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Learnable Descriptors for Visual Search

delete2021-01-01
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OA
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A
Andrea Migliorati *
A
Attilio Fiandrotti
G
Gianluca Francini
R
Riccardo Leonardi
DOI:10.1109/TIP.2020.3031216delete
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Abstract

Abstract

En 中文
This work proposes LDVS, a learnable binary local descriptor devised for matching natural images within the MPEG CDVS framework. LDVS descriptors are learned so that they can be sign-quantized and compared using the Hamming distance. The underlying convolutional architecture enjoys a moderate parameters count for operations on mobile devices. Our experiments show that LDVS descriptors perform favorably over comparable learned binary descriptors at patch matching on two different datasets. A complete pair-wise image matching pipeline is then designed around LDVS descriptors, integrating them in the reference CDVS evaluation framework. Experiments show that LDVS descriptors outperform the compressed CDVS SIFT-like descriptors at pair-wise image matching over the challenging CDVS image dataset.
Keywords:
Image coding
Standards
Transform coding
Image matching
Pipelines
Bit rate
Pair-wise image matching
patch matching
binary descriptors
convolutional neural networks
fully convolutional neural networks
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Journal

IEEE Transactions on Image Processing cover
IEEE Transactions on Image Processing
IF:
13.7
Papers:
1.0W
Citations:
8.4W

Organization

U
University of Turin
Scholars:
3.7W
Papers: 2.8W
Citations: 3.2W
P
Polytechnic University of Turin
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Papers: 1.3W
Citations: 1.3W
U
University of Brescia
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1.2W
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Citations: 1.3W
I
institut polytechnique de paris
Scholars:
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Papers: 1.0W
Citations: 6
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