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Author |
Jiaolong Xu; David Vazquez; Antonio Lopez; Javier Marin; Daniel Ponsa |
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Title |
Learning a Part-based Pedestrian Detector in Virtual World |
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Journal Article |
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Year |
2014 |
Publication |
IEEE Transactions on Intelligent Transportation Systems |
Abbreviated Journal |
TITS |
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Volume |
15 |
Issue |
5 |
Pages |
2121-2131 |
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Keywords |
Domain Adaptation; Pedestrian Detection; Virtual Worlds |
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Abstract |
Detecting pedestrians with on-board vision systems is of paramount interest for assisting drivers to prevent vehicle-to-pedestrian accidents. The core of a pedestrian detector is its classification module, which aims at deciding if a given image window contains a pedestrian. Given the difficulty of this task, many classifiers have been proposed during the last fifteen years. Among them, the so-called (deformable) part-based classifiers including multi-view modeling are usually top ranked in accuracy. Training such classifiers is not trivial since a proper aspect clustering and spatial part alignment of the pedestrian training samples are crucial for obtaining an accurate classifier. In this paper, first we perform automatic aspect clustering and part alignment by using virtual-world pedestrians, i.e., human annotations are not required. Second, we use a mixture-of-parts approach that allows part sharing among different aspects. Third, these proposals are integrated in a learning framework which also allows to incorporate real-world training data to perform domain adaptation between virtual- and real-world cameras. Overall, the obtained results on four popular on-board datasets show that our proposal clearly outperforms the state-of-the-art deformable part-based detector known as latent SVM. |
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1931-0587 |
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978-1-4673-2754-1 |
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ADAS; 600.076 |
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ADAS @ adas @ XVL2014 |
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2433 |
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Author |
Yunchao Gong; Svetlana Lazebnik; Albert Gordo; Florent Perronnin |
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Title |
Iterative quantization: A procrustean approach to learning binary codes for Large-Scale Image Retrieval |
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Journal Article |
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Year |
2012 |
Publication |
IEEE Transactions on Pattern Analysis and Machine Intelligence |
Abbreviated Journal |
TPAMI |
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35 |
Issue |
12 |
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2916-2929 |
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This paper addresses the problem of learning similarity-preserving binary codes for efficient similarity search in large-scale image collections. We formulate this problem in terms of finding a rotation of zero-centered data so as to minimize the quantization error of mapping this data to the vertices of a zero-centered binary hypercube, and propose a simple and efficient alternating minimization algorithm to accomplish this task. This algorithm, dubbed iterative quantization (ITQ), has connections to multi-class spectral clustering and to the orthogonal Procrustes problem, and it can be used both with unsupervised data embeddings such as PCA and supervised embeddings such as canonical correlation analysis (CCA). The resulting binary codes significantly outperform several other state-of-the-art methods. We also show that further performance improvements can result from transforming the data with a nonlinear kernel mapping prior to PCA or CCA. Finally, we demonstrate an application of ITQ to learning binary attributes or “classemes” on the ImageNet dataset. |
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0162-8828 |
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978-1-4577-0394-2 |
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DAG |
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Admin @ si @ GLG 2012b |
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2008 |
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Petia Radeva; Judit Martinez; A. Tovar; X. Binefa; Jordi Vitria; Juan J. Villanueva |
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Title |
CORKIDENT: an automatic vision system for real-time inspection of natural products. |
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1999 |
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OR;MILAB;MV |
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BCNPCL @ bcnpcl @ RMT1999 |
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23 |
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Author |
Maria Vanrell; Jordi Vitria; Xavier Roca |
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Title |
A multidimensional scaling approach to explore the behavior of a texture perception algorithm. |
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1997 |
Publication |
Machine Vision and Applications |
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9 |
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262–271 |
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OR;ISE;CIC;MV |
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BCNPCL @ bcnpcl @ VVR1997 |
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35 |
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Author |
Jordi Vitria; J. Llacer |
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Title |
Reconstructing 3D light microscopic images using the EM algorithm |
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Journal Article |
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1996 |
Publication |
Pattern Recognition Letters |
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17 |
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14 |
Pages |
1491–1498 |
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OR;MV |
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BCNPCL @ bcnpcl @ ViL1996 |
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74 |
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Author |
D. Seron; F. Moreso; C. Gratin; Jordi Vitria; E. Condom |
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Title |
Automated classification of renal interstitium and tubules by local texture analysis and a neural network |
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Journal Article |
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Year |
1996 |
Publication |
Analytical and Quantitative Cytology and Histology |
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18 |
Issue |
5 |
Pages |
410-9, PMID: 8908314 |
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OR;MV |
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BCNPCL @ bcnpcl @ SMG1996 |
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76 |
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Author |
Felipe Lumbreras; Joan Serrat |
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Title |
Wavelet filtering for the segmentation of marble images. |
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Journal Article |
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1996 |
Publication |
Optical Engineering |
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35 |
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10 |
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ADAS |
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ADAS @ adas @ LuS1996a |
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77 |
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Author |
Felipe Lumbreras; Joan Serrat |
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Title |
Segmentation of petrographical images of marbles |
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Journal Article |
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1996 |
Publication |
Computers and Geosciences |
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22 |
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5 |
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547–558 |
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ADAS |
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ADAS @ adas @ LuS1996b |
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82 |
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Author |
F. Moreso; D. Seron; Jordi Vitria; J.M. Grinyo; F.M. Colome-Serra; N. Pares; J.R. Serra |
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Title |
Quantification of Interstitial Chronic Renal Damage by means of Texture Analysis. |
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Journal Article |
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1994 |
Publication |
Kidney International |
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46 |
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6 |
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1721-1727 |
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OR;MV |
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BCNPCL @ bcnpcl @ MSV1994 |
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113 |
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Author |
A. Martinez; Jordi Vitria |
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Title |
A Development Plataform for Autonomous Agents. |
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Journal Article |
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1995 |
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ASI–AA–95 – Practice and Future of Autonomous Agents. |
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Monte Verita, Switzerland. |
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OR;MV |
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BCNPCL @ bcnpcl @ MaV1995b |
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123 |
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Author |
J. Mauri; E Fernandez-Nofrerias; A. Tovar; E. Martinez; L. Cano; V. Valle; David Rotger; Cristina Cañero; Petia Radeva |
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Title |
Ecografia Intracoronaria: Un Nou Pas, la Fusio de Imatges amb la Angiografia, el Software. |
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Journal Article |
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2001 |
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Revista de la Societat Catalana de Cardiologia, XIIIe Congres de la Societat Catalana de Cardiologia, 4(1):48. |
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MILAB |
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no |
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BCNPCL @ bcnpcl @ MFT2001 |
Serial |
136 |
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Author |
X. Binefa; Jordi Vitria; Xavier Roca |
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Title |
Deteccion de profundidad en imagenes monoculares mediante vision activa. |
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Journal Article |
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1993 |
Publication |
Revista de Optica Pura y Aplicada |
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26 |
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3 |
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636-648 |
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OR;ISE;MV |
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BCNPCL @ bcnpcl @ BVR1993 |
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144 |
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Author |
A. Pujol; Jordi Vitria; Felipe Lumbreras; Juan J. Villanueva |
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Title |
Topological principal component analysis for face encoding and recognition |
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Journal Article |
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2001 |
Publication |
Pattern Recognition Letters |
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PRL |
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22 |
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6-7 |
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769–776 |
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IF: 0.552 |
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ADAS;OR;MV |
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ADAS @ adas @ PVL2001 |
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155 |
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A.F. Sole; S. Ngan; G. Sapiro; X. Hu; Antonio Lopez |
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Title |
Anisotropic 2-D and 3-D Averaging of fMRI Signals |
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2001 |
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IEEE Transactions on Medical Imaging |
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2020 |
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2 |
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86-93 |
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ADAS |
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ADAS @ adas @ SNS2001 |
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165 |
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Author |
Jordi Vitria; X. Binefa; Juan J. Villanueva |
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Title |
Morphological Algorithms for Visual Analysis of Integrated Circuits. |
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Year |
1992 |
Publication |
Journal of Visual Communications and image Representation |
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3 |
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2 |
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194-202 |
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OR;MV |
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BCNPCL @ bcnpcl @ VBV1992 |
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248 |
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