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Adopting and Implementation of Decision Tree Classification Method for Image Interpolation

이미지 보간을 위한 의사결정나무 분류 기법의 적용 및 구현

  • 김동형 (한양여자대학교 컴퓨터정보과)
  • Received : 2019.12.10
  • Accepted : 2020.01.06
  • Published : 2020.03.30

Abstract

With the development of display hardware, image interpolation techniques have been used in various fields such as image zooming and medical imaging. Traditional image interpolation methods, such as bi-linear interpolation, bi-cubic interpolation and edge direction-based interpolation, perform interpolation in the spatial domain. Recently, interpolation techniques in the discrete cosine transform or wavelet domain are also proposed. Using these various existing interpolation methods and machine learning, we propose decision tree classification-based image interpolation methods. In other words, this paper is about the method of adaptively applying various existing interpolation methods, not the interpolation method itself. To obtain the decision model, we used Weka's J48 library with the C4.5 decision tree algorithm. The proposed method first constructs attribute set and select classes that means interpolation methods for classification model. And after training, interpolation is performed using different interpolation methods according to attributes characteristics. Simulation results show that the proposed method yields reasonable performance.

Keywords

References

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  1. 이미지 보간기법의 성능 개선을 위한 비국부평균 기반의 후처리 기법 vol.16, pp.3, 2020, https://doi.org/10.17662/ksdim.2020.16.3.049