| Records |
| Author |
Albert Gordo; Florent Perronnin; Yunchao Gong; Svetlana Lazebnik |
| Title |
Asymmetric Distances for Binary Embeddings |
Type |
Journal Article |
| Year |
2014 |
Publication |
IEEE Transactions on Pattern Analysis and Machine Intelligence |
Abbreviated Journal |
TPAMI |
| Volume |
36 |
Issue |
1 |
Pages |
33-47 |
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| Abstract |
In large-scale query-by-example retrieval, embedding image signatures in a binary space offers two benefits: data compression and search efficiency. While most embedding algorithms binarize both query and database signatures, it has been noted that this is not strictly a requirement. Indeed, asymmetric schemes which binarize the database signatures but not the query still enjoy the same two benefits but may provide superior accuracy. In this work, we propose two general asymmetric distances which are applicable to a wide variety of embedding techniques including Locality Sensitive Hashing (LSH), Locality Sensitive Binary Codes (LSBC), Spectral Hashing (SH), PCA Embedding (PCAE), PCA Embedding with random rotations (PCAE-RR), and PCA Embedding with iterative quantization (PCAE-ITQ). We experiment on four public benchmarks containing up to 1M images and show that the proposed asymmetric distances consistently lead to large improvements over the symmetric Hamming distance for all binary embedding techniques. |
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0162-8828 |
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DAG; 600.045; 605.203; 600.077 |
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no |
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Admin @ si @ GPG2014 |
Serial |
2272 |
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| Author |
Karla Lizbeth Caballero; Joel Barajas; Oriol Pujol; J. Mauri; Petia Radeva |
| Title |
Using Radio Frequency Reconstructed IVUS Images in Tissue Classification |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
Computers in Cardiology (CiC´06), 33: 533–536 |
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Valencia (Spain) |
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MILAB;HuPBA |
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no |
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BCNPCL @ bcnpcl @ CBP2006a |
Serial |
761 |
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| Author |
David Rotger; Petia Radeva; O. Rodriguez |
| Title |
Vessel Tortuosity Extraction from IVUS Images |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
Computers in Cardiology (CiC´06), 33: 689–692 |
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Valencia (Spain) |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ RRR2006 |
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762 |
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| Author |
Dani Rowe |
| Title |
Towards Robust Multiple-People Tracking in Unconstrained Environments |
Type |
Report |
| Year |
2007 |
Publication |
CVC Technical Report #100 |
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CVC (UAB) |
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no |
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Admin @ si @ Row2007 |
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765 |
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| Author |
Ellen J.L. Brunenberg; Oriol Pujol; Bart M. Ter Haar Romeny; Petia Radeva |
| Title |
Automatic IVUS Segmentation of Atherosclerotic Plaque with Stop & Go Snake |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
9th International Conference on Medical Image Computing and Computer–Assisted Intervention (MICCAI´06), 9–16 |
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Copenhagen (Denmark) |
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MILAB;HuPBA |
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no |
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BCNPCL @ bcnpcl @ BPT2006 |
Serial |
767 |
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| Author |
Joaquin Salas; P. Martinez; Jordi Gonzalez |
| Title |
Background Updating with the Use of Intrinsic Curves |
Type |
Book Chapter |
| Year |
2006 |
Publication |
International Conference on Image Analysis and Recognition (ICIAR´06), LNCS 4141 (A. Campilho et al., eds.), 1: 731–742, ISBN 978–3–540–44891–4 |
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no |
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ISE @ ise @ SMG2006 |
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768 |
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| Author |
Dani Rowe; I. Reid; Jordi Gonzalez; Juan J. Villanueva |
| Title |
Unconstrained Multiple-People Tracking |
Type |
Book Chapter |
| Year |
2006 |
Publication |
28th Annual Symposium of the German Association for Pattern Recognition, LNCS 4174: 505–514, ISBN 978–3–540–44412–1 |
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Berlin (Germany) |
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no |
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ISE @ ise @ RRG2006 |
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769 |
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| Author |
Ignasi Rius; J. Varona; Jordi Gonzalez; Juan J. Villanueva |
| Title |
Action Spaces for Efficient Bayesian Tracking of Human Motion |
Type |
Miscellaneous |
| Year |
2006 |
Publication |
International Conference on Pattern Recognition (ICPR´06), 1: 472–475 |
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Hong Kong (China) |
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no |
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ISE @ ise @ RVG2006 |
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770 |
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| Author |
F. Pla; Petia Radeva; Jordi Vitria |
| Title |
Pattern Recognition: Progress, Directions and Applications |
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2006 |
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84-933652-6-2 |
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OR;MILAB;MV |
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no |
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BCNPCL @ bcnpcl @ PRV2006b |
Serial |
771 |
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| Author |
Francisco Javier Orozco; F.A. Garcia; J.L. Arcos; Jordi Gonzalez |
| Title |
Spatio-Temporal Reasoning for Reliable Facial Expression Interpretation |
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Conference Article |
| Year |
2007 |
Publication |
Proceedings of the 5th International Conference on Computer Vision Systems |
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Bielefeld University (Germany) |
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ICVS |
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ISE |
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no |
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ISE @ ise @ OGA2007 |
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772 |
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| Author |
Francisco Javier Orozco; Jordi Gonzalez; Ignasi Rius; Xavier Roca |
| Title |
Hierarchical Eyelid and Face Tracking |
Type |
Book Chapter |
| Year |
2007 |
Publication |
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:499–506 |
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Girona (Spain) |
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ISE |
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no |
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ISE @ ise @ OGR2007 |
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773 |
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| Author |
Lubomir Latchev; Maya Dimitrova; David Rotger |
| Title |
A Classifier of Technical Diagnostic States of Electrocardiograph |
Type |
Miscellaneous |
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2006 |
Publication |
International Conference on Computer Systems and Technologies (CompSysTech´06), 15.1–15.6 |
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University of Veliko Tarnovo (Bulgaria) |
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no |
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Admin @ si @ LDR2006 |
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774 |
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| Author |
Alicia Fornes; Sergio Escalera; Josep Llados; Gemma Sanchez; Petia Radeva; Oriol Pujol |
| Title |
Handwritten Symbol Recognition by a Boosted Blurred Shape Model with Error Correction |
Type |
Book Chapter |
| Year |
2007 |
Publication |
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:13–21 |
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Girona (Spain) |
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MILAB;DAG;HUPBA |
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no |
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BCNPCL @ bcnpcl @ FEL2007a |
Serial |
775 |
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| Author |
Agnes Borras; Josep Llados |
| Title |
Similarity-Based Object Retrieval Using Appearance and Geometric Feature Combination |
Type |
Book Chapter |
| Year |
2007 |
Publication |
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4477:113–120 |
Abbreviated Journal |
LNCS |
| Volume |
4478 |
Issue |
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Pages |
33–39 |
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| Abstract |
This work presents a content-based image retrieval system of general purpose that deals with cluttered scenes containing a given query object. The system is flexible enough to handle with a single image of an object despite its rotation, translation and scale variations. The image content is divided in parts that are described with a combination of features based on geometrical and color properties. The idea behind the feature combination is to benefit from a fuzzy similarity computation that provides robustness and tolerance to the retrieval process. The features can be independently computed and the image parts can be easily indexed by using a table structure on every feature value. Finally a process inspired in the alignment strategies is used to check the coherence of the object parts found in a scene. Our work presents a system of easy implementation that uses an open set of features and can suit a wide variety of applications. |
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Girona (Spain) |
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978-3-540-72848-1 |
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DAG; |
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no |
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DAG @ dag @ BoL2007a; IAM @ iam @ BoL2007a |
Serial |
776 |
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| Author |
Jose Antonio Rodriguez; Gemma Sanchez; Josep Llados |
| Title |
Rejection strategies involving classifier combination for handwriting recognition |
Type |
Book Chapter |
| Year |
2007 |
Publication |
3rd Iberian Conference on Pattern Recognition and Image Analysis (IbPRIA 2007), J. Marti et al. (Eds.) LNCS 4478:97–104 |
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Girona (Spain) |
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DAG |
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no |
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DAG @ dag @ RSL2007a |
Serial |
777 |
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