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An Efficient and Robust Algorithm for Shape Indexing and Retrieval

Soma Biswas, Gaurav Aggarwal, Rama Chellappa
2010 IEEE transactions on multimedia  
We also highlight the effectiveness of the approach to perform robust and efficient shape matching in real images and videos for different applications like human pose estimation and activity classification  ...  Depending on the application, the approach can be used directly for matching or as a first step for obtaining a short list of candidate shapes for more rigorous matching.  ...  accurate and efficient shape matching techniques.  ... 
doi:10.1109/tmm.2010.2050735 fatcat:kkww5mhkijg6zodrvdzy3pfrmm

Evaluation of shape similarity measurement methods for spine X-ray images

Sameer Antani, D.J. Lee, L. Rodney Long, George R. Thoma
2004 Journal of Visual Communication and Image Representation  
A suitable shape algorithm must represent shapes in low dimension, be invariant to rotation, translation, and scale transforms, and retain relevant pathology.  ...  Efficient content-based image retrieval (CBIR) of biomedical images is a challenging problem.  ...  In addition, the representation should retain properties of the shape that are meaningful to the application.  ... 
doi:10.1016/j.jvcir.2004.04.005 fatcat:tjiugs7gyvbxvonbeg2jgwslhm

Integration of local and global geometrical cues for 3D face recognition

F.R. Al-Osaimi, M. Bennamoun, A. Mian
2008 Pattern Recognition  
The representation integrates local and global geometrical cues in a single compact representation which makes matching a probe to a large database computationally efficient.  ...  We present a unified feature representation of 2.5D pointclouds and apply it to face recognition.  ...  of its representation and vector matching is computationally cheap.  ... 
doi:10.1016/j.patcog.2007.07.009 fatcat:2vjr3ujvbncl5fdxcu4vmjthma

IS-Match: Partial Shape Matching by Efficiently Solving an Order Preserving Assignment Problem

Michael Donoser, Hayko Riemenschneider, Horst Bischof
2010 IPSJ Transactions on Computer Vision and Applications  
This paper introduces a novel efficient partial shape matching method named IS-Match. We use sampled points from the silhouette as a shape representation.  ...  We propose an angle descriptor between shape chords combining the advantages of global and local shape description.  ...  Due to the efficiency of the proposed algorithm it is also suited for real-time applications as e.g., in action recognition by matching human silhouettes to reference prototypes or for tracking applications  ... 
doi:10.2197/ipsjtcva.2.224 fatcat:4325tdbmtzbslotjaeqgojdbqa

Asymmetric Feature Maps with Application to Sketch Based Retrieval [article]

Giorgos Tolias, Ondřej Chum
2017 arXiv   pre-print
To demonstrate the advantages of the AFM method, we derive a short vector image representation that, due to asymmetric feature maps, supports efficient scale and translation invariant sketch-based image  ...  We propose a novel concept of asymmetric feature maps (AFM), which allows to evaluate multiple kernels between a query and database entries without increasing the memory requirements.  ...  [38] propose an image representation derived by efficient match kernels and explicit feature maps.  ... 
arXiv:1704.03946v1 fatcat:z4miwdqu2rambngexqh46oxyni

Efficient Visual Content Retrieval and Mining in Videos [chapter]

Josef Sivic, Andrew Zisserman
2004 Lecture Notes in Computer Science  
Vector quantization of these descriptors then enables efficient matching on the scale of an entire feature film. We show two applications.  ...  The object is specified by a user outlining it in an image, and the object is then delineated in the retrieved shots. The second application is to data mining.  ...  Acknowledgements: This research was supported by EC projects Vibes and CogViSys. We are grateful to the ViMining project of IMEDIA INRIA-Rocquencourt for travel funding.  ... 
doi:10.1007/978-3-540-30542-2_58 fatcat:3c62lbjwhbgh7bbvpbsekkcqs4

Three-dimensional shape searching: state-of-the-art review and future trends

Natraj Iyer, Subramaniam Jayanti, Kuiyang Lou, Yagnanarayanan Kalyanaraman, Karthik Ramani
2005 Computer-Aided Design  
The techniques developed for a particular domain will also find applications in other domains. We classify and compare various 3D shape searching techniques based on their shape representations.  ...  Most techniques have been developed for a particular domain and reduce a shape into a simpler shape representation.  ...  Efficiency. It must be possible to efficiently compute and compare descriptors within a shape representation from input data.  ... 
doi:10.1016/j.cad.2004.07.002 fatcat:2q5ltmci6ngufgpt76bcldrobq

Efficient Indexing For Articulation Invariant Shape Matching And Retrieval

Soma Biswas, Gaurav Aggarwal, Rama Chellappa
2007 2007 IEEE Conference on Computer Vision and Pattern Recognition  
Shapes are retrieved using an efficient scheme which does not involve costly operations like shape-wise alignment or establishing correspondences.  ...  Most shape matching methods are either fast but too simplistic to give the desired performance or promising as far as performance is concerned but computationally demanding.  ...  Summary and Discussion We presented an efficient and robust approach for fast matching and retrieval of shapes.  ... 
doi:10.1109/cvpr.2007.383227 dblp:conf/cvpr/BiswasAC07 fatcat:mvejlxo6mnbhtcrd44nyky2gyu

GIFT: A Real-Time and Scalable 3D Shape Search Engine

Song Bai, Xiang Bai, Zhichao Zhou, Zhaoxiang Zhang, Longin Jan Latecki
2016 2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)  
Besides its high efficiency, GIFT also outperforms the state-of-the-art methods significantly in retrieval accuracy on various shape benchmarks and competitions.  ...  , 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  ...  with applications to segmentation [39] , matching [25] , reconstruction, etc..  ... 
doi:10.1109/cvpr.2016.543 dblp:conf/cvpr/BaiBZZL16 fatcat:pev434uppffr7pm2rmtypr7nwy

GIFT: A Real-time and Scalable 3D Shape Search Engine [article]

Song Bai, Xiang Bai, Zhichao Zhou, Zhaoxiang Zhang, Longin Jan Latecki
2017 arXiv   pre-print
Besides its high efficiency, GIFT also outperforms the state-of-the-art methods significantly in retrieval accuracy on various shape benchmarks and competitions.  ...  re-ranking.  ...  with applications to segmentation [39] , matching [25] , reconstruction, etc..  ... 
arXiv:1604.01879v2 fatcat:egkllpn2wbdnrdlepegetr4oo4

Efficient Partial Shape Matching of Outer Contours [chapter]

Michael Donoser, Hayko Riemenschneider, Horst Bischof
2010 Lecture Notes in Computer Science  
This paper introduces a novel efficient partial shape matching method named IS-Match. We use sampled points from the silhouette as a shape representation.  ...  We propose an angle descriptor between shape chords combining the advantages of global and local shape description.  ...  Due to the efficiency of the proposed algorithm it is also suited for real-time applications as e. g. in action recognition by matching human silhouettes to reference prototypes or for tracking applications  ... 
doi:10.1007/978-3-642-12307-8_26 fatcat:mrd324tginfdndwg5xwszkj5cu

Protein-Protein Interfaces: Recognition of Similar Spatial and Chemical Organizations [chapter]

Alexandra Shulman-Peleg, Shira Mintz, Ruth Nussinov, Haim J. Wolfson
2004 Lecture Notes in Computer Science  
Then we apply it to efficiently search the obtained clusters for recognition of similarities and for the prediction of binding.  ...  Its high efficiency makes it suitable for large scale database searches and classifications. Here, first we utilize the method to create a classification of a pilot dataset of interfaces.  ...  This research has been supported in part by the "Center of Excellence in Geometric Computing and its Applications" funded by the Israel Science Foundation (administered by the Israel Academy of Sciences  ... 
doi:10.1007/978-3-540-30219-3_17 fatcat:bc74p24pgvga3dyqzblgcwjfka

Evaluation of shape indexing methods for content-based retrieval of x-ray images

Sameer Antani, L. Rodney Long, George R. Thoma, Dah-Jye Lee, Minerva M. Yeung, Rainer W. Lienhart, Chung-Sheng Li
2003 Storage and Retrieval for Media Databases 2003  
In order to determine if the state of the art in shape representation methods is suitable for this application, we have evaluated representative algorithms selected from the literature.  ...  Efficient content-based image retrieval of biomedical images is a challenging problem of growing research interest.  ...  Biomedical images, as identified above, have conflicting goals of low dimensionality for efficient indexing and matching while requiring the feature representation methods to retain the subtleties in the  ... 
doi:10.1117/12.476289 dblp:conf/spieSR/AntaniLTL03 fatcat:f3cmqebi6zg5begkubxvps62ga

Image retrieval using color and shape

Anil K. Jain, Aditya Vailaya
1996 Pattern Recognition  
With the increasing popularity of the use of large-volume image databases in various applications, it becomes imperative to build an automatic and efficient retrieval system to browse through the entire  ...  This paper deals with efficient retrieval of images from large databases based on the color and shape content in images.  ...  Acknowledggments We would like to thank Chitra Dorai for implementing the front end to the branch and bound algorithm.  ... 
doi:10.1016/0031-3203(95)00160-3 fatcat:76pa3smuiffb5bga2rddjyhmpy

Matching age separated composite sketches and digital face images

Tarang Chugh, Himanshu S. Bhatt, Richa Singh, Mayank Vatsa
2013 2013 IEEE Sixth International Conference on Biometrics: Theory, Applications and Systems (BTAS)  
It extracts discriminative shape, orientation, and texture features from local regions of a face using image moments and histogram of oriented gradients.  ...  Matching sketches with digital face images is one of the highly sought face recognition applications.  ...  It utilizes the observation that information assimilated from the shape, orientation, and texture of local facial regions provides resilience for matching composite sketches with digital face images of  ... 
doi:10.1109/btas.2013.6712719 dblp:conf/btas/ChughBSV13 fatcat:ihixqznylnegjpjhnavchy7yea
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