December 2020
Beginner to intermediate
256 pages
5h 15m
Korean
Content preview from 안전한 인공지능 시스템을 위한 심층 신경망 강화
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77
4
장
이미지, 오디오, 영상을 처리하는 심층 신경망
그림
4-3
합성곱 필터를 이미지 전체에 반복적으로 적용
필터를 이미지의 작은 부분에 적용하면 이미지 부분이 특성 필터를 얼마나 정확하게 표현하는
지를 나타내는 숫자 점수를 생성합니다.
작동 원리를 더 쉽게 설명하기 위해 밝은 배경에 대비되는 어두운 수직선으로 표현한 간단한
3
×
3
특성 필터를 [그림
4
-
4
]에 보여줍니다. 즉 단순한 숫자 행렬이며 단색 이미지의 서로 다
른
3
×
3
픽셀 세그먼트
2
개에 적용된 예입니다. 특성 필터와 이미지 세그먼트 간에 요소별 곱
셈을 수행합니다. 이는 단순히 각 행렬값을 다른 행렬값에 곱해 새 행렬을 만드는 경우입니다.
결과 행렬에서 평균값을 계산합니다.
그림
4-4
서로 다른
2
개의 이미지 세그먼트에 적용한
3x3
필터
보다시피, 이미지 세그먼트
a
를 계산한 값
6
은 비교적 높기 때문에 이미지 세그먼트가 약간 수
필터
합성곱 실행
특성 필터
특성 필터
이미지 세그먼트
a
이미지 세그먼트
b
요소별 곱셈
요소별 곱셈
평균 =
6
(필터에 좋은 경우)
평균 = -
29
(필터에 좋지 않은 경우)
78
1
부
인공지능을 속이는 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.