Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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Implementation and Verification of Multi-level Convolutional Neural Network Algorithm for Identifying Unauthorized Image Files in the Military

국방분야 비인가 이미지 파일 탐지를 위한 다중 레벨 컨볼루션 신경망 알고리즘의 구현 및 검증

  • Kim, Youngsoo (Dept. of Computer & Information Engineering, Korea Air Force Academy)
  • Received : 2018.07.12
  • Accepted : 2018.07.24
  • Published : 2018.08.31
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Abstract

In this paper, we propose and implement a multi-level convolutional neural network (CNN) algorithm to identify the sexually explicit and lewdness of various image files, and verify its effectiveness by using unauthorized image files generated in the actual military. The proposed algorithm increases the accuracy by applying the convolutional artificial neural network step by step to minimize classification error between similar categories. Experimental data have categorized 20,005 images in the real field into 6 authorization categories and 11 non-authorization categories. Experimental results show that the overall detection rate is 99.51% for the image files. In particular, the excellence of the proposed algorithm is verified through reducing the identification error rate between similar categories by 64.87% compared with the general CNN algorithm.

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