Image Retrieval Framework Based on Dual Representation Descriptor

Yuichi YOSHIDA, Tsuyoshi TOYOFUKU

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Summary :

Descriptor aggregation techniques such as the Fisher vector and vector of locally aggregated descriptors (VLAD) are used in most image retrieval frameworks. It takes some time to extract local descriptors, and the geometric verification requires storage if a real-valued descriptor such as SIFT is used. Moreover, if we apply binary descriptors to such a framework, the performance of image retrieval is not better than if we use a real-valued descriptor. Our approach tackles these issues by using a dual representation descriptor that has advantages of being both a real-valued and a binary descriptor. The real value of the dual representation descriptor is aggregated into a VLAD in order to achieve high accuracy in the image retrieval, and the binary one is used to find correspondences in the geometric verification stage in order to reduce the amount of storage needed. We implemented a dual representation descriptor extracted in semi-real time by using the CARD descriptor. We evaluated the accuracy of our image retrieval framework including the geometric verification on three datasets (holidays, ukbench and Stanford mobile visual search). The results indicate that our framework is as accurate as the framework that uses SIFT. In addition, the experiments show that the image retrieval speed and storage requirements of our framework are as efficient as those of a framework that uses ORB.

Publication
IEICE TRANSACTIONS on Information Vol.E100-D No.10 pp.2605-2613
Publication Date
2017/10/01
Publicized
2017/07/06
Online ISSN
1745-1361
DOI
10.1587/transinf.2017EDP7050
Type of Manuscript
PAPER
Category
Image Processing and Video Processing

Authors

Yuichi YOSHIDA
  DENSO IT Laboratory, Inc.
Tsuyoshi TOYOFUKU
  DENSO IT Laboratory, Inc.

Keyword

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