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https://needjarvis.tistory.com/502[딥러닝/머신러닝] CNN(Convolutional Neural Networks) 쉽게 이해하기 | by banbanmoomani | Medium
https://halfundecided.medium.com/%EB%94%A5%EB%9F%AC%EB%8B%9D-%EB%A8%B8%EC%8B%A0%EB%9F%AC%EB%8B%9D-cnn-convolutional-neural-networks-%EC%89%BD%EA%B2%8C-%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0-836869f88375