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book
밑바닥부터 시작하는 딥러닝 5
by
사이토 고키
,
개앞맵시(이복연)
October 2024
Beginner to intermediate
340 pages
7h 38m
Korean
Hanbit Media, Inc.
Content preview from
밑바닥부터 시작하는 딥러닝 5
146
밑바닥부터 시작하는 딥러닝 5
[식
5
.
14
]에서
q
(
n
)
(
z
)
는
z
의 확률 분포입니다.
z
는
1
에서
K
까지 정수를 취하기 때문에
이 성립합니다.
z
에 대한 확률의 총합은
1
이기 때문입니다.
마지막으로 [식
5
.
13
]에
-
b
=
N
을 대입하여 다음 식을 얻습니다. 이로써 목적 함수인 [식
5
.
9
]
를 최대화하는 매개변수
도 구할 수 있게 되었습니다.
이상으로
GMM
에 대한
EM
알고리즘을 도출했습니다. 요약하면 다음과 같습니다.
E
-스텝
각
n
,
k
에 대해 다음 값을 계산합니다.
M
-스텝
각
k
에 대해 다음 값을 계산합니다.
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Publisher Resources
ISBN: 9791169212960