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IEICE TRANSACTIONS on Information

Cross-Domain Deep Feature Combination for Bird Species Classification with Audio-Visual Data

Naranchimeg BOLD, Chao ZHANG, Takuya AKASHI

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Summary :

In recent decade, many state-of-the-art algorithms on image classification as well as audio classification have achieved noticeable successes with the development of deep convolutional neural network (CNN). However, most of the works only exploit single type of training data. In this paper, we present a study on classifying bird species by exploiting the combination of both visual (images) and audio (sounds) data using CNN, which has been sparsely treated so far. Specifically, we propose CNN-based multimodal learning models in three types of fusion strategies (early, middle, late) to settle the issues of combining training data cross domains. The advantage of our proposed method lies on the fact that we can utilize CNN not only to extract features from image and audio data (spectrogram) but also to combine the features across modalities. In the experiment, we train and evaluate the network structure on a comprehensive CUB-200-2011 standard data set combing our originally collected audio data set with respect to the data species. We observe that a model which utilizes the combination of both data outperforms models trained with only an either type of data. We also show that transfer learning can significantly increase the classification performance.

Publication
IEICE TRANSACTIONS on Information Vol.E102-D No.10 pp.2033-2042
Publication Date
2019/10/01
Publicized
2019/06/27
Online ISSN
1745-1361
DOI
10.1587/transinf.2018EDP7383
Type of Manuscript
PAPER
Category
Multimedia Pattern Processing

Authors

Naranchimeg BOLD
  Iwate University
Chao ZHANG
  University of Fukui
Takuya AKASHI
  Iwate University

Keyword