Turning wingbeat sounds into spectrum images for acoustic insect classification

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Abstract
A novel acoustic insect classifier on deep convolutional feature of frequency spectrum images generated by their wingbeat sounds is introduced. By visualising insect wingbeat sound, the proposed method is the first attempt to convert time‐series acoustic signal processing to image recognition, which has recently gained significant improvement with convolutional neural networks. Experiments show the better accuracy of the proposed method on the public UCR flying insect datasets compared with the state‐of‐the‐art methods.
Funding Information
  • National Natural Science Foundation of China (41401466)
  • Research Council of Finland (267581 and 298700)

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