August 2024
Beginner to intermediate
640 pages
14h 53m
Korean
Content preview from AI를 위한 필수 수학
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215
Chapter 5 -
합성곱 신경망과 컴퓨터 비전
kxn xsksn x k nxknxk nxk n1 1 0 11 22
s
)
gg= += +- -++ + ++ ++
3
3
=-
Q Q QQ Q Q QQ QQ QQ
VV V V V VVVV VV V
/
, ,,
k x mn x m qn s k qs
sq
) = ++
3
3
3
3
=-=-
QQ Q Q
VV VV
//
k x xk xk
k x xk xk xk
k x xk xk xk
k x xk xk xk
k x xk xk
k x xk
k x xk4
3
2
1
0
1
2
0
03 4
02 3
012
00 1
0
3 41
2 12
1 12
012
2
2
40
)
)
)
)
)
)
)
-=
-= +
-= + +
= ++
=+
=
+
-=
+
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
V
V
V
V
V
V
V
V
V
V
V
V
V
V
x
(
n
)
과
k
(
n
)
을 구성하는 요소의 수는 무한하지 않으며 무한 영역에서의 합을 구하기 때문에
인덱스가 정의되지 않은 경우 그 값을
0
이라고 가정한다. 이렇게 합성곱 연산을 통해 나온 필
터링된 새로운 신호는 다음과 같은 인덱스에서만 의미 있는 값을 가질 것이다.
각 인덱스의 값이 어떻게 구성되어 있는지 살펴보자.
합성곱 연산은 신호
x
(
n
)
=
(
x
0
,
x
1
,
x
2
,
x
3
,
x
4
)
를 고정시키고 필터
k
(
n
)
=
(
k
0
,
k
1
,
k
2
)
를 오른쪽
에서 왼쪽으로 밀면 이해하기 쉽다. 이 과정은 선형 대수 표기법을 사용해 간단하게 요약할 수
있다. 입력 벡터
x
(
n
)
에 특수한 형태의 행렬인 퇴플리츠 행렬
Toeplitz
matrix
을 곱하는 것이다. 이
퇴플리츠 행렬에는 필터 가중치들이 포함되어 있다. 이와 관련된 내용은 나중에 ...
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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.