object collections, researchers developed several algorithms related to 3D object analysis, comparison and retrieval methods. However, there is no simple solution offering researchers ...
    • Accelerating the Computation of Canonical Forms for 3D Nonrigid Objects using Multidimensional Scaling 

      Shamai, Gil; Zibulevsky, Michael; Kimmel, Ron (The Eurographics Association, 2015)
      The analysis of 3D nonrigid objects usually involves the need to deal with a large number of degrees of freedom. When trying to match two such objects, one approach is to map the surfaces into a domain in which the matching ...