August 2024
Beginner to intermediate
640 pages
14h 53m
Korean
Content preview from AI를 위한 필수 수학
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205
Chapter 5 -
합성곱 신경망과 컴퓨터 비전
98
AlexNet
2012
:
https://oreil.ly/QxjXD
행하고 여러 층에 걸쳐 다양한 신경 연결을 만들게 된다. 그리고 이러한 연결이 인지 및 행동에
서 관찰되는 복잡성을 만들어내는 것이다.
합성곱 신경망은 사실 시각 대뇌피질
visual
neocortex
에서 영감을 받았다.
2012
년 이미지 분류에서
이뤄낸 큰 성공
98
이 인공지능을 다시 주류로 끌어올려 많은 사람들에게 영감을 주었고 지금에
이르게 했다. 관심이 있다면 시각 대뇌피질의 기능과 컴퓨터 비전을 위해 설계된 합성곱 신경
망의 유사성에 관한 책을 읽어보는 것도 좋다.
5.1
합성곱과 교차 상관관계
합성곱
convolution
연산과 교차 상관관계
cross
-
correlation
연산은 서로 약간 다른 연산으로, 특정 신호
에서 각기 다른 것을 측정한다. 여기서 신호는 디지털 이미지나 디지털 오디오 등이 될 수 있
다. 다만 필터
filter
나 커널
kernel
이라고 불리는 대칭 함수
k
를 사용하면 이 둘은 완전히 동일하다.
간단히 말해 합성곱 연산은 필터를 뒤집은 다음 대상 함수에 걸쳐 슬라이딩하는 반면 교차 상
관관계 연산은 필터를 뒤집지 않고 슬라이딩한다. 당연히 필터가 대칭적이라면 합성곱 연산과
교차 상관관계 연산은 정확히 동일하다. ...
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