CASIA OpenIR  > 类脑智能研究中心
GIFT: A Real-Time and Scalable 3D Shape Search Engine
Song Bai; Xiang Bai; Zhichao Zhou; Zhaoxiang Zhang; Longin Jan Latecki
2016-06-27
Conference NameIEEE Conference on Computer Vision and Pattern Recognition
Source PublicationCVPR 2016
Conference Date27-30 June 2016
Conference PlaceLas Vegas, NV, USA
AbstractProjective analysis is an important solution for 3D shape retrieval, since human visual perceptions of 3D shapes rely on various 2D observations from different view points. Although multiple informative and discriminative views are utilized, most projection-based retrieval systems suffer from heavy computational cost, thus cannot satisfy the basic requirement of scalability for search engines. In this paper, we present a real-time 3D shape search engine based on the projective images of 3D shapes. The real-time property of our search engine results from the following aspects: (1) efficient projection and view feature extraction using GPU acceleration; (2) the first inverted file, referred as F-IF, is utilized to speed up the procedure of multi-view matching; (3) the second inverted file (S-IF), which captures a local distribution of 3D shapes in the feature manifold, is adopted for efficient context-based re-ranking. As a result, for each query the retrieval task can be finished within one second despite the necessary cost of IO overhead. We name the proposed 3D shape search engine, which combines GPU acceleration and Inverted File Twice, as GIFT. Besides its high efficiency, GIFT also outperforms the state-of-the-art methods significantly in retrieval accuracy on various shape benchmarks and competitions.
KeywordPattern Recognition 3d Shape Retrieval
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/13249
Collection类脑智能研究中心
Corresponding AuthorZhaoxiang Zhang
Recommended Citation
GB/T 7714
Song Bai,Xiang Bai,Zhichao Zhou,et al. GIFT: A Real-Time and Scalable 3D Shape Search Engine[C],2016.
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