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IEICE TRANSACTIONS on Information

LLC Revisit: Scene Classification with k-Farthest Neighbours

Katsuyuki TANAKA, Tetsuya TAKIGUCHI, Yasuo ARIKI

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Summary :

This paper introduces a simple but effective way to boost the performance of scene classification through a novel approach to the LLC coding process. In our proposed method, a local descriptor is encoded not only with k-nearest visual words but also with k-farthest visual words to produce more discriminative code. Since the proposed method is a simple modification of the image classification model, it can be easily integrated into various existing BoF models proposed in various areas, such as coding, pooling, to boost their scene classification performance. The results of experiments conducted with three scene datasets: 15-Scenes, MIT-Indoor67, and Sun367 show that adding k-farthest visual words better enhances scene classification performance than increasing the number of k-nearest visual words.

Publication
IEICE TRANSACTIONS on Information Vol.E99-D No.5 pp.1375-1383
Publication Date
2016/05/01
Publicized
2016/02/08
Online ISSN
1745-1361
DOI
10.1587/transinf.2015EDP7332
Type of Manuscript
PAPER
Category
Image Recognition, Computer Vision

Authors

Katsuyuki TANAKA
  Kobe University
Tetsuya TAKIGUCHI
  Kobe University
Yasuo ARIKI
  Kobe University

Keyword